Add Qt3 development HEAD version

178 files changed, 2200 insertions, 0 deletions

diff --git a/examples/demo/qasteroids/bg.png b/examples/demo/qasteroids/bg.png
new file mode 100644
index 0000000..33cdc48
--- /dev/null
+++ b/examples/demo/qasteroids/bg.png
diff --git a/examples/demo/qasteroids/ledmeter.cpp b/examples/demo/qasteroids/ledmeter.cpp
new file mode 100644
index 0000000..d2113a8
--- /dev/null
+++ b/examples/demo/qasteroids/ledmeter.cpp
@@ -0,0 +1,117 @@
+/*
+ * KAsteroids - Copyright (c) Martin R. Jones 1997
+ *
+ * Part of the KDE project
+ */
+
+#include <qpainter.h>
+#include "ledmeter.h"
+
+KALedMeter::KALedMeter( QWidget *parent ) : QFrame( parent )
+{
+    mCRanges.setAutoDelete( TRUE );
+    mRange = 100;
+    mCount = 20;
+    mCurrentCount = 0;
+    mValue = 0;
+    setMinimumWidth( mCount * 2 + frameWidth() );
+}
+
+void KALedMeter::setRange( int r )
+{
+    mRange = r;
+    if ( mRange < 1 )
+        mRange = 1;
+    setValue( mValue );
+    update();
+}
+
+void KALedMeter::setCount( int c )
+{
+    mCount = c;
+    if ( mCount < 1 )
+        mCount = 1;
+    setMinimumWidth( mCount * 2 + frameWidth() );
+    calcColorRanges();
+    setValue( mValue );
+    update();
+}
+
+void KALedMeter::setValue( int v )
+{
+    mValue = v;
+    if ( mValue > mRange )
+        mValue = mRange;
+    else if ( mValue < 0 )
+        mValue = 0;
+    int c = ( mValue + mRange / mCount - 1 ) * mCount / mRange;
+    if ( c != mCurrentCount )
+    {
+        mCurrentCount = c;
+        update();
+    }
+}
+
+void KALedMeter::addColorRange( int pc, const QColor &c )
+{
+    ColorRange *cr = new ColorRange;
+    cr->mPc = pc;
+    cr->mColor = c;
+    mCRanges.append( cr );
+    calcColorRanges();
+}
+
+void KALedMeter::resizeEvent( QResizeEvent *e )
+{
+    QFrame::resizeEvent( e );
+    int w = ( width() - frameWidth() - 2 ) / mCount * mCount;
+    w += frameWidth() + 2;
+    setFrameRect( QRect( 0, 0, w, height() ) );
+}
+
+void KALedMeter::drawContents( QPainter *p )
+{
+    QRect b = contentsRect();
+
+    unsigned cidx = 0;
+    int ncol = mCount;
+    QColor col = colorGroup().foreground();
+   
+    if ( !mCRanges.isEmpty() )
+    {
+        col = mCRanges.at( cidx )->mColor;
+        ncol = mCRanges.at( cidx )->mValue;
+    }
+    p->setBrush( col );
+    p->setPen( col );
+
+    int lw = b.width() / mCount;
+    int lx = b.left() + 1;
+    for ( int i = 0; i < mCurrentCount; i++, lx += lw )
+    {
+        if ( i > ncol )
+        {
+            if ( ++cidx < mCRanges.count() )
+            {
+                col = mCRanges.at( cidx )->mColor;
+                ncol = mCRanges.at( cidx )->mValue;
+                p->setBrush( col );
+                p->setPen( col );
+            }
+        }
+
+        p->drawRect( lx, b.top() + 1, lw - 1, b.height() - 2 );
+    }
+}
+
+void KALedMeter::calcColorRanges()
+{
+    int prev = 0;
+    ColorRange *cr;
+    for ( cr = mCRanges.first(); cr; cr = mCRanges.next() )
+    {
+        cr->mValue = prev + cr->mPc * mCount / 100;
+        prev = cr->mValue;
+    }
+}
+
diff --git a/examples/demo/qasteroids/ledmeter.h b/examples/demo/qasteroids/ledmeter.h
new file mode 100644
index 0000000..d0f2091
--- /dev/null
+++ b/examples/demo/qasteroids/ledmeter.h
@@ -0,0 +1,53 @@
+/*
+ * KAsteroids - Copyright (c) Martin R. Jones 1997
+ *
+ * Part of the KDE project
+ */
+
+#ifndef __LEDMETER_H__
+#define __LEDMETER_H__
+
+#include <qframe.h>
+#include <qptrlist.h>
+
+
+class KALedMeter : public QFrame
+{
+    Q_OBJECT
+public:
+    KALedMeter( QWidget *parent );
+
+    int range() const { return mRange; }
+    void setRange( int r );
+
+    int count() const { return mCount; }
+    void setCount( int c );
+
+    int value () const { return mValue; }
+
+    void addColorRange( int pc, const QColor &c );
+
+public slots:
+    void setValue( int v );
+
+protected:
+    virtual void resizeEvent( QResizeEvent * );
+    virtual void drawContents( QPainter * );
+    void calcColorRanges();
+
+protected:
+    struct ColorRange
+    {
+	int mPc;
+	int mValue;
+	QColor mColor;
+    };
+
+    int mRange;
+    int mCount;
+    int mCurrentCount;
+    int mValue;
+    QPtrList<ColorRange> mCRanges;
+};
+
+#endif
diff --git a/examples/demo/qasteroids/sounds/Explosion.wav b/examples/demo/qasteroids/sounds/Explosion.wav
new file mode 100644
index 0000000..7b140b1
--- /dev/null
+++ b/examples/demo/qasteroids/sounds/Explosion.wav
diff --git a/examples/demo/qasteroids/sprites.h b/examples/demo/qasteroids/sprites.h
new file mode 100644
index 0000000..0b0a718
--- /dev/null
+++ b/examples/demo/qasteroids/sprites.h
@@ -0,0 +1,129 @@
+/*
+ * KAsteroids - Copyright (c) Martin R. Jones 1997
+ *
+ * Part of the KDE project
+ */
+
+#ifndef __SPRITES_H__
+#define __SPRITES_H__
+
+#include <qcanvas.h>
+
+#define ID_ROCK_LARGE           1024
+#define ID_ROCK_MEDIUM          1025
+#define ID_ROCK_SMALL           1026
+
+#define ID_MISSILE              1030
+
+#define ID_BIT                  1040
+#define ID_EXHAUST              1041
+
+#define ID_ENERGY_POWERUP       1310
+#define ID_TELEPORT_POWERUP     1311
+#define ID_BRAKE_POWERUP        1312
+#define ID_SHIELD_POWERUP       1313
+#define ID_SHOOT_POWERUP        1314
+
+#define ID_SHIP                 1350
+#define ID_SHIELD               1351
+
+#define MAX_SHIELD_AGE          350
+#define MAX_POWERUP_AGE         500
+#define MAX_MISSILE_AGE         40
+
+class KMissile : public QCanvasSprite
+{
+public:
+    KMissile( QCanvasPixmapArray *s, QCanvas *c ) : QCanvasSprite( s, c )
+        { myAge = 0; }
+
+    virtual int rtti() const { return ID_MISSILE; }
+
+    void growOlder() { myAge++; }
+    bool expired() { return myAge > MAX_MISSILE_AGE; }
+
+private:
+    int myAge;
+};
+
+class KBit : public QCanvasSprite
+{
+public:
+    KBit( QCanvasPixmapArray *s, QCanvas *c ) : QCanvasSprite( s, c )
+	{  death = 7; }
+
+    virtual int rtti() const {  return ID_BIT; }
+
+    void setDeath( int d ) { death = d; }
+    void growOlder() { death--; }
+    bool expired() { return death <= 0; }
+
+private:
+    int death;
+};
+
+class KExhaust : public QCanvasSprite
+{
+public:
+    KExhaust( QCanvasPixmapArray *s, QCanvas *c ) : QCanvasSprite( s, c )
+	{  death = 1; }
+
+    virtual int rtti() const {  return ID_EXHAUST; }
+
+    void setDeath( int d ) { death = d; }
+    void growOlder() { death--; }
+    bool expired() { return death <= 0; }
+
+private:
+    int death;
+};
+
+class KPowerup : public QCanvasSprite
+{
+public:
+  KPowerup( QCanvasPixmapArray *s, QCanvas *c, int t ) : QCanvasSprite( s, c ),
+        myAge( 0 ), type(t) { }
+
+  virtual int rtti() const { return type; }
+
+  void growOlder() { myAge++; }
+  bool expired() const { return myAge > MAX_POWERUP_AGE; }
+
+protected:
+  int myAge;
+  int type;
+};
+
+class KRock : public QCanvasSprite
+{
+public:
+    KRock (QCanvasPixmapArray *s, QCanvas *c, int t, int sk, int st) : QCanvasSprite( s, c )
+        { type = t; skip = cskip = sk; step = st; }
+
+    void nextFrame()
+	{
+	    if (cskip-- <= 0) {
+		setFrame( (frame()+step+frameCount())%frameCount() );
+		cskip = QABS(skip);
+	    }
+	}
+
+    virtual int rtti() const { return type; }
+
+private:
+    int type;
+    int skip;
+    int cskip;
+    int step;
+};
+
+class KShield : public QCanvasSprite
+{
+public:
+  KShield( QCanvasPixmapArray *s, QCanvas *c )
+      : QCanvasSprite( s, c ) {}
+
+  virtual int rtti() const { return ID_SHIELD; }
+};
+
+#endif
diff --git a/examples/demo/qasteroids/sprites/.pbm b/examples/demo/qasteroids/sprites/.pbm
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/.pbm
diff --git a/examples/demo/qasteroids/sprites/bits/bits.ini b/examples/demo/qasteroids/sprites/bits/bits.ini
new file mode 100644
index 0000000..cb2976f
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits.ini
@@ -0,0 +1,9 @@
+Cyclic_Animation=On
+Width=12
+Height=12
+Final_frame=16 ;; NR_ROTS
+Antialias=On
+Output_Alpha=On
+Output_to_File=On
+Output_File_Type=n
+Input_File_Name=bits.pov
diff --git a/examples/demo/qasteroids/sprites/bits/bits.pov b/examples/demo/qasteroids/sprites/bits/bits.pov
new file mode 100644
index 0000000..9be7ccb
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits.pov
@@ -0,0 +1,31 @@
+
+#version 3.0
+global_settings { assumed_gamma 2.0 }
+
+#include "colors.inc"
+#include "textures.inc"
+#include "metals.inc"
+
+camera {
+  location <15, -15, -100>
+  look_at <0, 0, 0>
+}
+
+light_source { <50, 50, -50> colour White }
+light_source { <0, 0, -50> colour White }
+
+prism {
+    linear_sweep
+    linear_spline
+    0,
+    0.2,
+    5,
+    <2, 0>, <0, 2>, <-1, 1>, <0, -3>, <2, 0>
+    texture { T_Silver_2A }
+
+    rotate <360*clock, 50, 30>
+    scale <20, 20, 20>
+}
+
+
+
diff --git a/examples/demo/qasteroids/sprites/bits/bits0000.png b/examples/demo/qasteroids/sprites/bits/bits0000.png
new file mode 100644
index 0000000..5ec9d02
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0000.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0001.png b/examples/demo/qasteroids/sprites/bits/bits0001.png
new file mode 100644
index 0000000..07b4012
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0001.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0002.png b/examples/demo/qasteroids/sprites/bits/bits0002.png
new file mode 100644
index 0000000..8333792
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0002.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0003.png b/examples/demo/qasteroids/sprites/bits/bits0003.png
new file mode 100644
index 0000000..9f1fc02
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0003.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0004.png b/examples/demo/qasteroids/sprites/bits/bits0004.png
new file mode 100644
index 0000000..eb1cc09
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0004.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0005.png b/examples/demo/qasteroids/sprites/bits/bits0005.png
new file mode 100644
index 0000000..149be63
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0005.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0006.png b/examples/demo/qasteroids/sprites/bits/bits0006.png
new file mode 100644
index 0000000..4ac75c8
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0006.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0007.png b/examples/demo/qasteroids/sprites/bits/bits0007.png
new file mode 100644
index 0000000..907241d
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0007.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0008.png b/examples/demo/qasteroids/sprites/bits/bits0008.png
new file mode 100644
index 0000000..1533268
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0008.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0009.png b/examples/demo/qasteroids/sprites/bits/bits0009.png
new file mode 100644
index 0000000..05402ba
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0009.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0010.png b/examples/demo/qasteroids/sprites/bits/bits0010.png
new file mode 100644
index 0000000..ca4f229
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0010.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0011.png b/examples/demo/qasteroids/sprites/bits/bits0011.png
new file mode 100644
index 0000000..91913c0
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0011.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0012.png b/examples/demo/qasteroids/sprites/bits/bits0012.png
new file mode 100644
index 0000000..e55d439
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0012.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0013.png b/examples/demo/qasteroids/sprites/bits/bits0013.png
new file mode 100644
index 0000000..9c73436
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0013.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0014.png b/examples/demo/qasteroids/sprites/bits/bits0014.png
new file mode 100644
index 0000000..f0463a2
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0014.png
diff --git a/examples/demo/qasteroids/sprites/bits/bits0015.png b/examples/demo/qasteroids/sprites/bits/bits0015.png
new file mode 100644
index 0000000..bce35aa
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/bits/bits0015.png
diff --git a/examples/demo/qasteroids/sprites/exhaust/exhaust.png b/examples/demo/qasteroids/sprites/exhaust/exhaust.png
new file mode 100644
index 0000000..a17ee71
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/exhaust/exhaust.png
diff --git a/examples/demo/qasteroids/sprites/missile/missile.png b/examples/demo/qasteroids/sprites/missile/missile.png
new file mode 100644
index 0000000..4283c67
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/missile/missile.png
diff --git a/examples/demo/qasteroids/sprites/powerups/brake.png b/examples/demo/qasteroids/sprites/powerups/brake.png
new file mode 100644
index 0000000..75cd649
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/powerups/brake.png
diff --git a/examples/demo/qasteroids/sprites/powerups/energy.png b/examples/demo/qasteroids/sprites/powerups/energy.png
new file mode 100644
index 0000000..2d97ac1
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/powerups/energy.png
diff --git a/examples/demo/qasteroids/sprites/powerups/shield.png b/examples/demo/qasteroids/sprites/powerups/shield.png
new file mode 100644
index 0000000..bd60555
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/powerups/shield.png
diff --git a/examples/demo/qasteroids/sprites/powerups/shoot.png b/examples/demo/qasteroids/sprites/powerups/shoot.png
new file mode 100644
index 0000000..4b2b3e3
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/powerups/shoot.png
diff --git a/examples/demo/qasteroids/sprites/powerups/teleport.png b/examples/demo/qasteroids/sprites/powerups/teleport.png
new file mode 100644
index 0000000..121ec9c
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/powerups/teleport.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock1.ini b/examples/demo/qasteroids/sprites/rock1/rock1.ini
new file mode 100644
index 0000000..e42fc76
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock1.ini
@@ -0,0 +1,9 @@
+Cyclic_Animation=On
+Width=48
+Height=48
+Final_frame=32 ;; NR_ROTS
+Antialias=On
+Output_Alpha=On
+Output_to_File=On
+Output_File_Type=n
+Input_File_Name=rock1.pov
diff --git a/examples/demo/qasteroids/sprites/rock1/rock1.pov b/examples/demo/qasteroids/sprites/rock1/rock1.pov
new file mode 100644
index 0000000..58298c0
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock1.pov
@@ -0,0 +1,26 @@
+#include "colors.inc"
+#include "shapes.inc"
+#include "textures.inc"
+// #include "stones.inc"
+
+camera {
+	location        <2,2,-6>
+	up              <0, 1, 0>
+//	right           <4/3, 0, 0>
+	look_at         <0,0,0>
+}
+
+object { light_source { <10, 5, -5>  color red 1.1 green 1.1 blue 1.0 } }
+
+#declare Rock =
+mesh {
+ #include "rock.inc"   /* collection of triangle or smooth_triangle data */
+}
+
+object {
+  Rock
+  texture {  pigment {White}  }
+  scale 1.9
+  rotate <60, 45, 360*clock>
+}
+
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10000.png b/examples/demo/qasteroids/sprites/rock1/rock10000.png
new file mode 100644
index 0000000..2e3ff93
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10000.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10001.png b/examples/demo/qasteroids/sprites/rock1/rock10001.png
new file mode 100644
index 0000000..ba70d24
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10001.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10002.png b/examples/demo/qasteroids/sprites/rock1/rock10002.png
new file mode 100644
index 0000000..88d776e
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10002.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10003.png b/examples/demo/qasteroids/sprites/rock1/rock10003.png
new file mode 100644
index 0000000..9db197d
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10003.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10004.png b/examples/demo/qasteroids/sprites/rock1/rock10004.png
new file mode 100644
index 0000000..9b92d55
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10004.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10005.png b/examples/demo/qasteroids/sprites/rock1/rock10005.png
new file mode 100644
index 0000000..9cdddf5
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10005.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10006.png b/examples/demo/qasteroids/sprites/rock1/rock10006.png
new file mode 100644
index 0000000..0c421a0
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10006.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10007.png b/examples/demo/qasteroids/sprites/rock1/rock10007.png
new file mode 100644
index 0000000..2339c83
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10007.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10008.png b/examples/demo/qasteroids/sprites/rock1/rock10008.png
new file mode 100644
index 0000000..d1eb8aa
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10008.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10009.png b/examples/demo/qasteroids/sprites/rock1/rock10009.png
new file mode 100644
index 0000000..47ada42
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10009.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10010.png b/examples/demo/qasteroids/sprites/rock1/rock10010.png
new file mode 100644
index 0000000..1a2eba0
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10010.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10011.png b/examples/demo/qasteroids/sprites/rock1/rock10011.png
new file mode 100644
index 0000000..ec213e1
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10011.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10012.png b/examples/demo/qasteroids/sprites/rock1/rock10012.png
new file mode 100644
index 0000000..3bdb39b
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10012.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10013.png b/examples/demo/qasteroids/sprites/rock1/rock10013.png
new file mode 100644
index 0000000..08de9a0
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10013.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10014.png b/examples/demo/qasteroids/sprites/rock1/rock10014.png
new file mode 100644
index 0000000..3b6ce60
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10014.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10015.png b/examples/demo/qasteroids/sprites/rock1/rock10015.png
new file mode 100644
index 0000000..01216dc
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10015.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10016.png b/examples/demo/qasteroids/sprites/rock1/rock10016.png
new file mode 100644
index 0000000..efb612d
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10016.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10017.png b/examples/demo/qasteroids/sprites/rock1/rock10017.png
new file mode 100644
index 0000000..97bbfce
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10017.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10018.png b/examples/demo/qasteroids/sprites/rock1/rock10018.png
new file mode 100644
index 0000000..2986267
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10018.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10019.png b/examples/demo/qasteroids/sprites/rock1/rock10019.png
new file mode 100644
index 0000000..80eab6d
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10019.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10020.png b/examples/demo/qasteroids/sprites/rock1/rock10020.png
new file mode 100644
index 0000000..78023e0
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10020.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10021.png b/examples/demo/qasteroids/sprites/rock1/rock10021.png
new file mode 100644
index 0000000..076a338
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10021.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10022.png b/examples/demo/qasteroids/sprites/rock1/rock10022.png
new file mode 100644
index 0000000..4f8f5ed
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10022.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10023.png b/examples/demo/qasteroids/sprites/rock1/rock10023.png
new file mode 100644
index 0000000..4e6ba04
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10023.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10024.png b/examples/demo/qasteroids/sprites/rock1/rock10024.png
new file mode 100644
index 0000000..1a15fc3
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10024.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10025.png b/examples/demo/qasteroids/sprites/rock1/rock10025.png
new file mode 100644
index 0000000..b627d53
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10025.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10026.png b/examples/demo/qasteroids/sprites/rock1/rock10026.png
new file mode 100644
index 0000000..7df23b1
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10026.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10027.png b/examples/demo/qasteroids/sprites/rock1/rock10027.png
new file mode 100644
index 0000000..d2cb5d3
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10027.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10028.png b/examples/demo/qasteroids/sprites/rock1/rock10028.png
new file mode 100644
index 0000000..68611a6
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10028.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10029.png b/examples/demo/qasteroids/sprites/rock1/rock10029.png
new file mode 100644
index 0000000..44d6a30
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10029.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10030.png b/examples/demo/qasteroids/sprites/rock1/rock10030.png
new file mode 100644
index 0000000..9dca7db
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10030.png
diff --git a/examples/demo/qasteroids/sprites/rock1/rock10031.png b/examples/demo/qasteroids/sprites/rock1/rock10031.png
new file mode 100644
index 0000000..10beae6
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock1/rock10031.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock2.ini b/examples/demo/qasteroids/sprites/rock2/rock2.ini
new file mode 100644
index 0000000..d50e6fa
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock2.ini
@@ -0,0 +1,9 @@
+Cyclic_Animation=On
+Width=32
+Height=32
+Final_frame=32 ;; NR_ROTS
+Antialias=On
+Output_Alpha=On
+Output_to_File=On
+Output_File_Type=n
+Input_File_Name=rock2.pov
diff --git a/examples/demo/qasteroids/sprites/rock2/rock2.pov b/examples/demo/qasteroids/sprites/rock2/rock2.pov
new file mode 100644
index 0000000..2f37a20
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock2.pov
@@ -0,0 +1,26 @@
+#include "colors.inc"
+#include "shapes.inc"
+#include "textures.inc"
+// #include "stones.inc"
+
+camera {
+	location        <2,2,-6>
+	up              <0, 1, 0>
+//	right           <4/3, 0, 0>
+	look_at         <0,0,0>
+}
+
+object { light_source { <10, 5, -5>  color red 1.1 green 1.1 blue 1.0 } }
+
+#declare Rock =
+mesh {
+ #include "rock.inc"   /* collection of triangle or smooth_triangle data */
+}
+
+object {
+  Rock
+  texture {  pigment {White}  }
+  scale 1.9
+  rotate <60, 30, 360*clock>
+}
+
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20000.png b/examples/demo/qasteroids/sprites/rock2/rock20000.png
new file mode 100644
index 0000000..5cb52bb
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20000.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20001.png b/examples/demo/qasteroids/sprites/rock2/rock20001.png
new file mode 100644
index 0000000..c4c85eb
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20001.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20002.png b/examples/demo/qasteroids/sprites/rock2/rock20002.png
new file mode 100644
index 0000000..dea49d7
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20002.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20003.png b/examples/demo/qasteroids/sprites/rock2/rock20003.png
new file mode 100644
index 0000000..39772b8
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20003.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20004.png b/examples/demo/qasteroids/sprites/rock2/rock20004.png
new file mode 100644
index 0000000..fb02ee4
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20004.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20005.png b/examples/demo/qasteroids/sprites/rock2/rock20005.png
new file mode 100644
index 0000000..a81c5ac
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20005.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20006.png b/examples/demo/qasteroids/sprites/rock2/rock20006.png
new file mode 100644
index 0000000..cf5c2f4
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20006.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20007.png b/examples/demo/qasteroids/sprites/rock2/rock20007.png
new file mode 100644
index 0000000..479c21d
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20007.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20008.png b/examples/demo/qasteroids/sprites/rock2/rock20008.png
new file mode 100644
index 0000000..871abca
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20008.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20009.png b/examples/demo/qasteroids/sprites/rock2/rock20009.png
new file mode 100644
index 0000000..d5d7860
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20009.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20010.png b/examples/demo/qasteroids/sprites/rock2/rock20010.png
new file mode 100644
index 0000000..1da9953
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20010.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20011.png b/examples/demo/qasteroids/sprites/rock2/rock20011.png
new file mode 100644
index 0000000..2988658
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20011.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20012.png b/examples/demo/qasteroids/sprites/rock2/rock20012.png
new file mode 100644
index 0000000..d104ff9
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20012.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20013.png b/examples/demo/qasteroids/sprites/rock2/rock20013.png
new file mode 100644
index 0000000..e12943d
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20013.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20014.png b/examples/demo/qasteroids/sprites/rock2/rock20014.png
new file mode 100644
index 0000000..dc7529c
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20014.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20015.png b/examples/demo/qasteroids/sprites/rock2/rock20015.png
new file mode 100644
index 0000000..3d9d318
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20015.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20016.png b/examples/demo/qasteroids/sprites/rock2/rock20016.png
new file mode 100644
index 0000000..6314f03
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20016.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20017.png b/examples/demo/qasteroids/sprites/rock2/rock20017.png
new file mode 100644
index 0000000..5a8aeef
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20017.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20018.png b/examples/demo/qasteroids/sprites/rock2/rock20018.png
new file mode 100644
index 0000000..f0e5b08
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20018.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20019.png b/examples/demo/qasteroids/sprites/rock2/rock20019.png
new file mode 100644
index 0000000..d731950
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20019.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20020.png b/examples/demo/qasteroids/sprites/rock2/rock20020.png
new file mode 100644
index 0000000..8bc7e20
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20020.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20021.png b/examples/demo/qasteroids/sprites/rock2/rock20021.png
new file mode 100644
index 0000000..b2854b2
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20021.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20022.png b/examples/demo/qasteroids/sprites/rock2/rock20022.png
new file mode 100644
index 0000000..781d620
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20022.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20023.png b/examples/demo/qasteroids/sprites/rock2/rock20023.png
new file mode 100644
index 0000000..1f64b02
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20023.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20024.png b/examples/demo/qasteroids/sprites/rock2/rock20024.png
new file mode 100644
index 0000000..bd19e74
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20024.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20025.png b/examples/demo/qasteroids/sprites/rock2/rock20025.png
new file mode 100644
index 0000000..180f5b6
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20025.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20026.png b/examples/demo/qasteroids/sprites/rock2/rock20026.png
new file mode 100644
index 0000000..f2681d4
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20026.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20027.png b/examples/demo/qasteroids/sprites/rock2/rock20027.png
new file mode 100644
index 0000000..5bc1add
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20027.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20028.png b/examples/demo/qasteroids/sprites/rock2/rock20028.png
new file mode 100644
index 0000000..5621b4d
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20028.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20029.png b/examples/demo/qasteroids/sprites/rock2/rock20029.png
new file mode 100644
index 0000000..aec4a34
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20029.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20030.png b/examples/demo/qasteroids/sprites/rock2/rock20030.png
new file mode 100644
index 0000000..121b70e
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20030.png
diff --git a/examples/demo/qasteroids/sprites/rock2/rock20031.png b/examples/demo/qasteroids/sprites/rock2/rock20031.png
new file mode 100644
index 0000000..661b18e
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock2/rock20031.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock3.ini b/examples/demo/qasteroids/sprites/rock3/rock3.ini
new file mode 100644
index 0000000..26a3cf9
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock3.ini
@@ -0,0 +1,9 @@
+Cyclic_Animation=On
+Width=20
+Height=20
+Final_frame=32 ;; NR_ROTS
+Antialias=On
+Output_Alpha=On
+Output_to_File=On
+Output_File_Type=n
+Input_File_Name=rock3.pov
diff --git a/examples/demo/qasteroids/sprites/rock3/rock3.pov b/examples/demo/qasteroids/sprites/rock3/rock3.pov
new file mode 100644
index 0000000..2f37a20
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock3.pov
@@ -0,0 +1,26 @@
+#include "colors.inc"
+#include "shapes.inc"
+#include "textures.inc"
+// #include "stones.inc"
+
+camera {
+	location        <2,2,-6>
+	up              <0, 1, 0>
+//	right           <4/3, 0, 0>
+	look_at         <0,0,0>
+}
+
+object { light_source { <10, 5, -5>  color red 1.1 green 1.1 blue 1.0 } }
+
+#declare Rock =
+mesh {
+ #include "rock.inc"   /* collection of triangle or smooth_triangle data */
+}
+
+object {
+  Rock
+  texture {  pigment {White}  }
+  scale 1.9
+  rotate <60, 30, 360*clock>
+}
+
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30000.png b/examples/demo/qasteroids/sprites/rock3/rock30000.png
new file mode 100644
index 0000000..de1205a
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30000.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30001.png b/examples/demo/qasteroids/sprites/rock3/rock30001.png
new file mode 100644
index 0000000..12ebc00
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30001.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30002.png b/examples/demo/qasteroids/sprites/rock3/rock30002.png
new file mode 100644
index 0000000..265c381
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30002.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30003.png b/examples/demo/qasteroids/sprites/rock3/rock30003.png
new file mode 100644
index 0000000..1ff7a06
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30003.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30004.png b/examples/demo/qasteroids/sprites/rock3/rock30004.png
new file mode 100644
index 0000000..5b505bf
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30004.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30005.png b/examples/demo/qasteroids/sprites/rock3/rock30005.png
new file mode 100644
index 0000000..204c969
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30005.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30006.png b/examples/demo/qasteroids/sprites/rock3/rock30006.png
new file mode 100644
index 0000000..32140cf
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30006.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30007.png b/examples/demo/qasteroids/sprites/rock3/rock30007.png
new file mode 100644
index 0000000..f01baa6
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30007.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30008.png b/examples/demo/qasteroids/sprites/rock3/rock30008.png
new file mode 100644
index 0000000..eee458e
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30008.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30009.png b/examples/demo/qasteroids/sprites/rock3/rock30009.png
new file mode 100644
index 0000000..14412d4
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30009.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30010.png b/examples/demo/qasteroids/sprites/rock3/rock30010.png
new file mode 100644
index 0000000..bb61d54
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30010.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30011.png b/examples/demo/qasteroids/sprites/rock3/rock30011.png
new file mode 100644
index 0000000..8486e5a
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30011.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30012.png b/examples/demo/qasteroids/sprites/rock3/rock30012.png
new file mode 100644
index 0000000..d9ae419
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30012.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30013.png b/examples/demo/qasteroids/sprites/rock3/rock30013.png
new file mode 100644
index 0000000..ce69400
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30013.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30014.png b/examples/demo/qasteroids/sprites/rock3/rock30014.png
new file mode 100644
index 0000000..981e92c
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30014.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30015.png b/examples/demo/qasteroids/sprites/rock3/rock30015.png
new file mode 100644
index 0000000..63f0a69
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30015.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30016.png b/examples/demo/qasteroids/sprites/rock3/rock30016.png
new file mode 100644
index 0000000..72bc42f
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30016.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30017.png b/examples/demo/qasteroids/sprites/rock3/rock30017.png
new file mode 100644
index 0000000..c89f358
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30017.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30018.png b/examples/demo/qasteroids/sprites/rock3/rock30018.png
new file mode 100644
index 0000000..e1ba724
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30018.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30019.png b/examples/demo/qasteroids/sprites/rock3/rock30019.png
new file mode 100644
index 0000000..5f004a7
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30019.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30020.png b/examples/demo/qasteroids/sprites/rock3/rock30020.png
new file mode 100644
index 0000000..58009bf
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30020.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30021.png b/examples/demo/qasteroids/sprites/rock3/rock30021.png
new file mode 100644
index 0000000..8d9549c
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30021.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30022.png b/examples/demo/qasteroids/sprites/rock3/rock30022.png
new file mode 100644
index 0000000..1e8a1c2
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30022.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30023.png b/examples/demo/qasteroids/sprites/rock3/rock30023.png
new file mode 100644
index 0000000..9b960d6
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30023.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30024.png b/examples/demo/qasteroids/sprites/rock3/rock30024.png
new file mode 100644
index 0000000..6c15f2b
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30024.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30025.png b/examples/demo/qasteroids/sprites/rock3/rock30025.png
new file mode 100644
index 0000000..12b05da
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30025.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30026.png b/examples/demo/qasteroids/sprites/rock3/rock30026.png
new file mode 100644
index 0000000..16190e9
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30026.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30027.png b/examples/demo/qasteroids/sprites/rock3/rock30027.png
new file mode 100644
index 0000000..a862501
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30027.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30028.png b/examples/demo/qasteroids/sprites/rock3/rock30028.png
new file mode 100644
index 0000000..e3e0c18
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30028.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30029.png b/examples/demo/qasteroids/sprites/rock3/rock30029.png
new file mode 100644
index 0000000..ec70b84
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30029.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30030.png b/examples/demo/qasteroids/sprites/rock3/rock30030.png
new file mode 100644
index 0000000..0b060d0
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30030.png
diff --git a/examples/demo/qasteroids/sprites/rock3/rock30031.png b/examples/demo/qasteroids/sprites/rock3/rock30031.png
new file mode 100644
index 0000000..c1dc1b9
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/rock3/rock30031.png
diff --git a/examples/demo/qasteroids/sprites/shield/shield0000.png b/examples/demo/qasteroids/sprites/shield/shield0000.png
new file mode 100644
index 0000000..e3434e6
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/shield/shield0000.png
diff --git a/examples/demo/qasteroids/sprites/shield/shield0001.png b/examples/demo/qasteroids/sprites/shield/shield0001.png
new file mode 100644
index 0000000..038cf5d
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/shield/shield0001.png
diff --git a/examples/demo/qasteroids/sprites/shield/shield0002.png b/examples/demo/qasteroids/sprites/shield/shield0002.png
new file mode 100644
index 0000000..1cf0da0
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/shield/shield0002.png
diff --git a/examples/demo/qasteroids/sprites/shield/shield0003.png b/examples/demo/qasteroids/sprites/shield/shield0003.png
new file mode 100644
index 0000000..40c7256
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/shield/shield0003.png
diff --git a/examples/demo/qasteroids/sprites/shield/shield0004.png b/examples/demo/qasteroids/sprites/shield/shield0004.png
new file mode 100644
index 0000000..4ee43ba
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/shield/shield0004.png
diff --git a/examples/demo/qasteroids/sprites/shield/shield0005.png b/examples/demo/qasteroids/sprites/shield/shield0005.png
new file mode 100644
index 0000000..0122e14
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/shield/shield0005.png
diff --git a/examples/demo/qasteroids/sprites/shield/shield0006.png b/examples/demo/qasteroids/sprites/shield/shield0006.png
new file mode 100644
index 0000000..dc5bea3
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/shield/shield0006.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship.ini b/examples/demo/qasteroids/sprites/ship/ship.ini
new file mode 100644
index 0000000..479cc20
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship.ini
@@ -0,0 +1,9 @@
+Cyclic_Animation=On
+Width=42
+Height=42
+Final_frame=32 ;; NR_ROTS
+Antialias=On
+Output_Alpha=On
+Output_to_File=On
+Output_File_Type=n
+Input_File_Name=ship.pov
diff --git a/examples/demo/qasteroids/sprites/ship/ship.pov b/examples/demo/qasteroids/sprites/ship/ship.pov
new file mode 100644
index 0000000..8f185cd
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship.pov
@@ -0,0 +1,128 @@
+
+#version 3.0
+global_settings { assumed_gamma 2.0 }
+
+#include "colors.inc"
+#include "textures.inc"
+#include "metals.inc"
+
+camera {
+  orthographic
+  up <0, 130, 0>
+  right <130, 0, 0>
+  location <0, 0, -130>
+  look_at <0, 0, 0>
+}
+
+light_source { <50, 25, -25> colour White }
+light_source { <0, 0, -100> colour Gray80 }
+
+#declare ShipColor = color red 1.0 green 1.0 blue 0.9
+
+#declare BaseTexture =
+texture {
+    pigment { ShipColor }
+}
+
+#declare Grubby =
+texture {
+    pigment {
+        bozo
+        color_map {
+            [0.0 color rgbt <1, 1, 1, 1>]
+            [0.8 color rgbt <0.9, 0.9, 0.9, 0.5>]
+            [1.0 color rgbt <0.8, 0.8, 0.8, 0.5>]
+        }
+        turbulence 2.0
+        scale 3
+    }
+}
+
+#declare ShipTexture =
+texture { BaseTexture }
+texture { Grubby }
+
+union {
+    cone {
+	<12, 0, 0>, 0.5
+	<11, 0, 0>, 1.0
+	texture { ShipTexture }
+    }
+    cone {
+	<11, 0, 0>, 1.0
+	<8, 0, 0>, 2.0
+	texture { ShipTexture }
+    }
+    cone {
+	<8, 0, 0>, 2.0
+	<3.5, 0, 0>, 3.8
+	texture { ShipTexture }
+    }
+    difference {
+        cone {
+            <8, 0, -0.01>, 2.0
+            <3.5, 0, -0.01>, 3.8
+            pigment { color Gray20 }
+        }
+        box {
+            <9, -4.0, -3.7>,
+            <2, 4.0, 10>
+            rotate <0, -18, 0>
+        }
+        box {
+            <6.5, -4.0, -8>,
+            <10, 4.0, 8>
+        }
+        box {
+            <2, -4.0, -8>,
+            <4.5, 4.0, 8>
+        }
+    }
+    cone {
+	<3.5, 0, 0>, 3.8
+	<2, 0, 0>, 4.0
+	texture { ShipTexture }
+    }
+    cylinder {
+        <2, 0, 0>,
+        <-9, 0, 0>,
+        4.0
+        texture { ShipTexture }
+    }
+    cone {
+	<-9, 0, 0>, 4.0
+	<-10, 0, 0>, 3.5
+	texture { ShipTexture }
+    }
+    prism {
+	linear_sweep
+	linear_spline
+	0,
+	0.5,
+	4,
+	<7.5, 0>, <-7.5, 10>, <-7.5, -10>, <7.5, 0>
+	rotate <90, 0, 0>
+	texture { T_Silver_2A }
+	texture { ShipTexture }
+    }
+    prism {
+	linear_sweep
+	linear_spline
+	-0.5,
+	0.5,
+	4,
+	<4, 0>, <-7.5, 5>, <-7.5, -5>, <4, 0>
+	pigment { color White }
+    }
+    cone {
+	<-12, 0, 0>, 3.0
+	<-10, 0, 0>, 2.0
+	texture { T_Silver_2A }
+	pigment { color Gray60 }
+    }
+
+    rotate <0, 0,-360*clock>
+    scale <5, 5, 5>
+}
+
+
diff --git a/examples/demo/qasteroids/sprites/ship/ship0000.png b/examples/demo/qasteroids/sprites/ship/ship0000.png
new file mode 100644
index 0000000..1d73a6e
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0000.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0001.png b/examples/demo/qasteroids/sprites/ship/ship0001.png
new file mode 100644
index 0000000..d3f4b3f
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0001.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0002.png b/examples/demo/qasteroids/sprites/ship/ship0002.png
new file mode 100644
index 0000000..c5f40fa
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0002.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0003.png b/examples/demo/qasteroids/sprites/ship/ship0003.png
new file mode 100644
index 0000000..a1c8c25
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0003.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0004.png b/examples/demo/qasteroids/sprites/ship/ship0004.png
new file mode 100644
index 0000000..8d3b6d9
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0004.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0005.png b/examples/demo/qasteroids/sprites/ship/ship0005.png
new file mode 100644
index 0000000..15843dd
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0005.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0006.png b/examples/demo/qasteroids/sprites/ship/ship0006.png
new file mode 100644
index 0000000..380509a
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0006.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0007.png b/examples/demo/qasteroids/sprites/ship/ship0007.png
new file mode 100644
index 0000000..633f562
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0007.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0008.png b/examples/demo/qasteroids/sprites/ship/ship0008.png
new file mode 100644
index 0000000..e40ad04
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0008.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0009.png b/examples/demo/qasteroids/sprites/ship/ship0009.png
new file mode 100644
index 0000000..19f3436
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0009.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0010.png b/examples/demo/qasteroids/sprites/ship/ship0010.png
new file mode 100644
index 0000000..b1142f4
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0010.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0011.png b/examples/demo/qasteroids/sprites/ship/ship0011.png
new file mode 100644
index 0000000..b8acd62
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0011.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0012.png b/examples/demo/qasteroids/sprites/ship/ship0012.png
new file mode 100644
index 0000000..06ac9eb
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0012.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0013.png b/examples/demo/qasteroids/sprites/ship/ship0013.png
new file mode 100644
index 0000000..71cf38c
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0013.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0014.png b/examples/demo/qasteroids/sprites/ship/ship0014.png
new file mode 100644
index 0000000..988a77f
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0014.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0015.png b/examples/demo/qasteroids/sprites/ship/ship0015.png
new file mode 100644
index 0000000..1ad2193
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0015.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0016.png b/examples/demo/qasteroids/sprites/ship/ship0016.png
new file mode 100644
index 0000000..c4f7125
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0016.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0017.png b/examples/demo/qasteroids/sprites/ship/ship0017.png
new file mode 100644
index 0000000..09e226e
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0017.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0018.png b/examples/demo/qasteroids/sprites/ship/ship0018.png
new file mode 100644
index 0000000..56b6190
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0018.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0019.png b/examples/demo/qasteroids/sprites/ship/ship0019.png
new file mode 100644
index 0000000..473340a
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0019.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0020.png b/examples/demo/qasteroids/sprites/ship/ship0020.png
new file mode 100644
index 0000000..dcfaa98
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0020.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0021.png b/examples/demo/qasteroids/sprites/ship/ship0021.png
new file mode 100644
index 0000000..f5718a2
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0021.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0022.png b/examples/demo/qasteroids/sprites/ship/ship0022.png
new file mode 100644
index 0000000..d59ca32
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0022.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0023.png b/examples/demo/qasteroids/sprites/ship/ship0023.png
new file mode 100644
index 0000000..8f24927
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0023.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0024.png b/examples/demo/qasteroids/sprites/ship/ship0024.png
new file mode 100644
index 0000000..0cae497
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0024.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0025.png b/examples/demo/qasteroids/sprites/ship/ship0025.png
new file mode 100644
index 0000000..bc7c5db
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0025.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0026.png b/examples/demo/qasteroids/sprites/ship/ship0026.png
new file mode 100644
index 0000000..386a9c7
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0026.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0027.png b/examples/demo/qasteroids/sprites/ship/ship0027.png
new file mode 100644
index 0000000..ad96779
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0027.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0028.png b/examples/demo/qasteroids/sprites/ship/ship0028.png
new file mode 100644
index 0000000..117420f
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0028.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0029.png b/examples/demo/qasteroids/sprites/ship/ship0029.png
new file mode 100644
index 0000000..0677ce1
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0029.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0030.png b/examples/demo/qasteroids/sprites/ship/ship0030.png
new file mode 100644
index 0000000..576625c
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0030.png
diff --git a/examples/demo/qasteroids/sprites/ship/ship0031.png b/examples/demo/qasteroids/sprites/ship/ship0031.png
new file mode 100644
index 0000000..ba87690
--- /dev/null
+++ b/examples/demo/qasteroids/sprites/ship/ship0031.png
diff --git a/examples/demo/qasteroids/toplevel.cpp b/examples/demo/qasteroids/toplevel.cpp
new file mode 100644
index 0000000..aafc841
--- /dev/null
+++ b/examples/demo/qasteroids/toplevel.cpp
@@ -0,0 +1,494 @@
+/*
+ * KAsteroids - Copyright (c) Martin R. Jones 1997
+ *
+ * Part of the KDE project
+ */
+//	--- toplevel.cpp ---
+#include <qaccel.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qlcdnumber.h>
+#include <qpushbutton.h>
+
+#include <qapplication.h>
+
+#include "toplevel.h"
+#include "ledmeter.h"
+
+
+#define SB_SCORE	1
+#define SB_LEVEL	2
+#define SB_SHIPS	3
+
+struct SLevel
+{
+    int    nrocks;
+    double rockSpeed;
+};
+
+#define MAX_LEVELS	16
+
+SLevel levels[MAX_LEVELS] =
+{
+    { 1, 0.4 },
+    { 1, 0.6 },
+    { 2, 0.5 },
+    { 2, 0.7 },
+    { 2, 0.8 },
+    { 3, 0.6 },
+    { 3, 0.7 },
+    { 3, 0.8 },
+    { 4, 0.6 },
+    { 4, 0.7 },
+    { 4, 0.8 },
+    { 5, 0.7 },
+    { 5, 0.8 },
+    { 5, 0.9 },
+    { 5, 1.0 }
+};
+
+const char *soundEvents[] =
+{
+    "ShipDestroyed",
+    "RockDestroyed",
+    0
+};
+
+const char *soundDefaults[] =
+{
+    "Explosion.wav",
+    "ploop.wav",
+    0
+};
+
+
+KAstTopLevel::KAstTopLevel( QWidget *parent, const char *name )
+    : QMainWindow( parent, name, 0 )
+{
+    QWidget *border = new QWidget( this );
+    border->setBackgroundColor( black );
+    setCentralWidget( border );
+
+    QVBoxLayout *borderLayout = new QVBoxLayout( border );
+    borderLayout->addStretch( 1 );
+
+    QWidget *mainWin = new QWidget( border );
+    mainWin->setFixedSize(640, 480);
+    borderLayout->addWidget( mainWin, 0, AlignHCenter );
+
+    borderLayout->addStretch( 1 );
+
+    view = new KAsteroidsView( mainWin );
+    view->setFocusPolicy( StrongFocus );
+    connect( view, SIGNAL( shipKilled() ), SLOT( slotShipKilled() ) );
+    connect( view, SIGNAL( rockHit(int) ), SLOT( slotRockHit(int) ) );
+    connect( view, SIGNAL( rocksRemoved() ), SLOT( slotRocksRemoved() ) );
+    connect( view, SIGNAL( updateVitals() ), SLOT( slotUpdateVitals() ) );
+
+    QVBoxLayout *vb = new QVBoxLayout( mainWin );
+    QHBoxLayout *hb = new QHBoxLayout;
+    QHBoxLayout *hbd = new QHBoxLayout;
+    vb->addLayout( hb );
+
+    QFont labelFont( "helvetica", 24 );
+    QColorGroup grp( darkGreen, black, QColor( 128, 128, 128 ),
+	    QColor( 64, 64, 64 ), black, darkGreen, black );
+    QPalette pal( grp, grp, grp );
+
+    mainWin->setPalette( pal );
+
+    hb->addSpacing( 10 );
+
+    QLabel *label;
+    label = new QLabel( tr("Score"), mainWin );
+    label->setFont( labelFont );
+    label->setPalette( pal );
+    label->setFixedWidth( label->sizeHint().width() );
+    hb->addWidget( label );
+
+    scoreLCD = new QLCDNumber( 6, mainWin );
+    scoreLCD->setFrameStyle( QFrame::NoFrame );
+    scoreLCD->setSegmentStyle( QLCDNumber::Flat );
+    scoreLCD->setFixedWidth( 150 );
+    scoreLCD->setPalette( pal );
+    hb->addWidget( scoreLCD );
+    hb->addStretch( 10 );
+
+    label = new QLabel( tr("Level"), mainWin );
+    label->setFont( labelFont );
+    label->setPalette( pal );
+    label->setFixedWidth( label->sizeHint().width() );
+    hb->addWidget( label );
+
+    levelLCD = new QLCDNumber( 2, mainWin );
+    levelLCD->setFrameStyle( QFrame::NoFrame );
+    levelLCD->setSegmentStyle( QLCDNumber::Flat );
+    levelLCD->setFixedWidth( 70 );
+    levelLCD->setPalette( pal );
+    hb->addWidget( levelLCD );
+    hb->addStretch( 10 );
+
+    label = new QLabel( tr("Ships"), mainWin );
+    label->setFont( labelFont );
+    label->setFixedWidth( label->sizeHint().width() );
+    label->setPalette( pal );
+    hb->addWidget( label );
+
+    shipsLCD = new QLCDNumber( 1, mainWin );
+    shipsLCD->setFrameStyle( QFrame::NoFrame );
+    shipsLCD->setSegmentStyle( QLCDNumber::Flat );
+    shipsLCD->setFixedWidth( 40 );
+    shipsLCD->setPalette( pal );
+    hb->addWidget( shipsLCD );
+
+    hb->addStrut( 30 );
+
+    vb->addWidget( view, 10 );
+
+// -- bottom layout:
+    vb->addLayout( hbd );
+
+    QFont smallFont( "helvetica", 14 );
+    hbd->addSpacing( 10 );
+
+    QString sprites_prefix = "qasteroids/sprites/";
+/*
+    label = new QLabel( tr( "T" ), mainWin );
+    label->setFont( smallFont );
+    label->setFixedWidth( label->sizeHint().width() );
+    label->setPalette( pal );
+    hbd->addWidget( label );
+
+    teleportsLCD = new QLCDNumber( 1, mainWin );
+    teleportsLCD->setFrameStyle( QFrame::NoFrame );
+    teleportsLCD->setSegmentStyle( QLCDNumber::Flat );
+    teleportsLCD->setPalette( pal );
+    teleportsLCD->setFixedHeight( 20 );
+    hbd->addWidget( teleportsLCD );
+
+    hbd->addSpacing( 10 );
+*/
+    QPixmap pm( sprites_prefix + "powerups/brake.png" );
+    label = new QLabel( mainWin );
+    label->setPixmap( pm );
+    label->setFixedWidth( label->sizeHint().width() );
+    label->setPalette( pal );
+    hbd->addWidget( label );
+
+    brakesLCD = new QLCDNumber( 1, mainWin );
+    brakesLCD->setFrameStyle( QFrame::NoFrame );
+    brakesLCD->setSegmentStyle( QLCDNumber::Flat );
+    brakesLCD->setPalette( pal );
+    brakesLCD->setFixedHeight( 20 );
+    hbd->addWidget( brakesLCD );
+
+    hbd->addSpacing( 10 );
+
+    pm.load( sprites_prefix + "powerups/shield.png" );
+    label = new QLabel( mainWin );
+    label->setPixmap( pm );
+    label->setFixedWidth( label->sizeHint().width() );
+    label->setPalette( pal );
+    hbd->addWidget( label );
+
+    shieldLCD = new QLCDNumber( 1, mainWin );
+    shieldLCD->setFrameStyle( QFrame::NoFrame );
+    shieldLCD->setSegmentStyle( QLCDNumber::Flat );
+    shieldLCD->setPalette( pal );
+    shieldLCD->setFixedHeight( 20 );
+    hbd->addWidget( shieldLCD );
+
+    hbd->addSpacing( 10 );
+
+    pm.load( sprites_prefix + "powerups/shoot.png" );
+    label = new QLabel( mainWin );
+    label->setPixmap( pm );
+    label->setFixedWidth( label->sizeHint().width() );
+    label->setPalette( pal );
+    hbd->addWidget( label );
+
+    shootLCD = new QLCDNumber( 1, mainWin );
+    shootLCD->setFrameStyle( QFrame::NoFrame );
+    shootLCD->setSegmentStyle( QLCDNumber::Flat );
+    shootLCD->setPalette( pal );
+    shootLCD->setFixedHeight( 20 );
+    hbd->addWidget( shootLCD );
+
+    hbd->addStretch( 1 );
+
+    label = new QLabel( tr( "Fuel" ), mainWin );
+    label->setFont( smallFont );
+    label->setFixedWidth( label->sizeHint().width() + 10 );
+    label->setPalette( pal );
+    hbd->addWidget( label );
+
+    powerMeter = new KALedMeter( mainWin );
+    powerMeter->setFrameStyle( QFrame::Box | QFrame::Plain );
+    powerMeter->setRange( MAX_POWER_LEVEL );
+    powerMeter->addColorRange( 10, darkRed );
+    powerMeter->addColorRange( 20, QColor(160, 96, 0) );
+    powerMeter->addColorRange( 70, darkGreen );
+    powerMeter->setCount( 40 );
+    powerMeter->setPalette( pal );
+    powerMeter->setFixedSize( 200, 12 );
+    hbd->addWidget( powerMeter );
+
+    shipsRemain = 3;
+    showHiscores = FALSE;
+
+    actions.insert( Qt::Key_Up, Thrust );
+    actions.insert( Qt::Key_Left, RotateLeft );
+    actions.insert( Qt::Key_Right, RotateRight );
+    actions.insert( Qt::Key_Space, Shoot );
+    actions.insert( Qt::Key_Z, Teleport );
+    actions.insert( Qt::Key_X, Brake );
+    actions.insert( Qt::Key_S, Shield );
+    actions.insert( Qt::Key_P, Pause );
+    actions.insert( Qt::Key_L, Launch );
+    actions.insert( Qt::Key_N, NewGame );
+
+    view->showText( tr( "Press N to start playing" ), yellow );
+}
+
+KAstTopLevel::~KAstTopLevel()
+{
+}
+
+void KAstTopLevel::playSound( const char * )
+{
+}
+
+void KAstTopLevel::keyPressEvent( QKeyEvent *event )
+{
+    if ( event->isAutoRepeat() || !actions.contains( event->key() ) )
+    {
+        event->ignore();
+        return;
+    }
+
+    Action a = actions[ event->key() ];
+
+    switch ( a )
+    {
+        case RotateLeft:
+            view->rotateLeft( TRUE );
+            break;
+
+        case RotateRight:
+            view->rotateRight( TRUE );
+            break;
+
+        case Thrust:
+            view->thrust( TRUE );
+            break;
+
+        case Shoot:
+            view->shoot( TRUE );
+            break;
+
+        case Shield:
+            view->setShield( TRUE );
+            break;
+
+        case Teleport:
+            view->teleport( TRUE );
+            break;
+
+        case Brake:
+            view->brake( TRUE );
+            break;
+
+        default:
+            event->ignore();
+            return;
+    }
+    event->accept();
+}
+
+void KAstTopLevel::keyReleaseEvent( QKeyEvent *event )
+{
+    if ( event->isAutoRepeat() || !actions.contains( event->key() ) )
+    {
+        event->ignore();
+        return;
+    }
+
+    Action a = actions[ event->key() ];
+
+    switch ( a )
+    {
+        case RotateLeft:
+            view->rotateLeft( FALSE );
+            break;
+
+        case RotateRight:
+            view->rotateRight( FALSE );
+            break;
+
+        case Thrust:
+            view->thrust( FALSE );
+            break;
+
+        case Shoot:
+            view->shoot( FALSE );
+            break;
+
+        case Brake:
+            view->brake( FALSE );
+            break;
+
+        case Shield:
+            view->setShield( FALSE );
+            break;
+
+        case Teleport:
+            view->teleport( FALSE );
+            break;
+
+        case Launch:
+            if ( waitShip )
+            {
+                view->newShip();
+                waitShip = FALSE;
+                view->hideText();
+            }
+            else
+            {
+                event->ignore();
+                return;
+            }
+            break;
+
+	case NewGame:
+	    slotNewGame();
+	    break;
+/*
+        case Pause:
+            {
+                view->pause( TRUE );
+                QMessageBox::information( this,
+                                          tr("KAsteroids is paused"),
+                                          tr("Paused") );
+                view->pause( FALSE );
+            }
+            break;
+*/
+        default:
+            event->ignore();
+            return;
+    }
+
+    event->accept();
+}
+
+void KAstTopLevel::showEvent( QShowEvent *e )
+{
+    QMainWindow::showEvent( e );
+    view->pause( FALSE );
+    view->setFocus();
+}
+
+void KAstTopLevel::hideEvent( QHideEvent *e )
+{
+    QMainWindow::hideEvent( e );
+    view->pause( TRUE );
+}
+
+void KAstTopLevel::slotNewGame()
+{
+    score = 0;
+    shipsRemain = SB_SHIPS;
+    scoreLCD->display( 0 );
+    level = 0;
+    levelLCD->display( level+1 );
+    shipsLCD->display( shipsRemain-1 );
+    view->newGame();
+    view->setRockSpeed( levels[0].rockSpeed );
+    view->addRocks( levels[0].nrocks );
+//    view->showText( tr( "Press L to launch." ), yellow );
+    view->newShip();
+    waitShip = FALSE;
+    view->hideText();
+    isPaused = FALSE;
+}
+
+void KAstTopLevel::slotShipKilled()
+{
+    shipsRemain--;
+    shipsLCD->display( shipsRemain-1 );
+
+    playSound( "ShipDestroyed" );
+
+    if ( shipsRemain )
+    {
+        waitShip = TRUE;
+        view->showText( tr( "Ship Destroyed. Press L to launch."), yellow );
+    }
+    else
+    {
+        view->showText( tr("Game Over!"), red );
+        view->endGame();
+	doStats();
+//        highscore->addEntry( score, level, showHiscores );
+    }
+}
+
+void KAstTopLevel::slotRockHit( int size )
+{
+    switch ( size )
+    {
+	case 0:
+	    score += 10;
+	     break;
+
+	case 1:
+	    score += 20;
+	    break;
+
+	default:
+	    score += 40;
+      }
+
+    playSound( "RockDestroyed" );
+
+    scoreLCD->display( score );
+}
+
+void KAstTopLevel::slotRocksRemoved()
+{
+    level++;
+
+    if ( level >= MAX_LEVELS )
+	level = MAX_LEVELS - 1;
+
+    view->setRockSpeed( levels[level-1].rockSpeed );
+    view->addRocks( levels[level-1].nrocks );
+
+    levelLCD->display( level+1 );
+}
+
+void KAstTopLevel::doStats()
+{
+    QString r( "0.00" );
+    if ( view->shots() )
+	 r = QString::number( (double)view->hits() / view->shots() * 100.0,
+			     'g', 2 );
+
+/* multi-line text broken in Qt 3
+    QString s = tr( "Game Over\n\nShots fired:\t%1\n  Hit:\t%2\n  Missed:\t%3\nHit ratio:\t%4 %\n\nPress N for a new game" )
+      .arg(view->shots()).arg(view->hits())
+      .arg(view->shots() - view->hits())
+      .arg(r);
+*/
+
+    view->showText( "Game Over.   Press N for a new game.", yellow, FALSE );
+}
+
+void KAstTopLevel::slotUpdateVitals()
+{
+    brakesLCD->display( view->brakeCount() );
+    shieldLCD->display( view->shieldCount() );
+    shootLCD->display( view->shootCount() );
+//    teleportsLCD->display( view->teleportCount() );
+    powerMeter->setValue( view->power() );
+}
diff --git a/examples/demo/qasteroids/toplevel.h b/examples/demo/qasteroids/toplevel.h
new file mode 100644
index 0000000..6f1b581
--- /dev/null
+++ b/examples/demo/qasteroids/toplevel.h
@@ -0,0 +1,79 @@
+/*
+ * KAsteroids - Copyright (c) Martin R. Jones 1997
+ *
+ * Part of the KDE project
+ */
+
+#ifndef __KAST_TOPLEVEL_H__
+#define __KAST_TOPLEVEL_H__
+
+#include <qmainwindow.h>
+#include <qdict.h>
+#include <qmap.h>
+
+#include "view.h"
+
+
+class KALedMeter;
+class QLCDNumber;
+
+class KAstTopLevel : public QMainWindow
+{
+    Q_OBJECT
+public:
+    KAstTopLevel( QWidget *parent=0, const char *name=0 );
+    virtual ~KAstTopLevel();
+
+private:
+    void playSound( const char *snd );
+    void readSoundMapping();
+    void doStats();
+
+protected:
+    virtual void showEvent( QShowEvent * );
+    virtual void hideEvent( QHideEvent * );
+    virtual void keyPressEvent( QKeyEvent *event );
+    virtual void keyReleaseEvent( QKeyEvent *event );
+
+private slots:
+    void slotNewGame();
+
+    void slotShipKilled();
+    void slotRockHit( int size );
+    void slotRocksRemoved();
+
+    void slotUpdateVitals();
+
+private:
+    KAsteroidsView *view;
+    QLCDNumber *scoreLCD;
+    QLCDNumber *levelLCD;
+    QLCDNumber *shipsLCD;
+
+    QLCDNumber *teleportsLCD;
+//    QLCDNumber *bombsLCD;
+    QLCDNumber *brakesLCD;
+    QLCDNumber *shieldLCD;
+    QLCDNumber *shootLCD;
+    KALedMeter *powerMeter;
+
+    bool   sound;
+    QDict<QString> soundDict;
+
+    // waiting for user to press Enter to launch a ship
+    bool waitShip;
+    bool isPaused;
+
+    int shipsRemain;
+    int score;
+    int level;
+    bool showHiscores;
+
+    enum Action { Launch, Thrust, RotateLeft, RotateRight, Shoot, Teleport,
+                    Brake, Shield, Pause, NewGame  };
+
+    QMap<int,Action> actions;
+};
+
+#endif
+
diff --git a/examples/demo/qasteroids/view.cpp b/examples/demo/qasteroids/view.cpp
new file mode 100644
index 0000000..d6ccd5d
--- /dev/null
+++ b/examples/demo/qasteroids/view.cpp
@@ -0,0 +1,908 @@
+/*
+ * KAsteroids - Copyright (c) Martin R. Jones 1997
+ *
+ * Part of the KDE project
+ */
+
+#include <stdlib.h>
+#include <math.h>
+#include <qapplication.h>
+#include <qkeycode.h>
+#include <qaccel.h>
+#include <qmessagebox.h>
+
+#include "view.h"
+
+#define IMG_BACKGROUND "qasteroids/bg.png"
+
+#define REFRESH_DELAY           33
+#define SHIP_SPEED              0.3
+#define MISSILE_SPEED           10.0
+#define SHIP_STEPS              64
+#define ROTATE_RATE             2
+#define SHIELD_ON_COST          1
+#define SHIELD_HIT_COST         30
+#define BRAKE_ON_COST           4
+
+#define MAX_ROCK_SPEED          2.5
+#define MAX_POWERUP_SPEED       1.5
+#define MAX_SHIP_SPEED		12
+#define MAX_BRAKES              5
+#define MAX_SHIELDS             5
+#define MAX_FIREPOWER		5
+
+#define TEXT_SPEED              4
+
+#define PI_X_2                  6.283185307
+#ifndef M_PI
+#define M_PI 3.141592654
+#endif
+
+static struct
+{
+    int id;
+    const char *path;
+    int frames;
+}
+kas_animations [] =
+{
+    { ID_ROCK_LARGE,       "rock1/rock1%1.png",       32 },
+    { ID_ROCK_MEDIUM,      "rock2/rock2%1.png",       32 },
+    { ID_ROCK_SMALL,       "rock3/rock3%1.png",       32 },
+    { ID_SHIP,             "ship/ship%1.png",         32 },
+    { ID_MISSILE,          "missile/missile.png",      1 },
+    { ID_BIT,              "bits/bits%1.png",         16 },
+    { ID_EXHAUST,          "exhaust/exhaust.png",      1 },
+    { ID_ENERGY_POWERUP,   "powerups/energy.png",      1 },
+//    { ID_TELEPORT_POWERUP, "powerups/teleport%1.png", 12 },
+    { ID_BRAKE_POWERUP,    "powerups/brake.png",       1 },
+    { ID_SHIELD_POWERUP,   "powerups/shield.png",      1 },
+    { ID_SHOOT_POWERUP,    "powerups/shoot.png",       1 },
+    { ID_SHIELD,           "shield/shield%1.png",      6 },
+    { 0,                   0,                          0 }
+};
+
+
+
+KAsteroidsView::KAsteroidsView( QWidget *parent, const char *name )
+    : QWidget( parent, name ),
+      field(640, 440),
+      view(&field,this)
+{
+    view.setVScrollBarMode( QScrollView::AlwaysOff );
+    view.setHScrollBarMode( QScrollView::AlwaysOff );
+    view.viewport()->setFocusProxy( this );
+    rocks.setAutoDelete( TRUE );
+    missiles.setAutoDelete( TRUE );
+    bits.setAutoDelete( TRUE );
+    powerups.setAutoDelete( TRUE );
+    exhaust.setAutoDelete( TRUE );
+
+    field.setBackgroundColor( black );
+    QPixmap pm( IMG_BACKGROUND );
+    field.setBackgroundPixmap( pm );
+
+    textSprite = new QCanvasText( &field );
+    QFont font( "helvetica", 18 );
+    textSprite->setFont( font );
+
+    shield = 0;
+    shieldOn = FALSE;
+    refreshRate = REFRESH_DELAY;
+
+    initialized = readSprites();
+
+    shieldTimer = new QTimer( this );
+    connect( shieldTimer, SIGNAL(timeout()), this, SLOT(hideShield()) );
+    mTimerId = -1;
+
+    shipPower = MAX_POWER_LEVEL;
+    vitalsChanged = TRUE;
+    can_destroy_powerups = FALSE;
+
+    mPaused = TRUE;
+
+    if ( !initialized ) {
+	textSprite->setText( tr("Error: Cannot read sprite images") );
+	textSprite->setColor( red );
+	textSprite->move( (field.width()-textSprite->boundingRect().width()) / 2,
+			  (field.height()-textSprite->boundingRect().height()) / 2 );
+	textSprite->show();
+    }
+}
+
+// - - -
+
+KAsteroidsView::~KAsteroidsView()
+{
+}
+
+// - - -
+
+void KAsteroidsView::reset()
+{
+    if ( !initialized )
+	return;
+    rocks.clear();
+    missiles.clear();
+    bits.clear();
+    powerups.clear();
+    exhaust.clear();
+
+    shotsFired = 0;
+    shotsHit = 0;
+
+    rockSpeed = 1.0;
+    powerupSpeed = 1.0;
+    mFrameNum = 0;
+    mPaused = FALSE;
+
+    ship->hide();
+    shield->hide();
+/*
+    if ( mTimerId >= 0 ) {
+	killTimer( mTimerId );
+	mTimerId = -1;
+    }
+*/
+}
+
+// - --
+
+void KAsteroidsView::newGame()
+{
+    if ( !initialized )
+	return;
+    if ( shieldOn )
+    {
+      shield->hide();
+      shieldOn = FALSE;
+    }
+    reset();
+    if ( mTimerId < 0 )
+	mTimerId = startTimer( REFRESH_DELAY );
+    emit updateVitals();
+}
+
+// - - -
+
+void KAsteroidsView::endGame()
+{
+}
+
+void KAsteroidsView::pause( bool p )
+{
+    if ( !initialized )
+	return;
+    if ( !mPaused && p ) {
+	if ( mTimerId >= 0 ) {
+	    killTimer( mTimerId );
+	    mTimerId = -1;
+	}
+    } else if ( mPaused && !p )
+	mTimerId = startTimer( REFRESH_DELAY );
+    mPaused = p;
+}
+
+// - - -
+
+void KAsteroidsView::newShip()
+{
+    if ( !initialized )
+	return;
+    ship->move( width()/2, height()/2, 0 );
+    shield->move( width()/2, height()/2, 0 );
+    ship->setVelocity( 0.0, 0.0 );
+    shipDx = 0;
+    shipDy = 0;
+    shipAngle = 0;
+    rotateL = FALSE;
+    rotateR = FALSE;
+    thrustShip = FALSE;
+    shootShip = FALSE;
+    brakeShip = FALSE;
+    teleportShip = FALSE;
+    shieldOn = TRUE;
+    shootDelay = 0;
+    shipPower = MAX_POWER_LEVEL;
+    rotateRate = ROTATE_RATE;
+    rotateSlow = 0;
+
+    mBrakeCount = 0;
+    mTeleportCount = 0;
+    mShootCount = 0;
+
+    ship->show();
+    shield->show();
+    mShieldCount = 1;   // just in case the ship appears on a rock.
+    shieldTimer->start( 1000, TRUE );
+}
+
+void KAsteroidsView::setShield( bool s )
+{
+    if ( !initialized )
+	return;
+    if ( shieldTimer->isActive() && !s ) {
+	shieldTimer->stop();
+	hideShield();
+    } else {
+	shieldOn = s && mShieldCount;
+    }
+}
+
+void KAsteroidsView::brake( bool b )
+{
+    if ( !initialized )
+	return;
+    if ( mBrakeCount )
+    {
+	if ( brakeShip && !b )
+	{
+	    rotateL = FALSE;
+	    rotateR = FALSE;
+	    thrustShip = FALSE;
+	    rotateRate = ROTATE_RATE;
+	}
+
+	brakeShip = b;
+    }
+}
+
+// - - -
+
+bool KAsteroidsView::readSprites()
+{
+    QString sprites_prefix = "qasteroids/sprites/";
+
+    int i = 0;
+    while ( kas_animations[i].id )
+    {
+	QCanvasPixmapArray *anim =
+	    new QCanvasPixmapArray( sprites_prefix + kas_animations[i].path,
+				    kas_animations[i].frames );
+	if ( !anim->isValid() )
+	    return FALSE;
+	animation.insert( kas_animations[i].id, anim );
+	i++;
+    }
+
+    ship = new QCanvasSprite( animation[ID_SHIP], &field );
+    ship->hide();
+
+    shield = new KShield( animation[ID_SHIELD], &field );
+    shield->hide();
+
+    return (ship->image(0) && shield->image(0));
+}
+
+// - - -
+
+void KAsteroidsView::addRocks( int num )
+{
+    if ( !initialized )
+	return;
+    for ( int i = 0; i < num; i++ )
+    {
+	KRock *rock = new KRock( animation[ID_ROCK_LARGE], &field,
+			     ID_ROCK_LARGE, randInt(2), randInt(2) ? -1 : 1 );
+	double dx = (2.0 - randDouble()*4.0) * rockSpeed;
+	double dy = (2.0 - randDouble()*4.0) * rockSpeed;
+	rock->setVelocity( dx, dy );
+	rock->setFrame( randInt( rock->frameCount() ) );
+	if ( dx > 0 )
+	{
+	    if ( dy > 0 )
+		rock->move( 5, 5, 0 );
+	    else
+		rock->move( 5, field.height() - 25, 0 );
+	}
+	else
+	{
+	    if ( dy > 0 )
+		rock->move( field.width() - 25, 5, 0 );
+	    else
+		rock->move( field.width() - 25, field.height() - 25, 0 );
+	}
+	rock->show( );
+	rocks.append( rock );
+    }
+}
+
+// - - -
+
+void KAsteroidsView::showText( const QString &text, const QColor &color, bool scroll )
+{
+    if ( !initialized )
+	return;
+    textSprite->setText( text );
+    textSprite->setColor( color );
+
+    if ( scroll ) {
+	textSprite->move( (field.width()-textSprite->boundingRect().width()) / 2,
+			    -textSprite->boundingRect().height() );
+	textDy = TEXT_SPEED;
+    } else {
+	textSprite->move( (field.width()-textSprite->boundingRect().width()) / 2,
+			  (field.height()-textSprite->boundingRect().height()) / 2 );
+	textDy = 0;
+    }
+    textSprite->show();
+}
+
+// - - -
+
+void KAsteroidsView::hideText()
+{
+    textDy = -TEXT_SPEED;
+}
+
+// - - -
+
+void KAsteroidsView::resizeEvent(QResizeEvent* event)
+{
+    QWidget::resizeEvent(event);
+    field.resize(width()-4, height()-4);
+    view.resize(width(),height());
+}
+
+// - - -
+
+void KAsteroidsView::timerEvent( QTimerEvent * )
+{
+    field.advance();
+
+    QCanvasSprite *rock;
+
+    // move rocks forward
+    for ( rock = rocks.first(); rock; rock = rocks.next() ) {
+	((KRock *)rock)->nextFrame();
+	wrapSprite( rock );
+    }
+
+    wrapSprite( ship );
+
+    // check for missile collision with rocks.
+    processMissiles();
+
+    // these are generated when a ship explodes
+    for ( KBit *bit = bits.first(); bit; bit = bits.next() )
+    {
+	if ( bit->expired() )
+	{
+	    bits.removeRef( bit );
+	}
+	else
+	{
+	    bit->growOlder();
+	    bit->setFrame( ( bit->frame()+1 ) % bit->frameCount() );
+	}
+    }
+
+    for ( KExhaust *e = exhaust.first(); e; e = exhaust.next() )
+	exhaust.removeRef( e );
+
+    // move / rotate ship.
+    // check for collision with a rock.
+    processShip();
+
+    // move powerups and check for collision with player and missiles
+    processPowerups();
+
+    if ( textSprite->isVisible() )
+    {
+	if ( textDy < 0 &&
+	     textSprite->boundingRect().y() <= -textSprite->boundingRect().height() ) {
+	    textSprite->hide();
+	} else {
+	    textSprite->moveBy( 0, textDy );
+	}
+	if ( textSprite->boundingRect().y() > (field.height()-textSprite->boundingRect().height())/2 )
+	    textDy = 0;
+    }
+
+    if ( vitalsChanged && !(mFrameNum % 10) ) {
+	emit updateVitals();
+	vitalsChanged = FALSE;
+    }
+
+    mFrameNum++;
+}
+
+void KAsteroidsView::wrapSprite( QCanvasItem *s )
+{
+    int x = int(s->x() + s->boundingRect().width() / 2);
+    int y = int(s->y() + s->boundingRect().height() / 2);
+
+    if ( x > field.width() )
+	s->move( s->x() - field.width(), s->y() );
+    else if ( x < 0 )
+	s->move( field.width() + s->x(), s->y() );
+
+    if ( y > field.height() )
+	s->move( s->x(), s->y() - field.height() );
+    else if ( y < 0 )
+	s->move( s->x(), field.height() + s->y() );
+}
+
+// - - -
+
+void KAsteroidsView::rockHit( QCanvasItem *hit )
+{
+    KPowerup *nPup = 0;
+    int rnd = int(randDouble()*30.0) % 30;
+    switch( rnd )
+    {
+      case 4:
+      case 5:
+	nPup = new KPowerup( animation[ID_ENERGY_POWERUP], &field,
+			     ID_ENERGY_POWERUP );
+	break;
+      case 10:
+//        nPup = new KPowerup( animation[ID_TELEPORT_POWERUP], &field,
+//                             ID_TELEPORT_POWERUP );
+	break;
+      case 15:
+	nPup = new KPowerup( animation[ID_BRAKE_POWERUP], &field,
+				  ID_BRAKE_POWERUP );
+	break;
+      case 20:
+	nPup = new KPowerup( animation[ID_SHIELD_POWERUP], &field,
+				  ID_SHIELD_POWERUP );
+	break;
+      case 24:
+      case 25:
+	nPup = new KPowerup( animation[ID_SHOOT_POWERUP], &field,
+				  ID_SHOOT_POWERUP );
+	break;
+    }
+    if ( nPup )
+    {
+	double r = 0.5 - randDouble();
+	nPup->move( hit->x(), hit->y(), 0 );
+	nPup->setVelocity( hit->xVelocity() + r, hit->yVelocity() + r );
+	nPup->show( );
+	powerups.append( nPup );
+    }
+
+    if ( hit->rtti() == ID_ROCK_LARGE || hit->rtti() == ID_ROCK_MEDIUM )
+    {
+	// break into smaller rocks
+	double addx[4] = { 1.0, 1.0, -1.0, -1.0 };
+	double addy[4] = { -1.0, 1.0, -1.0, 1.0 };
+
+	double dx = hit->xVelocity();
+	double dy = hit->yVelocity();
+
+	double maxRockSpeed = MAX_ROCK_SPEED * rockSpeed;
+	if ( dx > maxRockSpeed )
+	    dx = maxRockSpeed;
+	else if ( dx < -maxRockSpeed )
+	    dx = -maxRockSpeed;
+	if ( dy > maxRockSpeed )
+	    dy = maxRockSpeed;
+	else if ( dy < -maxRockSpeed )
+	    dy = -maxRockSpeed;
+
+	QCanvasSprite *nrock;
+
+	for ( int i = 0; i < 4; i++ )
+	{
+	    double r = rockSpeed/2 - randDouble()*rockSpeed;
+	    if ( hit->rtti() == ID_ROCK_LARGE )
+	    {
+		nrock = new KRock( animation[ID_ROCK_MEDIUM], &field,
+			       ID_ROCK_MEDIUM, randInt(2), randInt(2) ? -1 : 1 );
+		emit rockHit( 0 );
+	    }
+	    else
+	    {
+		nrock = new KRock( animation[ID_ROCK_SMALL], &field,
+			       ID_ROCK_SMALL, randInt(2), randInt(2) ? -1 : 1 );
+		emit rockHit( 1 );
+	    }
+
+	    nrock->move( hit->x(), hit->y(), 0 );
+	    nrock->setVelocity( dx+addx[i]*rockSpeed+r, dy+addy[i]*rockSpeed+r );
+	    nrock->setFrame( randInt( nrock->frameCount() ) );
+	    nrock->show( );
+	    rocks.append( nrock );
+	}
+    }
+    else if ( hit->rtti() == ID_ROCK_SMALL )
+	emit rockHit( 2 );
+    rocks.removeRef( (QCanvasSprite *)hit );
+    if ( rocks.count() == 0 )
+	emit rocksRemoved();
+}
+
+void KAsteroidsView::reducePower( int val )
+{
+    shipPower -= val;
+    if ( shipPower <= 0 )
+    {
+	shipPower = 0;
+	thrustShip = FALSE;
+	if ( shieldOn )
+	{
+	    shieldOn = FALSE;
+	    shield->hide();
+	}
+    }
+    vitalsChanged = TRUE;
+}
+
+void KAsteroidsView::addExhaust( double x, double y, double dx,
+				 double dy, int count )
+{
+    for ( int i = 0; i < count; i++ )
+    {
+	KExhaust *e = new KExhaust( animation[ID_EXHAUST], &field );
+	e->move( x + 2 - randDouble()*4, y + 2 - randDouble()*4 );
+	e->setVelocity( dx, dy );
+	e->show( );
+	exhaust.append( e );
+    }
+}
+
+void KAsteroidsView::processMissiles()
+{
+    KMissile *missile;
+
+    // if a missile has hit a rock, remove missile and break rock into smaller
+    // rocks or remove completely.
+    QPtrListIterator<KMissile> it(missiles);
+
+    for ( ; it.current(); ++it )
+    {
+	missile = it.current();
+	missile->growOlder();
+
+	if ( missile->expired() )
+	{
+	    missiles.removeRef( missile );
+	    continue;
+	}
+
+	wrapSprite( missile );
+
+	QCanvasItemList hits = missile->collisions( TRUE );
+	QCanvasItemList::Iterator hit;
+	for ( hit = hits.begin(); hit != hits.end(); ++hit )
+	{
+	    if ( (*hit)->rtti() >= ID_ROCK_LARGE &&
+		 (*hit)->rtti() <= ID_ROCK_SMALL )
+	    {
+		shotsHit++;
+		rockHit( *hit );
+		missiles.removeRef( missile );
+		break;
+	    }
+	}
+    }
+}
+
+// - - -
+
+void KAsteroidsView::processShip()
+{
+    if ( ship->isVisible() )
+    {
+	if ( shieldOn )
+	{
+	    shield->show();
+	    reducePower( SHIELD_ON_COST );
+	    static int sf = 0;
+	    sf++;
+
+	    if ( sf % 2 )
+		shield->setFrame( (shield->frame()+1) % shield->frameCount() );
+	    shield->move( ship->x() - 9, ship->y() - 9 );
+
+	    QCanvasItemList hits = shield->collisions( TRUE );
+	    QCanvasItemList::Iterator it;
+	    for ( it = hits.begin(); it != hits.end(); ++it )
+	    {
+		if ( (*it)->rtti() >= ID_ROCK_LARGE &&
+		     (*it)->rtti() <= ID_ROCK_SMALL )
+		{
+		    int factor;
+		    switch ( (*it)->rtti() )
+		    {
+			case ID_ROCK_LARGE:
+			    factor = 3;
+			    break;
+
+			case ID_ROCK_MEDIUM:
+			    factor = 2;
+			    break;
+
+			default:
+			    factor = 1;
+		    }
+
+		    if ( factor > mShieldCount )
+		    {
+			// shield not strong enough
+			shieldOn = FALSE;
+			break;
+		    }
+		    rockHit( *it );
+		    // the more shields we have the less costly
+		    reducePower( factor * (SHIELD_HIT_COST - mShieldCount*2) );
+		}
+	    }
+	}
+
+	if ( !shieldOn )
+	{
+	    shield->hide();
+	    QCanvasItemList hits = ship->collisions( TRUE );
+	    QCanvasItemList::Iterator it;
+	    for ( it = hits.begin(); it != hits.end(); ++it )
+	    {
+		if ( (*it)->rtti() >= ID_ROCK_LARGE &&
+		     (*it)->rtti() <= ID_ROCK_SMALL )
+		{
+		    KBit *bit;
+		    for ( int i = 0; i < 12; i++ )
+		    {
+		      bit = new KBit( animation[ID_BIT], &field );
+		      bit->move( ship->x() + 5 - randDouble() * 10,
+				 ship->y() + 5 - randDouble() * 10,
+				 randInt(bit->frameCount()) );
+		      bit->setVelocity( 1-randDouble()*2,
+					1-randDouble()*2 );
+		      bit->setDeath( 60 + randInt(60) );
+		      bit->show( );
+		      bits.append( bit );
+		    }
+		    ship->hide();
+		    shield->hide();
+		    emit shipKilled();
+		    break;
+		}
+	    }
+	}
+
+
+	if ( rotateSlow )
+	    rotateSlow--;
+
+	if ( rotateL )
+	{
+	    shipAngle -= rotateSlow ? 1 : rotateRate;
+	    if ( shipAngle < 0 )
+		shipAngle += SHIP_STEPS;
+	}
+
+	if ( rotateR )
+	{
+	    shipAngle += rotateSlow ? 1 : rotateRate;
+	    if ( shipAngle >= SHIP_STEPS )
+		shipAngle -= SHIP_STEPS;
+	}
+
+	double angle = shipAngle * PI_X_2 / SHIP_STEPS;
+	double cosangle = cos( angle );
+	double sinangle = sin( angle );
+
+	if ( brakeShip )
+	{
+	    thrustShip = FALSE;
+	    rotateL = FALSE;
+	    rotateR = FALSE;
+	    rotateRate = ROTATE_RATE;
+	    if ( fabs(shipDx) < 2.5 && fabs(shipDy) < 2.5 )
+	    {
+		shipDx = 0.0;
+		shipDy = 0.0;
+		ship->setVelocity( shipDx, shipDy );
+		brakeShip = FALSE;
+	    }
+	    else
+	    {
+		double motionAngle = atan2( -shipDy, -shipDx );
+		if ( angle > M_PI )
+		    angle -= PI_X_2;
+		double angleDiff = angle - motionAngle;
+		if ( angleDiff > M_PI )
+		    angleDiff = PI_X_2 - angleDiff;
+		else if ( angleDiff < -M_PI )
+		    angleDiff = PI_X_2 + angleDiff;
+		double fdiff = fabs( angleDiff );
+		if ( fdiff > 0.08 )
+		{
+		    if ( angleDiff > 0 )
+			rotateL = TRUE;
+		    else if ( angleDiff < 0 )
+			rotateR = TRUE;
+		    if ( fdiff > 0.6 )
+			rotateRate = mBrakeCount + 1;
+		    else if ( fdiff > 0.4 )
+			rotateRate = 2;
+		    else
+			rotateRate = 1;
+
+		    if ( rotateRate > 5 )
+			rotateRate = 5;
+		}
+		else if ( fabs(shipDx) > 1 || fabs(shipDy) > 1 )
+		{
+		    thrustShip = TRUE;
+		    // we'll make braking a bit faster
+		    shipDx += cosangle/6 * (mBrakeCount - 1);
+		    shipDy += sinangle/6 * (mBrakeCount - 1);
+		    reducePower( BRAKE_ON_COST );
+		    addExhaust( ship->x() + 20 - cosangle*22,
+				ship->y() + 20 - sinangle*22,
+				shipDx-cosangle, shipDy-sinangle,
+				mBrakeCount+1 );
+		}
+	    }
+	}
+
+	if ( thrustShip )
+	{
+	    // The ship has a terminal velocity, but trying to go faster
+	    // still uses fuel (can go faster diagonally - don't care).
+	    double thrustx = cosangle/4;
+	    double thrusty = sinangle/4;
+	    if ( fabs(shipDx + thrustx) < MAX_SHIP_SPEED )
+		shipDx += thrustx;
+	    if ( fabs(shipDy + thrusty) < MAX_SHIP_SPEED )
+		shipDy += thrusty;
+	    ship->setVelocity( shipDx, shipDy );
+	    reducePower( 1 );
+	    addExhaust( ship->x() + 20 - cosangle*20,
+			ship->y() + 20 - sinangle*20,
+			shipDx-cosangle, shipDy-sinangle, 3 );
+	}
+
+	ship->setFrame( shipAngle >> 1 );
+
+	if ( shootShip )
+	{
+	    if ( !shootDelay && (int)missiles.count() < mShootCount + 2 )
+	    {
+	      KMissile *missile = new KMissile( animation[ID_MISSILE], &field );
+	      missile->move( 21+ship->x()+cosangle*21,
+			     21+ship->y()+sinangle*21, 0 );
+	      missile->setVelocity( shipDx + cosangle*MISSILE_SPEED,
+				    shipDy + sinangle*MISSILE_SPEED );
+	      missile->show( );
+	      missiles.append( missile );
+	      shotsFired++;
+	      reducePower( 1 );
+
+	      shootDelay = 5;
+	    }
+
+	    if ( shootDelay )
+	      shootDelay--;
+	}
+
+	if ( teleportShip )
+	{
+	    int ra = rand() % 10;
+	    if( ra == 0 )
+	    ra += rand() % 20;
+	    int xra = ra * 60 + ( (rand() % 20) * (rand() % 20) );
+	    int yra = ra * 50 - ( (rand() % 20) * (rand() % 20) );
+	    ship->move( xra, yra );
+	}
+
+	vitalsChanged = TRUE;
+    }
+}
+
+// - - -
+
+void KAsteroidsView::processPowerups()
+{
+    if ( !powerups.isEmpty() )
+    {
+	// if player gets the powerup remove it from the screen, if option
+	// "Can destroy powerups" is enabled and a missile hits the powerup
+	// destroy it
+
+	KPowerup *pup;
+	QPtrListIterator<KPowerup> it( powerups );
+
+	for( ; it.current(); ++it )
+	{
+	    pup = it.current();
+	    pup->growOlder();
+
+	    if( pup->expired() )
+	    {
+		powerups.removeRef( pup );
+		continue;
+	    }
+
+	    wrapSprite( pup );
+
+	    QCanvasItemList hits = pup->collisions( TRUE );
+	    QCanvasItemList::Iterator it;
+	    for ( it = hits.begin(); it != hits.end(); ++it )
+	    {
+		if ( (*it) == ship )
+		{
+		    switch( pup->rtti() )
+		    {
+		      case ID_ENERGY_POWERUP:
+			shipPower += 150;
+			if ( shipPower > MAX_POWER_LEVEL )
+			    shipPower = MAX_POWER_LEVEL;
+			break;
+		      case ID_TELEPORT_POWERUP:
+			mTeleportCount++;
+			break;
+		      case ID_BRAKE_POWERUP:
+			if ( mBrakeCount < MAX_BRAKES )
+			    mBrakeCount++;
+			break;
+		      case ID_SHIELD_POWERUP:
+			if ( mShieldCount < MAX_SHIELDS )
+			    mShieldCount++;
+			break;
+		      case ID_SHOOT_POWERUP:
+			if ( mShootCount < MAX_FIREPOWER )
+			    mShootCount++;
+			break;
+		    }
+
+		    powerups.removeRef( pup );
+		    vitalsChanged = TRUE;
+		}
+		else if ( (*it) == shield )
+		{
+		    powerups.removeRef( pup );
+		}
+		else if ( (*it)->rtti() == ID_MISSILE )
+		{
+		    if ( can_destroy_powerups )
+		    {
+		      powerups.removeRef( pup );
+		    }
+		}
+	    }
+	}
+    }         // -- if( powerups.isEmpty() )
+}
+
+// - - -
+
+void KAsteroidsView::hideShield()
+{
+    shield->hide();
+    mShieldCount = 0;
+    shieldOn = FALSE;
+}
+
+double KAsteroidsView::randDouble()
+{
+    int v = rand();
+    return (double)v / (double)RAND_MAX;
+}
+
+int KAsteroidsView::randInt( int range )
+{
+    return rand() % range;
+}
+
+void KAsteroidsView::showEvent( QShowEvent *e )
+{
+#if defined( QT_LICENSE_PROFESSIONAL )
+    static bool wasThere = FALSE;
+
+    if ( !wasThere ) {
+	wasThere = TRUE;
+	QMessageBox::information( this, tr("QCanvas demo"),
+				  tr("This game has been implemented using the QCanvas class.\n"
+				     "The QCanvas class is not part of the Professional Edition. Please \n"
+				     "contact Trolltech if you want to upgrade to the Enterprise Edition.") );
+    }
+#endif
+
+    QWidget::showEvent( e );
+}
diff --git a/examples/demo/qasteroids/view.h b/examples/demo/qasteroids/view.h
new file mode 100644
index 0000000..f09d1c3
--- /dev/null
+++ b/examples/demo/qasteroids/view.h
@@ -0,0 +1,138 @@
+/*
+ * KAsteroids - Copyright (c) Martin R. Jones 1997
+ *
+ * Part of the KDE project
+ */
+
+#ifndef __AST_VIEW_H__
+#define __AST_VIEW_H__
+
+#include <qwidget.h>
+#include <qptrlist.h>
+#include <qintdict.h>
+#include <qtimer.h>
+#include <qcanvas.h>
+#include "sprites.h"
+
+#define MAX_POWER_LEVEL          1000
+
+class KAsteroidsView : public QWidget
+{
+    Q_OBJECT
+public:
+    KAsteroidsView( QWidget *parent = 0, const char *name = 0 );
+    virtual ~KAsteroidsView();
+
+    int refreshRate;
+
+    void reset();
+    void setRockSpeed( double rs ) { rockSpeed = rs; }
+    void addRocks( int num );
+    void newGame();
+    void endGame();
+    void newShip();
+
+    void rotateLeft( bool r ) { rotateL = r; rotateSlow = 5; }
+    void rotateRight( bool r ) { rotateR = r; rotateSlow = 5; }
+    void thrust( bool t ) { thrustShip = t && shipPower > 0; }
+    void shoot( bool s ) { shootShip = s; shootDelay = 0; }
+    void setShield( bool s );
+    void teleport( bool te) { teleportShip = te && mTeleportCount; }
+    void brake( bool b );
+    void pause( bool p);
+
+    void showText( const QString &text, const QColor &color, bool scroll=TRUE );
+    void hideText();
+
+    int shots() const { return shotsFired; }
+    int hits() const { return shotsHit; }
+    int power() const { return shipPower; }
+
+    int teleportCount() const { return mTeleportCount; }
+    int brakeCount() const { return mBrakeCount; }
+    int shieldCount() const { return mShieldCount; }
+    int shootCount() const { return mShootCount; }
+
+signals:
+    void shipKilled();
+    void rockHit( int size );
+    void rocksRemoved();
+    void updateVitals();
+
+private slots:
+    void hideShield();
+
+protected:
+    bool readSprites();
+    void wrapSprite( QCanvasItem * );
+    void rockHit( QCanvasItem * );
+    void reducePower( int val );
+    void addExhaust( double x, double y, double dx, double dy, int count );
+    void processMissiles();
+    void processShip();
+    void processPowerups();
+    void processShield();
+    double randDouble();
+    int randInt( int range );
+
+    virtual void resizeEvent( QResizeEvent *event );
+    virtual void timerEvent( QTimerEvent * );
+
+    void showEvent( QShowEvent * );
+
+private:
+    QCanvas field;
+    QCanvasView view;
+    QIntDict<QCanvasPixmapArray> animation;
+    QPtrList<QCanvasSprite> rocks;
+    QPtrList<KMissile> missiles;
+    QPtrList<KBit> bits;
+    QPtrList<KExhaust> exhaust;
+    QPtrList<KPowerup> powerups;
+    KShield *shield;
+    QCanvasSprite *ship;
+    QCanvasText *textSprite;
+
+    bool rotateL;
+    bool rotateR;
+    bool thrustShip;
+    bool shootShip;
+    bool teleportShip;
+    bool brakeShip;
+    bool pauseShip;
+    bool shieldOn;
+
+    bool vitalsChanged;
+
+    int  shipAngle;
+    int  rotateSlow;
+    int  rotateRate;
+    int  shipPower;
+
+    int shotsFired;
+    int shotsHit;
+    int shootDelay;
+
+    int mBrakeCount;
+    int mShieldCount;
+    int mTeleportCount;
+    int mShootCount;
+
+    double shipDx;
+    double shipDy;
+
+    int  textDy;
+    int  mFrameNum;
+    bool mPaused;
+    int  mTimerId;
+
+    double rockSpeed;
+    double powerupSpeed;
+
+    bool can_destroy_powerups;
+
+    QTimer *shieldTimer;
+    bool initialized;
+};
+
+#endif