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author | Timothy Pearson <[email protected]> | 2012-01-01 18:29:30 -0600 |
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committer | Timothy Pearson <[email protected]> | 2012-01-01 18:29:30 -0600 |
commit | b2af005db21bd8fd068cb79b2ae700953128af2c (patch) | |
tree | abd0ed633726bf0bbecb57d30e92836c31e02695 /PerlTQt/examples/opengl/box/GLBox.pm | |
parent | c1b9383f2032d82db5eb8918dca885e37a901dde (diff) | |
download | libtqt-perl-b2af005db21bd8fd068cb79b2ae700953128af2c.tar.gz libtqt-perl-b2af005db21bd8fd068cb79b2ae700953128af2c.zip |
Move PerlQt
Diffstat (limited to 'PerlTQt/examples/opengl/box/GLBox.pm')
-rw-r--r-- | PerlTQt/examples/opengl/box/GLBox.pm | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/PerlTQt/examples/opengl/box/GLBox.pm b/PerlTQt/examples/opengl/box/GLBox.pm new file mode 100644 index 0000000..1c6ceb8 --- /dev/null +++ b/PerlTQt/examples/opengl/box/GLBox.pm @@ -0,0 +1,149 @@ +package GLBox; + +use OpenGL qw(:all); + +use strict; + +use TQt; +use TQt::isa qw(TQt::GLWidget); +use TQt::slots + setXRotation => ['int'], + setYRotation => ['int'], + setZRotation => ['int']; +use TQt::attributes qw( + xRot + yRot + zRot + scale + object + list +); + +sub NEW { + shift->SUPER::NEW(@_); + xRot = yRot = zRot = 0.0; + scale = 1.25; + object = undef; +} + +sub paintGL +{ + glClear( GL_COLOR_BUFFER_BIT ); + glClear( GL_DEPTH_BUFFER_BIT ); + + glLoadIdentity(); + glTranslatef( 0.0, 0.0, -10.0 ); + glScalef( scale, scale, scale ); + + glRotatef( xRot, 1.0, 0.0, 0.0 ); + glRotatef( yRot, 0.0, 1.0, 0.0 ); + glRotatef( zRot, 0.0, 0.0, 1.0 ); + + glCallList( object ); +} + +sub initializeGL +{ + qglClearColor( &black ); # Let OpenGL clear to black + object = makeObject(); # Generate an OpenGL display list + glShadeModel( GL_FLAT ); + glEnable( GL_DEPTH_TEST ); +} + +# Set up the OpenGL view port, matrix mode, etc. + +sub resizeGL +{ + my $w = shift; + my $h = shift; + glViewport( 0, 0, $w, $h ); + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 ); + glMatrixMode( GL_MODELVIEW ); +} + +# Generate an OpenGL display list for the object to be shown, i.e. the box + +sub makeObject +{ + my $list = glGenLists( 1 ); + + glNewList( $list, GL_COMPILE ); + + qglColor( &darkGreen ); # Shorthand for glColor3f or glIndex + + glLineWidth( 2.0 ); + + glBegin( GL_TQUADS ); + glVertex3f( 1.0, 0.5, -0.4 ); + glVertex3f( 1.0, -0.5, -0.4 ); + glVertex3f( -1.0, -0.5, -0.4 ); + glVertex3f( -1.0, 0.5, -0.4 ); + glEnd(); + + qglColor( &blue ); + + glBegin( GL_TQUADS ); + glVertex3f( 1.0, 0.5, 0.4 ); + glVertex3f( 1.0, -0.5, 0.4 ); + glVertex3f( -1.0, -0.5, 0.4 ); + glVertex3f( -1.0, 0.5, 0.4 ); + glEnd(); + + qglColor( &darkRed ); + + glBegin( GL_TQUAD_STRIP ); + glVertex3f( 1.0, 0.5, -0.4 ); glVertex3f( 1.0, 0.5, 0.4 ); + glVertex3f( 1.0, -0.5, -0.4 ); glVertex3f( 1.0, -0.5, 0.4 ); + qglColor( &yellow ); + glVertex3f( -1.0, -0.5, -0.4 ); glVertex3f( -1.0, -0.5, 0.4 ); + qglColor( &green ); + glVertex3f( -1.0, 0.5, -0.4 ); glVertex3f( -1.0, 0.5, 0.4 ); + qglColor( &lightGray ); + glVertex3f( 1.0, 0.5, -0.4 ); glVertex3f( 1.0, 0.5, 0.4 ); + glEnd(); + + glEndList(); + + return $list; +} + + + +# Set the rotation angle of the object to \e degrees around the X axis. + +sub setXRotation +{ + my $deg = shift; + xRot = $deg % 360; + updateGL(); +} + + +# Set the rotation angle of the object to \e degrees around the Y axis. + +sub setYRotation +{ + my $deg = shift; + yRot = $deg % 360; + updateGL(); +} + + +# Set the rotation angle of the object to \e degrees around the Z axis. + +sub setZRotation +{ + my $deg = shift; + zRot = $deg % 360; + updateGL(); +} + +sub DESTROY +{ +# makeCurrent(); + glDeleteLists( object, 1 ); +} + +1; |