1 files changed, 98 insertions, 0 deletions
diff --git a/debian/fireflies/fireflies-2.08/src/bait.cc b/debian/fireflies/fireflies-2.08/src/bait.cc
new file mode 100644
index 00000000..417b9b72
--- /dev/null
+++ b/debian/fireflies/fireflies-2.08/src/bait.cc
@@ -0,0 +1,98 @@
+#include "bait.h"
+#include "modes.h"
+#include "scene.h"
+
+Bait::Bait()
+    : Arrow()
+{
+    age = rand_real(0., 10.);
+    fuzz = rand_real(0.7, 1.4);
+    glow = false;
+    attractor = 0;
+    bait_start_mode(this, BMODE_NORMAL);
+
+    hsv[0] = 30.0*rand_int(0, 12); // initial hue
+    turn_delay = rand_real(1., 4.);
+    turn_when = age + rand_real(0.5, turn_delay);
+    pos = Vec3f(
+	    rand_real(-world[0], world[0]),
+	    rand_real(-world[1], world[1]),
+	    rand_real(-world[2], world[2]));
+    velocity = bspeed*unit_vec(-pos);
+
+    for (int i = 0; i < 3; i++) {
+	if (rand_int(0, 1)==0)	accel[i] = -baccel;
+	else			accel[i] = baccel;
+    }
+
+    set_color();
+
+#ifdef DEBUG
+    cerr << "bait: " << bspeed << " and " << baccel
+	 << "\tflies: " << fspeed << " and " << faccel << endl;
+#endif
+}
+
+void Bait::draw()
+{
+    if (!scene.draw_bait)
+	return;
+
+    glPushMatrix();
+    Arrow::draw();
+    glPopMatrix();
+}
+
+void Bait::elapse(double t)
+{
+    hsv[0] += hue_rate*t;
+    age += t;
+
+    if (age >= mode_when)
+	bait_start_mode(this, mode_next);
+    while (stop_timer.is_ready(age))
+	bait_stop_mode(this, stop_timer.pop());
+
+    calc_accel();
+    velocity += accel*t;
+    clamp_vec(velocity, bspeed);
+    pos += velocity*t;
+
+    point(velocity);
+    set_color();
+}
+
+void Bait::calc_accel()
+{
+    if (attractor) {
+	accel = baccel*unit_vec((*attractor) - pos);
+	return;
+    }
+
+    // time to turn
+    if (age >= turn_when) {
+	for (int i = 0; i < 3; i++) {
+	    if (rand_int(0, 1) == 0)
+		accel[i] = -SIGN(accel[i])*baccel;
+	}
+	turn_when = age + rand_real(0.5, turn_delay);
+    }
+
+    for (int i = 0; i < 3; i++) {
+	if (pos[i] < -world[i])		accel[i] = baccel;
+	else if (pos[i] > world[i])	accel[i] = -baccel;
+    }
+}
+
+void Bait::set_color()
+{
+    // keep everything as before
+
+    // clamp to my range
+    while (hsv[0] > 360.f)
+	hsv[0] -= 360.f;
+    while (hsv[0] < 0.f)
+	hsv[0] += 360.f;
+
+    color = hsv_to_rgb(hsv);
+}