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#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);
}
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