int main(int argc, char **argv) {
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE | GLUT_ACCUM);
glutInitWindowSize(600,600);
glutCreateWindow("glLaserCanvas");
glutDisplayFunc(display);
glutMouseFunc(mouse);
long sync = 1;
CGLContextObj ctx = CGLGetCurrentContext();
CGLSetParameter (ctx, kCGLCPSwapInterval, &sync);
// have to init input to find the sample rate before setting up the filters
input_init();
biquad_lpf(&lpf_x, 1500, 0.6);
biquad_lpf(&lpf_y, 1500, 0.6);
glLoadIdentity();
glDrawBuffer(GL_FRONT);
glClearColor(0,0,0,1);
glClearAccum(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ACCUM_BUFFER_BIT);
glDrawBuffer(GL_BACK);
glReadBuffer(GL_BACK);
glAccum(GL_RETURN, 1.0);
//glutSwapBuffers();
glutMainLoop();
return 0;
}
void bf_est_reset(short fill) {
biquad_lpf(&bf_drift_lpf, 1.0/180.0, 0.3);
biquad_lpf(&bf_err_lpf, 1.0/10.0, 0.25);
biquad_lpf(&bf_err_deriv_lpf, 1.0/2.0, 0.2);
fill_count = 0;
bf_playback_rate = 1.0;
bf_est_err = bf_last_err = 0;
desired_fill = fill_count = 0;
}
