void Radar::update_aframe() {
polar_point pp = polar_aframe_points[change_index];
float phi_change = ofRandom(2)-1;
pp.phi += phi_change;
pp.phi = clamp(pp.phi, PI/3, PI);
polar_aframe_points.at(change_index) = pp;
ofPoint p = polar_to_cartesian(pp.r, pp.theta, pp.phi);
aframe_points.at(change_index) = p;
compute_bezier_from_aframe();
compute_lines_from_bezier();
}
void Radar::init_aframe() {
// Initialize aframe (both polar/normal points)
for (int i = 0; i < point_count; i++) {
float theta = i * thetaStep;
float phi = ofRandom(PI);
phi = clamp(phi, PI/3, 2*PI/3);
polar_point pp = polar_point();
pp.r = 200;
pp.theta = theta;
pp.phi = phi;
polar_aframe_points.push_back(pp);
aframe_points.push_back(polar_to_cartesian(pp.r, pp.theta, pp.phi));
}
}
// ------------------------------------------------------------------ process --
void SPECTACLE2_BASE::process(const float *buf, const int)
{
DPRINT("SPECTACLE2_BASE::process\n");
const bool reading_input = (currentFrame() < _input_end_frame);
if (reading_input) {
DPRINT1("taking input...currentFrame()=%d\n", currentFrame());
prepare_input(buf);
_fft->r2c();
cartesian_to_polar();
}
modify_analysis(reading_input);
polar_to_cartesian();
_fft->c2r();
prepare_output();
}
