void DelaunayPulseIn::start ( int which_target, float start_radius, float _max_brightness, float _speed )
{
target_index = which_target;
speed = _speed;
initial_radius = start_radius;
max_brightness = _max_brightness;
while ( !queued_pulses.empty() )
queued_pulses.pop();
// find all lights closer than start_radius and add
ofxVec2f source_pos( lights->getLight(which_target).getX(), lights->getLight(which_target).getY() );
const vector< int >& valid_lights = delaunay->getLights();
for ( int i=0; i< valid_lights.size(); i++ )
{
ofxVec2f test_pos( lights->getLight(valid_lights[i]).getX(), lights->getLight(valid_lights[i]).getY() );
float distance = (source_pos-test_pos).length();
if ( distance < start_radius && distance > start_radius*0.7f )
{
float brightness_pct = 1.0f-((distance-start_radius*0.7f)/(start_radius*0.7f));
float brightness = max_brightness*brightness_pct/**brightness_pct*/;
brightness *= ofRandom( 0.8f, 1.2f );
float rand = ofRandomuf();
rand*=rand;
queued_pulses.push( MovingPulse( valid_lights[i], brightness, rand*0.2f ) );
}
}
timer = 0;
}
const SourcePos &source_pos(const Instruction * ipos) const { return source_pos(ipos - &*m_instructions.begin()); }
