public void draw() {
background(0);
noStroke();
fill(255);
if (physics.particles.size() < NUM_PARTICLES) {
addParticle();
}
physics.update();
for (Iterator<pma_ParticleVerlet> i = physics.particles.iterator(); i.hasNext(); ) {
pma_ParticleVerlet p = i.next();
ellipse(p.x, p.y, 5, 5);
}
// text("fps: " + frameRate, 20, 20);
}
