Java, Simulation, Programming, Science, Coding.
event.getB(); for (int i = 0; i < particles.length; i++) particles[i].move(event.getTime() - t); t = event.getTime(); if (a != null && b != null) a.bounceOff(b); else if (a != null && b == null) a.bounceOffVerticalWall(); else if (a == null && b != null) b.bounceOffHorizontalWall(); else if (a ==