/** * drawing by attractor and repulser * * @author aa_debdeb * @date 2016/03/17 */ float G = 1.0; ArrayList<Particle> particles; ArrayList<Attractor> attractors; void setup(){ size(640, 640); frameRate(120); particles = new ArrayList<Particle>(); for(int i = 0; i < 300</particle></attractor></particle>…