//import processing.opengl.*; import java.util.Vector; int xsize = 400; int ysize = 400; int nr_of_particles= 100; color c = color(100,100,0); Particle[] particles = new Particle[nr_of_particles]; Particle[] particles2 = new Particle[nr_of_particles]; Vector particlev = new Vector(); BoolMap bm = new BoolMap(xsize,ysize); void setup() { size(xsize,ysize); frameRate(60); /* for(int i=0;i