int x=20; int y=20; int dx=12; int dy=19; void setup () { size(600,600); background(0,0,255); }

void draw(){

fill(random(255),random(255),random(255)); x=dx+x; y=dy+y; if (x>600) dx=dx-1; if (y>600) dy=dy-1; if (x<0) dx=dx-1; if(y<0) dy=dy-1; ellipse(x,y, 20,20); quad(x,y, random(10),random(10),random(100),random(10),random(10),random(10)); — layout: post title: game —