int xnum;
int ynum;
float xspace, yspace;

void setup(){
  size(640, 360);
  lights();
  noStroke();
  
  xnum = 1;
  ynum = 1;
  xspace = width / (xnum + 1);
  yspace = height / (ynum + 1);
}

void loop(){
  background(255);
  for(int x=0; x<xnum; x++){
    for(int y=0; y<ynum; y++){
      drawgraphic(x,y); 
    }
  }
  delay(2000);  
}

void drawgraphic(int x, int y){
  push();
    translate(xspace * (x+1), yspace * (y+1));
    translate(random(-150,150),random(-150,150));
    rotateX(random(0,6.28));
    rotateY(random(0,6.28));
    rotateZ(random(0,6.28));
    scale(random(2,10),random(2,10),random(2,4));
    int imax = int(random(15,50));
    float wmin = random(5,20);
    float wmax = random(20,80);
    float hmin = random(5,20);
    float hmax = random(20,80);
    float dmin = random(5,20);
    float dmax = random(20,80);
    for(int i=0; i<imax; i++){
      push();
        fill(i * 10 +random(50,80), random(50,80), random(50,80), 200);
        translate(random(-20,20),random(-20,20),random(-20,20));
        rotateX(random(0,6.28));
        rotateY(random(0,6.28));
        box(random(wmin,wmax), random(hmin,hmax), random(dmin,dmax));
      pop();
    }
  pop();
}