/**
3D-function experiment by <a href="http://www.local-guru.net/blog">guru</a>
*/

void setup() {
  size(300,300,P2D);
}

void draw() {
  background(255);
  fill(0);
  for( int x = 0; x < 10; x++ ) {
    for( int y = 0; y < 10; y++) {
      float r = sin(radians(x*y)*map(mouseX,0,width,0,6) + map(mouseY,0,height,0,6))*15+17;
       ellipse( 15 + x * 30 , 15 + y * 30, r, r );
    }
  }
}