int radius = 50;

void setup(){
  size(400,400);
  fill(255);
  //background(0,0,255);
}

void draw(){
  background(0,0,255);
  //fill(255);
  ellipse(mouseX,mouseY,30,30);
  ellipse(mouseX+50,mouseY-25,30,30);
  //background(0,0,255);
}