Processing - 15 - マウス座標と円の移動

void setup(){
  size(320,480);
  noStroke();
}

void draw(){
  background(124,235,235); 
  ellipse(50 ,mouseY-100,40,40);
  ellipse(100,mouseY-50 ,40,40);
  ellipse(150,mouseY    ,40,40);
  ellipse(200,mouseY+50 ,40,40);
  ellipse(250,mouseY+100,40,40);  
}