function setup() {
createCanvas(windowWidth, windowHeight);
background(100);

}

function draw() {
background(mouseX-10 %256, mouseY-10 %256,0)
ellipse(mouseX , mouseY, 40,80);
ellipse(mouseX+50 , mouseY, 40,60);
ellipse(mouseX+100 , mouseY-30, 40,80);
ellipse(mouseX+150 , mouseY, 40,60);
ellipse(mouseX+200 , mouseY, 40,80);
fill(mouseX %256, mouseY%256,0);
stroke(152,55,52) //color("#16進位")
strokeWeight(10) //choose nostroke
}