4

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(50);

}

​

function draw() {

  x=random(0,255);

  y=random(0,255);

  z=100;

  background(5,5);

  fill(x,y,z,100)

  noStroke();

    line(mouseX, mouseY,mouseX, mouseY);

  stroke(255) 

  ellipse(mouseX, mouseY, 30,30);

  ellipse(mouseX+2000*mouseX/windowWidth, mouseY, 30,30);

  ellipse(mouseX+800*mouseX/windowWidth, mouseY+500*mouseY/windowHeight, 30,30);

    ellipse(mouseX, mouseY+500*mouseY/windowHeight, 30,30);

  if(mouseIsPressed){

  ellipse(mouseX, mouseY, 100,100);

  ellipse(mouseX+500*mouseX/windowWidth, mouseY,100,100);

  ellipse(mouseX+500*mouseX/windowWidth, mouseY+500*mouseY/windowHeight, 100,100);

    ellipse(mouseX, mouseY+500*mouseY/windowHeight, 100,100);

  }

}