createCanvas(400, 400);

}

​

function draw() {

  background(255,255,0,30);

  //fill(r,g,b)

  //fill(grayscale);

  //fill(r,g,b, [alpha]);

  fill (255,0,0);

  stroke(0,255,0);

  strokeWeight(30);

  rect(50,80,170,150);

  fill (0,0,255);

    stroke(340,0,43);

  strokeWeight(20);

  ellipse(300,150,100,150);

  stroke(200,0,0,20);

  strokeWeight(2);

  fill(25,200,25,150)

  ellipse(mouseX,300,30,30)

  ellipse(300, mouseY,30,30)

  noStroke();

  ellipse(mouseX, mouseY,30,30)

  fill(255,0,25,50)

  ellipse(mouseX, mouseY,50,30)

  line(150,300,250,350);

}