createCanvas(400, 400);

}

​

function draw() {

  background(120);

  rectMode(CENTER);

  //interior, last one is alpha = transparency

  fill(100, 225, 0, 150);

  noStroke(100,0,0);

  rect(200, 200, 150, 150);

  noFill(150, 0, 0);

  //outline

  stroke(0, 0, 150);

  //outline thickness

  strokeWeight(5);

  ellipse(150, 250, 100, 75);

  stroke(0)

  strokeWeight(1);

  fill(100, 0, 0);

  circle(275, 75, 30);

  fill(100, 0, 100, 50);

  strokeWeight(5)

  stroke(150, 0, 150, 100)

  triangle(225, 250, 275, 350, 325, 250);

  //triangle that is not there

  erase(100, 255);

  noStroke();

  triangle(250, 270, 275, 320, 300, 270)

  //back to normal

  noErase();

}  

​