createCanvas(400, 400);

}

​

function draw() {

  background(220);

​

  let y2 = map(mouseY, 390,390, 10,10, true);

  strokeWeight(5);

  line(0,200, 150,mouseX);

  line(400,200, 250,mouseX);

  noFill();

  circle(200,pmouseY, 50);

  //triangle()

}