let halfright 

let clicks = 0

​

function setup() {

  createCanvas(400, 400);

  halfleft = 0

  halfright = 0

}

​

function draw() {

  //background(220);

  noStroke()

}

​

function mousePressed() {

  background(225)

  if(mouseX < 200){

  fill(0)

  rect(0,0,200,400)

  }

  if(mouseX > 200){

  fill("black")

  rect(200,0,200,400)

  }

}