unit 2 1.1

function setup() {
  createCanvas(400, 400);
}

function draw() {
  var x=200
  var y=200
  fill(0,255,0)
  background(220);
  
  if(mouseX>150){
    x=230
  }
  
  if(mouseX<75){
    x=170
  }
  
  if(mouseY>200){
    y=230}
  
  if(mouseY<100){
    y=170
  }
  
  ellipse(x,y,30,30)
  
}

https://preview.p5js.org/nicepelican061/present/KcCJc17c7

function setup() {
  createCanvas(400, 400);
}

function draw() {
  var x=60
  fill(0,255,0)
  background(220);

  if(mouseX>200){
    x=30
  }
  
  if(mouseY<200){
    fill(255,0,0)
  }
  
  ellipse(200,200,x,x)
}

https://preview.p5js.org/nicepelican061/present/h3OjkRUBs