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function setup() {
createCanvas(400, 400);
}
let on = false;
function draw() {
background(220);
stroke(0);
noFill();
rectMode(CENTER);
rect(200,200,100,100);
if(mouseX<=250 && mouseX>=150 && mouseY<=250 && mouseY>=150){
fill(255,0,200);
if(on == true){
clear();
background(220);
ellipse(200,200,100);
}
if(on == false){
clear();
background(220);
rectMode(CENTER);
rect(200,200,100,100);
}
}
}
function mousePressed(){
if(mouseX<=250 && mouseX>=150 && mouseY<=250 && mouseY>=150){
on = !on;
}
}