​

function preload(){

  fruits=loadImage("fruits.png")

}

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  let x=floor(random(fruits.width))

  let y=floor(random(fruits.height))

  let mycolor=color(0);

  fruits.loadPixels()

  fruits.set(x,y,mycolor)

  fruits.updatePixels()

  image(fruits,0,0)

  //let c=fruits.get(mouseX,mouseY)

  //fill(c)

  //square(mouseX,mouseY,50)

}