SOURCE

let x = 40
let y = 35
function setup() {
    createCanvas(400, 340)
}
function draw() {
    background(90, 120, 100)
    fill(255)
    noStroke()
    rect(20, 0, 40, 170)
    rect(50, 210, 40, 90)
    rect(20, 100, 120, 40)
    rect(120, 10, 40, 200)
    rect(250, 60, 40, 220)
    rect(160, 50, 180, 40)
    rect(340, 20, 40, 340)
    rect(320, 60, 40, 0)
    rect(20, 200, 350, 40)
    rect(50, 270, 240, 40)

    fill(250, 180, 10)
    ellipse(x, y, 25, 25)
    if (keyIsPressed) {
        if (keyCode == 37) {
            x -= 2
        }
        else if (keyCode == 39) {
            x += 2
        }
        else if (keyCode == 38) {
            y -= 2
        }
        else if (keyCode == 40) {
            y += 2
        }
    }
}


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