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function setup() {
createCanvas(windowWidth, windowHeight);
}
function draw() {
background(255);
strokeWeight(6)
for(let x = 0; x < height; x = x + 40){
fill(255, 0, 0)
circle(/*cordX*/width/2 + map(x, 0, height, 0, mouseX-width/2), /*cordY*/height/2 + map(x, 0, height, 0, mouseY-height/2), /*raggio cerchio*/ map(x, 0, height, height, 0))
}
}