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function setup() {
createCanvas(windowWidth, windowHeight);
background(0);
}
function draw() {
stroke(255, 255, 255, 10);
//stroke(255, 255, 255, 100);
noFill();
//fill(255, 255, 255, 10);
//point(mouseX, mouseY);
ellipse(mouseX, mouseY, 100, 50);
ellipse(mouseX, mouseY, 50, 100); // position x, y, width, height
//line(0, 0, mouseX, mouseY);
}