SOURCE

console 命令行工具 X clear

                    
>
console
function setup(){
    createCanvas(600,600);
    rectMode(CENTER);
    background(0);
}
function draw(){
    push();
    translate(100,300);
    scale(map(mouseX,0,300,0,1));
    ellipse(0,0,50,50);
    pop();
    push();
        translate(300,300);
    scale(map(mouseX,0,300,0,3));
    ellipse(0,0,100,100);
    pop();
        push();
        translate(500,300);
    scale(map(mouseX,0,300,0,5));
    ellipse(0,0,30,30);
    pop();
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.1.9/p5.min.js"></script>

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