字母跑馬燈

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(0);

}

​

function draw() {

  background(0);

  colorMode(HSB);

  translate(width/2,height/2);

  for(let i=0 ; i < 400 ; i++){

    let ang = i/10 + frameCount /100;

    let r = i + noise(i/10)*map(mouseX,0,width,0,100);

    fill(i%360,80,80);

    textSize(20)

    text("mamamoo"[i%7],cos(ang)*r, sin(ang)*r)

    // ellipse(cos(ang)*r, sin(ang)*r, 50);

  }

}