Autumn

let Ichi = [];

let Ugoki = [];

const NUM = 10;

​

function setup() {

  background(100);

  createCanvas(windowWidth, windowHeight);

  frameRate(15)

  for ( i = 0; i < NUM; i++){

  Ichi[i] = createVector(width/2,height/2);

  Ugoki[i] = createVector(random(-10,10),random(-10,10));

  }

  }

​

function draw() {

  noStroke();

  fill(random(200,255),random(100,255),random(100,120),150);

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

    ellipse(Ichi[i].x,Ichi[i].y,10,20);

    Ichi[i].add(Ugoki[i]);

    if (Ichi[i].x < 0 || Ichi[i].x > width){

      Ugoki[i].x = Ugoki[i].x * -1;

}

​

  if (Ichi[i].y < 0 || Ichi[i].y > height){

    Ugoki[i].y = Ugoki[i].y * -1;

  }

    }

    }