加速するキャンバス

mySketch
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let vecLoc = [];
let vecVel = [];
const num = 100;
​
function setup() {
  createCanvas(windowWidth, windowHeight);
  frameRate(30);
  background(255);
  
  for(let i = 0; i<num; i++){
    vecLoc[i] = createVector(width/2, height/2);
    vecVel[i] = createVector(random(-10,10),random(-10,10));
    
  }
   
}
​
function draw() {
  noStroke();
  
  for(let i = 0; i<num; i++){
    fill(random(255),random(255),random(255),random(200));
    ellipse(vecLoc[i].x,vecLoc[i].y,random(100),random(100));
    vecLoc[i].add(vecVel[i]);
    if(vecLoc[i].x > width || vecLoc[i].x < 0){
      vecLoc[i] = createVector(width/2, height/2);
    }
    if(vecLoc[i].y > width || vecLoc[i].y < 0){
      vecLoc[i] = createVector(width/2, height/2);
    }
}
}