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let num = 15;
let vecLocation = [];
let vecVelocity = [];
function setup() {
createCanvas(windowWidth, windowHeight);
frameRate(40);
for (let i = 0; i < num; i++) {
vecLocation[i] = createVector(width / 2, height / 2);
vecVelocity[i] = createVector(random(-10, 10), random(-10, 10));
}
}
function draw() {
background(148,30,55);
noStroke();
for (let i = 0; i < num; i++) {
vecVelocity[i].add(random(-0.8,0.8))
vecLocation[i].add(vecVelocity[i]);
fill(200);
ellipse(vecLocation[i].x, vecLocation[i].y, 80, 80);
fill(0);
ellipse(vecLocation[i].x + random(-10,10), vecLocation[i].y +random(-10,10), 50, 50);
if (vecLocation[i].x < 0 || vecLocation[i].x > width) {
vecVelocity[i].x = vecVelocity[i].x * -1;
}
if (vecLocation[i].y < 0 || vecLocation[i].y > height) {
vecVelocity[i].y = vecVelocity[i].y * -1;
}
}
}