"Quando il cielo si è fermato"

class OrbitalPoint {
    constructor(centerPosition, distanceFromCenter, initialAngle, angleVelocity) {
        this.isVisible = true;
        this.centerPosition = centerPosition;
        this.distanceFromCenter = distanceFromCenter;
        this.angle = initialAngle;
        this.angleVelocity = angleVelocity;
        this.currentPosition = createVector();
        this.previousPosition = createVector();
        this.updatePosition();
        this.previousPosition.set(this.currentPosition);
        this.childPointArray = new SpriteArray();
    }
    step() {
        this.angle += this.angleVelocity;
        this.updatePosition();
        this.childPointArray.step();
    }
    draw() {
        if (this.isVisible) {
            line(this.previousPosition.x, this.previousPosition.y, this.currentPosition.x, this.currentPosition.y);
        }
        this.childPointArray.draw();
    }
    addChild(depth) {
        if (depth <= 0)
            return;
        const distanceFromCenter = random(60, 60) * unitLength; //gestico la distanza dal centro
        const initialAngle = random(TWO_PI);
        const angleVelocity = randomSign(random(0.1, 0.3)) * UNIT_ANGLE_VELOCITY; //gestisco velocità e traiettoria
        const newPoint = new OrbitalPoint(this.currentPosition, distanceFromCenter, initialAngle, angleVelocity);
        if (depth > 1)
            newPoint.isVisible = false;
        newPoint.addChild(depth - 1);
        this.childPointArray.push(newPoint);
    }
    updatePosition() {
        this.previousPosition.set(this.currentPosition);
        this.currentPosition.set(this.centerPosition.x + this.distanceFromCenter * cos(this.angle), this.centerPosition.y + this.distanceFromCenter * sin(this.angle));
    }
}