itch.io

class ballBehavior extends Sup.Behavior{
    
    private ballActor: Sup.Actor;
    private ballAngle: number;
    private ballPosition: Sup.Math.Vector3;
    private ballVelocity: number;
    
    constructor(ball) {
        super(ball);
        this.ballActor = new Sup.Actor("Ball");
        this.ballActor.setPosition(0, 0, 0);
        this.ballAngle = 0;
        this.ballPosition = new Sup.Math.Vector3;
        this.ballVelocity = 0;
        this.ballActor.addBehavior(ballBehavior);
    }
    
    update(){
        this.ballAngle += this.ballVelocity;
        
        //Constrains the angle between 0 and 2pi
        if(this.ballAngle > Math.PI * 2) this.ballAngle = 0 + this.ballAngle - Math.PI * 2;
        }else if (this.ballAngle < 0) this.ballAngle = Math.PI - this.ballAngle + Math.PI * 2;
        
        //Maybe a little spinback on the pointer?
        this.ballPosition = new Sup.Math.Vector3(Math.cos(this.ballAngle) * wheelActor.getLocalScaleX() * 100 / 100, Math.sin(this.ballAngle) * wheelActor.getLocalScaleX() * 100 / 100, 0);
            
        if(Sup.Input.wasKeyJustPressed("LEFT")) this.ballVelocity = 0.5;
    }
}

dont declare all variables into constructor, always on top of this