public Projectile(Game game, Model model, Vector3 pos, Vector3 vel, GameObjectType targetType)
     : base(game)
 {
     this.model = model;
     this.pos = pos;
     this.vel = vel;
     this.targetType = targetType;
     squareHitRadius = hitRadius * hitRadius;
 }
 public void Draw(Model model)
 {
     foreach (Shape shape in model.shapeList) {
         Draw(shape);
     }
 }