public void SetBallVelocityAfterCollision(Ball ball)
{
ChangeVelocityToUp(ball);
_zones = new ShipZones(_ship);
if(_zones.HitFarthestLeftZone(ball))
{
ball.Velocity.X = -3.5f;
}
else if(_zones.HitFarthestRightZone(ball))
{
ball.Velocity.X = 3.5f;
}
else if (_zones.HitFarLeftZone(ball))
{
ball.Velocity.X = -2.0f;
}
else if (_zones.HitFarRightZone(ball))
{
ball.Velocity.X = 2.0f;
}
else if (_zones.HitMiddleLeftZone(ball))
{
ball.Velocity.X = -1.0f;
}
else if (_zones.HitMiddleRightZone(ball))
{
ball.Velocity.X = 1.0f;
}
else if(_zones.HitCentreRightZone(ball))
{
ball.Velocity.X = 0.5f;
}
}
private static void ChangeVelocityToUp(Ball ball)
{
if (Math.Sign(ball.Velocity.Y) >= 0)
ball.Velocity.Y = -(ball.Velocity.Y);
}
public BallAndBrickCollisionHandler(Ball ball)
{
_ball = ball;
}
public bool HitMiddleLeftZone(Ball ball)
{
return ball.Position.X < (_ship.Left + _shipSection * 3);
}
public bool HitMiddleRightZone(Ball ball)
{
return ball.Position.X > (_ship.Right - _shipSection * 3);
}
public bool HitFarthestLeftZone(Ball ball)
{
return ball.Position.X < (_ship.Left + _shipSection);
}
public bool HitFarthestRightZone(Ball ball)
{
return ball.Position.X > (_ship.Right - _shipSection);
}
public bool HitCentreRightZone(Ball ball)
{
return ball.Position.X > (_ship.Center.X);
}
private void Remove(Ball ball)
{
_balls.Remove(ball);
}
private bool IsBallDead(Ball ball)
{
Rectangle viewport = _world.GetViewport();
return !viewport.Contains(new Point(
(int)ball.Position.X,
(int)ball.Position.Y));
}
private void HandleBallDeath(Ball ball)
{
Remove(ball);
if (_balls.Count == 0)
_world.HandleLostLife();
}
public void Add(Ball ball)
{
_balls.Add(ball);
}