public override void Update(GameTime gameTime)
{
ObjectManager obj = ObjectManager.GetInstance();
Paddle p1 = obj.GetPaddle();
KeyboardState kb = Keyboard.GetState();
if (!_isInPlay)
{
SetVelocity(p1.GetVelocity());
if (kb.IsKeyDown(Keys.Space))
{
SetVelocity(_movementSpeed, -_movementSpeed);
_isInPlay = true;
}
}
else
{
//Pause the ball // TODO: make a cheat
if (kb.IsKeyDown(Keys.P))
{
if (GetVelocity() == Vector2.Zero)
{
SetVelocity(_oldVelocity);
}
else
{
_oldVelocity = GetVelocity();
SetVelocity(Vector2.Zero);
}
}
// Wall Collision
// Right wall
if ((GetPosition().X + GetBoundingBox().Width) >= obj.WindowBounds.Width)
{
SetVelocity(GetVelocity().X * -1, GetVelocity().Y);
}
// Left wall
if (GetPosition().X <= 0)
{
SetVelocity(GetVelocity().X * -1, GetVelocity().Y);
}
// Top wall
if (GetPosition().Y <= 0)
{
SetVelocity(GetVelocity().X, GetVelocity().Y * -1);
}
// Bottom wall
if ((GetPosition().Y + GetBoundingBox().Height) >= obj.WindowBounds.Height || kb.IsKeyDown(Keys.R))
{
// reset ball
_isInPlay = false;
SetVelocity(Vector2.Zero);
SetPosition(GetStartPosition());
_fRotation = 1.0f;
_fSpinSpeed = 0.1f;
// reset paddle
p1.SetPosition(p1.GetStartPosition());
}
// Paddle Collision
Rectangle currentRect = GetCollisionBox();
Rectangle paddleRect = p1.GetCollisionBox();
if (currentRect.Intersects(paddleRect)) //TODO seriously ??? sad... just sad...
{
if (GetOldPosition().X < GetPosition().X)
{
SetVelocity(GetVelocity().X, GetVelocity().Y * -1);
}
else if (GetOldPosition().X > GetPosition().X)
{
SetVelocity(GetVelocity().X, GetVelocity().Y * -1);
}
else
{
SetVelocity(GetVelocity() * -1);
}
}
// Brick Collision
foreach (Brick brick in obj.GetBricks())
{
if (brick.GetCollisionBox().Intersects(GetCollisionBox())) // TODO this is terrible collision detection
{
SetVelocity(GetVelocity() * -1);
brick.IsVisable = false;
brick.IsActive = false;
break;
}
}
}
// Update the position
base.Update(gameTime);
// Update the rotation
_fRotation += _fSpinSpeed;
}