/// <summary>
///
/// </summary>
/// <param name="gameTime"></param>
public override void Update(GameTime gameTime)
{
if (Input.XInputHelper.GamePads[PlayerIndex.One].APressed)
{
this.mStickedToVausSecs = 0f;
}
float dt = (float)gameTime.ElapsedGameTime.TotalSeconds;
switch (mBallState)
{
case eBallState.Normal:
if (mStickedToVausSecs > 0)
{
this.mPosition = mGame.mVaus.mPosition + this.mStickedToVausOffset;
mStickedToVausSecs -= dt;
}
else
{
mStickedToVausSecs = 0f;
this.CheckCollisions(dt);
// Refresh ball position
this.mPosition.X = (float)this.mPosition.X + (this.mDir.X * this.mSpeed * this.mMultVelocidad * dt);
this.mPosition.Y = (float)this.mPosition.Y + (this.mDir.Y * this.mSpeed * this.mMultVelocidad * dt);
// Check fallen ball
if (this.mPosition.Y > (mGame.mGameRectangle.Y + mGame.mGameRectangle.Height - mRadiusPixels))
{
Sound.Sound.Play(eSounds.Death);
this.mBallState = eBallState.Dying;
this.mDyingColor = new Vector4(1f, 1f, 1f, 1f);
this.mDyingTime = 2;
}
}
// Balls will be drawn with Pos in the center of the sprite, instead of top left
// corner. Just to make calcs easier
mDrawingRectangle = new Rectangle((int)(this.mPosition.X - mRadiusPixels), (int)(this.mPosition.Y - mRadiusPixels), (int)this.mDiameterPixels, (int)this.mDiameterPixels);
break;
case eBallState.Dying:
this.mDyingTime -= dt;
this.mDyingColor.W -= dt;
if (this.mDyingTime <= 0)
{
this.mBallState = eBallState.Dead;
}
break;
}
base.Update(gameTime);
}
/// <summary>
/// Balls are created dynamically inside a game or when the game is reset, not when
/// game starts. Thats why I pass the texture and spriteBatch as a parameter in the constructor
/// instead of assigning them in the LoadGraphicsContent, which will be called just once at game start
/// </summary>
public Ball(XNArkanoidGame pGame) : base(pGame)
{
this.mGame = pGame;
this.mDiameterPixels = 16;
this.mRadiusPixels = 8;
this.mDir = new Vector2(1f, -1f);
this.mDir.Normalize();
this.mSpeed = cSpeedNormal;
this.mBallState = eBallState.Normal;
//XNArkanoid.mKeyboard.KeyDown += new global::XNArkanoid.Input.KeyboardInput.KeyDelegate(mKeyboard_KeyDown);
}
