/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
// TODO: Add your update logic here
//mouse resets score when clicked
mouseStateCurrent = Mouse.GetState();
if (mouseStateCurrent.LeftButton == ButtonState.Pressed && mouseStatePrev.LeftButton == ButtonState.Released)
{
leftCount = rightCount = 0;
}
mouseStatePrev = mouseStateCurrent;
left.Update(gameTime);
right.Update(gameTime);
mBall.Update(gameTime);
// new logic
if (mBall.center.X - mBall.Source.Width <= left.center.X && mBall.center.X - mBall.Source.Width >= left.center.X - CUSHION) // range "in" the paddle where the paddle can return the ball
{
float dist = mBall.center.Y - left.center.Y + mBall.Radius();
if (Math.Abs(dist) <= left.Source.Height / 2)
{
mBall.mSpeed.Y = (float)Math.Pow(Math.Abs(dist), 1.5);
mBall.mDirection.X = 1;
if (dist > 0)
{
mBall.mDirection.Y = 1;
}
else
{
mBall.mDirection.Y = -1;
}
mBall.mSpeed.X += X_SCALE / (Math.Abs(dist) + .5f); // the .5f is there so we don't divide by 0
}
}
if (mBall.center.X + mBall.Source.Width >= right.center.X && mBall.center.X + mBall.Source.Width <= right.center.X + CUSHION)
{
float dist = mBall.center.Y - right.center.Y + mBall.Radius();
if (Math.Abs(dist) <= right.Source.Height / 2)
{
mBall.mSpeed.Y = (float)Math.Pow(Math.Abs(dist), 1.5);
mBall.mDirection.X = -1;
if (dist > 0)
{
mBall.mDirection.Y = 1;
}
else
{
mBall.mDirection.Y = -1;
}
mBall.mSpeed.X += X_SCALE / (Math.Abs(dist) + .5f);
}
}
if (mBall.Position.Y > GraphicsDevice.Viewport.Height - mBall.Source.Height || mBall.Position.Y < 0) //top and bottom
{
mBall.mDirection.Y *= -1;
}
if (mBall.mSpeed.X >= mBall.MaxSpeed())
{
mBall.mSpeed.X = mBall.MaxSpeed();
}
if (mBall.mSpeed.Y >= mBall.MaxSpeed())
{
mBall.mSpeed.Y = mBall.MaxSpeed();
}
if (mBall.Position.X < 0)
{
leftCount++; //score
mBall.Position.X = GraphicsDevice.Viewport.Width / 2 - mBall.Source.Width / 2;
mBall.Position.Y = GraphicsDevice.Viewport.Height / 2 - mBall.Source.Height / 2;
mBall.mSpeed = Vector2.Zero;
mBall.mDirection = Vector2.Zero;
left.speedReset();
right.speedReset();
}
if (mBall.Position.X + mBall.Source.Width > GraphicsDevice.Viewport.Width)
{
rightCount++; //score
mBall.Position.X = GraphicsDevice.Viewport.Width / 2 - mBall.Source.Width / 2;
mBall.Position.Y = GraphicsDevice.Viewport.Height / 2 - mBall.Source.Height / 2;
mBall.mSpeed = Vector2.Zero;
mBall.mDirection = Vector2.Zero;
left.speedReset();
right.speedReset();
}
//disallow paddles from going off screen
if (left.Position.Y + left.Source.Height > GraphicsDevice.Viewport.Height)
{
left.Position.Y = GraphicsDevice.Viewport.Height - left.Source.Height;
}
if (left.Position.Y < 0)
{
left.Position.Y = 0;
}
if (right.Position.Y + right.Source.Height > GraphicsDevice.Viewport.Height)
{
right.Position.Y = GraphicsDevice.Viewport.Height - right.Source.Height;
}
if (right.Position.Y < 0)
{
right.Position.Y = 0;
}
//tickCounter++; //interval to increase paddle speed
//if (tickCounter == 100)
//{
// left.speedUp();
// right.speedUp();
// tickCounter = 0;
//}
base.Update(gameTime);
}
