/// <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) ||
Keyboard.GetState().IsKeyDown(Keys.Escape))
{
#if !__IOS__
this.Exit();
#endif
}
//update the timer
_clock.Update(gameTime);
//update the input
_inputState.Update();
_inputWrapper.Update(_inputState, false);
//check veritcal movement
if (_inputWrapper.Controller.CheckKeystrokeHeld(EKeystroke.Up))
{
_circle1.Translate(0.0f, -circleMovementSpeed * _clock.TimeDelta);
}
else if (_inputWrapper.Controller.CheckKeystrokeHeld(EKeystroke.Down))
{
_circle1.Translate(0.0f, circleMovementSpeed * _clock.TimeDelta);
}
//check horizontal movement
if (_inputWrapper.Controller.CheckKeystrokeHeld(EKeystroke.Forward))
{
_circle1.Translate(circleMovementSpeed * _clock.TimeDelta, 0.0f);
}
else if (_inputWrapper.Controller.CheckKeystrokeHeld(EKeystroke.Back))
{
_circle1.Translate(-circleMovementSpeed * _clock.TimeDelta, 0.0f);
}
//add camera shake when the two circles crash into each other
if (CollisionCheck.CircleCircleCollision(_circle1, _circle2))
{
if (!_colliding)
{
_camera.AddCameraShake(0.25f);
}
_colliding = true;
}
else
{
_colliding = false;
}
//update the camera
_camera.Update(_clock);
base.Update(gameTime);
}
