protected override void Initialize()
{
// ----- Initialize Services.
// The services are stored in Game.Services to make them accessible for all
// game components.
// Add the input service, which manages device input, button presses, etc.
_inputManager = new InputManager(false);
Services.AddService(typeof(IInputService), _inputManager);
// Add the animation service.
_animationManager = new AnimationManager();
Services.AddService(typeof(IAnimationService), _animationManager);
// ----- Add GameComponents
// Initialize the sample factory methods. All samples must be added to this array
// to be shown.
_createSampleDelegates = new Func<Sample>[]
{
() => new BasicAnimationSample(this),
() => new CompositeAnimationSample(this),
() => new PathAnimationSample(this),
() => new EasingSample(this),
() => new CustomAnimationSample(this),
() => new CrossFadeSample(this),
() => new AnimatableObjectSample(this),
() => new BlendedAnimationSample(this),
() => new AdditiveAnimationSample(this),
() => new DoubleAnimationSample(this),
() => new StringAnimationSample(this),
};
// Start the first sample in the array.
_activeSampleIndex = 0;
_activeSample = _createSampleDelegates[0]();
Components.Add(_activeSample);
base.Initialize();
}
private void SwitchSamples()
{
// If left arrow or DPadLeft is pressed, we want to switch to the previous sample (index - 1).
int sampleIndexIncrement = 0;
if (_inputManager.IsPressed(Keys.Left, false) || _inputManager.IsPressed(Buttons.DPadLeft, false, PlayerIndex.One))
{
sampleIndexIncrement = -1;
}
// If right arrow or DPadRight is pressed, we want to switch to the next sample (index + 1).
if (_inputManager.IsPressed(Keys.Right, false) || _inputManager.IsPressed(Buttons.DPadRight, false, PlayerIndex.One))
{
sampleIndexIncrement = +1;
}
if (sampleIndexIncrement != 0)
{
// Switch samples.
// Stop current sample.
Components.Remove(_activeSample);
_activeSample.Dispose();
// Clean up memory.
GC.Collect();
// Get index of next sample.
_activeSampleIndex += sampleIndexIncrement;
if (_activeSampleIndex >= _createSampleDelegates.Length)
_activeSampleIndex = 0;
else if (_activeSampleIndex < 0)
_activeSampleIndex = _createSampleDelegates.Length - 1;
// Add next sample.
_activeSample = _createSampleDelegates[_activeSampleIndex]();
Components.Add(_activeSample);
}
}