/// <summary>
/// Updates this instance.
/// </summary>
/// <param name="deltaTime">
/// The amount of time, in seconds, that have passed since
/// the last update. Usually gathered from GameTime.ElapsedTime.TotalSeconds
/// </param>
public override void Update(float deltaTime)
{
if (Animating && !Paused)
{
// Using an epsilon of 0.0001 to check for equality between
// the FrameTimer (double) and duration (float). This is to handle
// edge cases where precision loss in the float may cause this to
// skip.
if (Math.Abs(FrameTimer - CurrentFrame.Duration) < 0.0001)
{
// We're at the beginning of the frame so invoke the
// Action
OnFrameBegin?.Invoke();
}
// Decrement the frame timer
FrameTimer -= deltaTime;
// Check if we need to move on to the next frame
if (FrameTimer <= 0)
{
AdvanceFrame();
}
}
}
/// <summary>
/// Updates this
/// </summary>
/// <param name="deltaTime">
/// The amount of time, in seconds, that have passed since
/// the last update. Usually gathered from GameTime.ElapsedTime.TotalSeconds
/// </param>
public override void Update(float deltaTime)
{
if (Animating)
{
// Using an epsilon of 0.0001 to check for equality between
// the Framtimer (double) and duration (float). This is to handle
// edge cases where precision loss in the float may cause this to
// skip.
if (Math.Abs(FrameTimer - CurrentFrame.duration) < 0.0001)
{
// We're at the beginning of the frame so invoke the
// Action
OnFrameBegin?.Invoke();
}
// Decrement the frame timer
FrameTimer -= deltaTime;
// Check if we need to move on to the next frame
if (FrameTimer <= 0)
{
// We're now at the end of a frame, so invoke the action
OnFrameEnd?.Invoke();
// Increment the frame index
CurrentFrameIndex += 1;
// Check that we are still within the bounds of the animations frames
if (CurrentFrameIndex > CurrentAnimation.to)
{
// Loop back to the beginning of the animations frame
CurrentFrameIndex = CurrentAnimation.from;
// Since we looped, invoke the loop aciton
OnAnimationLoop?.Invoke();
}
// Set the CurrentFrame
CurrentFrame = _animationDefinition.Frames[CurrentFrameIndex];
// Set the Duration
FrameTimer = (double)CurrentFrame.duration;
}
}
}