/// <summary>
/// Goes to the next frame (does nothinf if it was last frame).
/// </summary>
public static IFrameAnimable GotoNextFrame(this IFrameAnimable target)
{
var currentFrame = target.currentFrame;
if (currentFrame + 1 < target.totalFrames)
{
target.currentFrame = currentFrame + 1;
}
return(target);
}
/// <summary>
/// Goes to the previous frame (does nothinf if it was first frame).
/// </summary>
public static IFrameAnimable GotoPrevFrame(this IFrameAnimable target)
{
var currentFrame = target.currentFrame;
if (currentFrame > 0)
{
target.currentFrame = currentFrame - 1;
}
return(target);
}
/// <summary>
/// Goes to the next frame (jumps to the first frame if it was last frame).
/// </summary>
public static IFrameAnimable StepForward(this IFrameAnimable target)
{
var currentFrame = target.currentFrame;
if (currentFrame + 1 < target.totalFrames)
{
target.currentFrame = currentFrame + 1;
}
else
{
target.currentFrame = 0;
}
return(target);
}
/// <summary>
/// Goes to the previous frame (jumps to the last frame if it was first frame).
/// </summary>
public static IFrameAnimable StepBackward(this IFrameAnimable target)
{
var currentFrame = target.currentFrame;
if (currentFrame > 0)
{
target.currentFrame = currentFrame - 1;
}
else
{
target.currentFrame = target.totalFrames - 1;
}
return(target);
}
/// <summary>
/// Begin playing from the last frame to the first frame.
/// PlayCompleted event will be dispatced.
/// </summary>
public static void PlayFromEndToBegin(this IFrameAnimable target)
{
target.currentFrame = target.totalFrames - 1;
target.PlayToBegin();
}
/// <summary>
/// Begin playing from the current frame to the specified frame.
/// PlayCompleted event will be dispatced.
/// </summary>
public static void PlayTo(this IFrameAnimable target, int frameNum)
{
target.animation.PlayTo(frameNum);
}
/// <summary>
/// Begin playing forward from current frame and stop on the last frame.
/// PlayCompleted event will be dispatced.
/// </summary>
public static void PlayToEnd(this IFrameAnimable target)
{
target.animation.PlayTo(target.totalFrames - 1);
}
/// <summary>
/// Begin playing from the first frame to the last frame.
/// PlayCompleted event will be dispatced.
/// </summary>
public static void PlayFromBeginToEnd(this IFrameAnimable target)
{
target.currentFrame = 0;
target.PlayToEnd();
}
/// <summary>
/// Begin playing backward from current frame.
/// </summary>
public static void PlayReverse(this IFrameAnimable target)
{
target.animation.PlayLoop(-1);
}
/// <summary>
/// Begin playing backward from current frame and stop on the first frame.
/// PlayCompleted event will be dispatced.
/// </summary>
public static void PlayToBegin(this IFrameAnimable target)
{
target.animation.PlayTo(0);
}
/// <summary>
/// Goes to the specified frame and starts playing forward.
/// </summary>
public static IFrameAnimable GotoAndPlay(this IFrameAnimable target, int frameNum)
{
target.currentFrame = frameNum;
target.Play();
return(target);
}
/// <summary>
/// Begin playing forward from current frame.
/// </summary>
public static void Play(this IFrameAnimable target)
{
target.animation.PlayLoop(1);
}
/// <summary>
/// Returns true if currentFrame == 0
/// </summary>
public static bool IsFirstFrame(this IFrameAnimable target)
{
return(target.currentFrame == 0);
}
/// <summary>
/// Goes to the random frame. Does not stop playing if animation is active.
/// </summary>
public static IFrameAnimable GotoRandomFrame(this IFrameAnimable target)
{
target.currentFrame = RandomUtil.RandomInt(0, target.totalFrames - 1);
return(target);
}
/// <summary>
/// Goes to the first frame. Does not stop playing if animation is active.
/// </summary>
public static IFrameAnimable GotoFirstFrame(this IFrameAnimable target)
{
target.currentFrame = 0;
return(target);
}
/// <summary>
/// Stop animation.
/// </summary>
public static void Stop(this IFrameAnimable target)
{
target.animation.Stop();
}
/// <summary>
/// Goes to the last frame. Does not stop playing if animation is active.
/// </summary>
public static IFrameAnimable GotoLastFrame(this IFrameAnimable target)
{
target.currentFrame = target.totalFrames - 1;
return(target);
}
/// <summary>
/// Returns true if currentFrame == totalFrames - 1
/// </summary>
public static bool IsLastFrame(this IFrameAnimable target)
{
return(target.currentFrame == target.totalFrames - 1);
}
public FrameAnimation(IFrameAnimable target)
{
_target = target;
}
