//实现循环更新
private static void UpdateFrameFuncLoop(FrameAnimation frameAnimation)
{
if (frameAnimation.nCurFrame >= frameAnimation.nLength || frameAnimation.nCurFrame < 0)
{
frameAnimation.nCurFrame = frameAnimation.nStartFrame;
}
}
//实现单次更新
private static void UpdateFrameFuncOnce(FrameAnimation frameAnimation)
{
if (frameAnimation.nCurFrame >= frameAnimation.nLength || frameAnimation.nCurFrame < 0)
{
frameAnimation.Stop();
if (frameAnimation.iFrameUpdater != null)
{
frameAnimation.iFrameUpdater.OnComplete();
}
}
}
//实现来回更新
private static void UpdateFrameFuncPingPong(FrameAnimation frameAnimation)
{
if (frameAnimation.nSign == 1)
{
if (frameAnimation.nCurFrame >= frameAnimation.nLength)
{
frameAnimation.nSign = -1;
frameAnimation.nCurFrame -= 2;
}
}
else
{
if (frameAnimation.nCurFrame < 0)
{
frameAnimation.nSign = 1;
frameAnimation.nCurFrame += 2;
}
}
}