// preview a frame in the scene view
public override void previewFrame(float frame, AMTrack extraTrack = null)
{
if (!obj)
{
return;
}
if (cache.Count <= 0)
{
return;
}
// if before first frame
if (frame <= (float)cache[0].startFrame)
{
obj.position = (cache[0] as AMTranslationAction).path[0];
return;
}
// if beyond last frame
if (frame >= (float)(cache[cache.Count - 1] as AMTranslationAction).endFrame)
{
obj.position = (cache[cache.Count - 1] as AMTranslationAction).path[(cache[cache.Count - 1] as AMTranslationAction).path.Length - 1];
return;
}
// if lies on curve
foreach (AMTranslationAction action in cache)
{
if (((int)frame < action.startFrame) || ((int)frame > action.endFrame))
{
continue;
}
if (action.path.Length == 1)
{
obj.position = action.path[0];
return;
}
float _value;
float framePositionInPath = frame - (float)action.startFrame;
if (framePositionInPath < 0f)
{
framePositionInPath = 0f;
}
AMTween.EasingFunction ease;
AnimationCurve curve = null;
if (action.hasCustomEase())
{
ease = AMTween.customEase;
curve = action.easeCurve;
}
else
{
ease = AMTween.GetEasingFunction((AMTween.EaseType)action.easeType);
}
_value = ease(0f, 1f, framePositionInPath / action.getNumberOfFrames(), curve);
AMTween.PutOnPath(obj, action.path, Mathf.Clamp(_value, 0f, 1f));
return;
}
}
