public virtual AnimationFrameBase FrameForTime(int time,
AnimationFrameBase startKeyFrame,
AnimationFrameBase endKeyFrame)
{
Debug.WriteLine("Hey pal! You need to use a subclass of IFTTTAnimation.");
return(startKeyFrame);
}
public void AddKeyFrame(AnimationFrameBase keyFrame)
{
Debug.WriteLine(string.Format("Add KeyFrame Time: {0}", keyFrame.Time));
if (KeyFrames.Count() == 0)
{
KeyFrames.Add(keyFrame);
return;
}
// because folks might add keyframes out of order, we have to sort here
if (keyFrame.Time > ((AnimationFrameBase)KeyFrames.Last()).Time)
{
KeyFrames.Add(keyFrame);
}
else
{
for (int i = 0; i < KeyFrames.Count(); i++)
{
if (keyFrame.Time < ((AnimationFrameBase)KeyFrames [i]).Time)
{
KeyFrames.Add(keyFrame); // TODO atIndex:i;
break;
}
}
}
_timeline = new List <AnimationFrameBase> ();
for (int i = 0; i < KeyFrames.Count() - 1; i++)
{
AnimationFrameBase currentKeyFrame = KeyFrames [i];
AnimationFrameBase nextKeyFrame = KeyFrames [i + 1];
for (int j = currentKeyFrame.Time + (i == 0 ? 0 : 1); j <= nextKeyFrame.Time; j++)
{
_timeline.Add(FrameForTime(j, currentKeyFrame, nextKeyFrame));
}
}
_startTime = ((AnimationFrameBase)KeyFrames [0]).Time;
}