public AnimationInstance(ModelInstance modelInstance, W3DAnimation animation,
AnimationMode mode, AnimationFlags flags)
{
_animation = animation;
_mode = mode;
_flags = flags;
_boneInstances = modelInstance.ModelBoneInstances;
_keyframeIndices = new int[animation.Clips.Length];
if (_flags.HasFlag(AnimationFlags.StartFrameFirst) ||
_flags == AnimationFlags.None)
{
_currentTimeValue = TimeSpan.Zero;
}
else if (_flags.HasFlag(AnimationFlags.StartFrameLast))
{
_currentTimeValue = _animation.Duration;
}
else
{
//TODO: implement other flags
//throw new NotImplementedException();
}
}
private void ResetTimeStamps()
{
if (_flags.HasFlag(AnimationFlags.StartFrameFirst) ||
_flags == AnimationFlags.None)
{
_currentTimeValue = TimeSpan.Zero;
}
else if (_flags.HasFlag(AnimationFlags.StartFrameLast))
{
_currentTimeValue = _animation.Duration;
}
else
{
//TODO: implement other flags
//throw new NotImplementedException();
}
}
private void ResetTimeStamps()
{
if (_flags == AnimationFlags.None ||
_flags.HasFlag(AnimationFlags.StartFrameFirst) ||
_flags.HasFlag(AnimationFlags.StartFrameLast))
{
if (Reverse || _flags.HasFlag(AnimationFlags.StartFrameLast))
{
_currentTimeValue = _animation.Clips.Max(c => c.Keyframes.LastOrDefault().Time);
}
else
{
_currentTimeValue = TimeSpan.Zero;
}
}
else if (_flags.HasFlag(AnimationFlags.RandomStart))
{
_currentTimeValue = TimeSpan.FromMilliseconds(_random.Next((int)_animation.Duration.TotalMilliseconds));
}
else
{
//TODO: implement other flags
//throw new NotImplementedException();
}
}
