internal MD5BoneTransforms GetBoneTransforms(int boneNumber)
{
MD5BoneTransforms boneTransforms = new MD5BoneTransforms();
boneTransforms.Translation = Vector3.Lerp(animation.GetFrameSkeleton(currentFrame).Joints[boneNumber].Position, animation.GetFrameSkeleton(nextFrame).Joints[boneNumber].Position, timeInCurrentFrame / animation.SecondsPerFrame);
boneTransforms.Rotation = Quaternion.Slerp(animation.GetFrameSkeleton(currentFrame).Joints[boneNumber].Rotation, animation.GetFrameSkeleton(nextFrame).Joints[boneNumber].Rotation, timeInCurrentFrame / animation.SecondsPerFrame);
return(boneTransforms);
}
public MD5BoneTransforms GetFinalBoneTransforms(int boneIndex)
{
MD5BoneTransforms trackBT;
int trackFlags;
int totalBias = 0;
int bufferedBias = 0;
bool boneExplicitlyAnimated = false;
MD5BoneTransforms bt = new MD5BoneTransforms();
MD5BoneTransforms bufferBT = new MD5BoneTransforms();
int numberOfActiveTracks = NumberOfActiveTracks;
bt.Translation = bufferBT.Translation = Vector3.Zero;
bt.Rotation = bufferBT.Rotation = Quaternion.Identity;
foreach (MD5AnimationTrack track in animationTracks)
{
if (track != null)
{
trackBT = track.GetBoneTransforms(boneIndex);
trackFlags = track.GetBoneFlags(boneIndex);
if (numberOfActiveTracks == 1)
{
return(trackBT);
}
bufferedBias += track.Bias;
bufferBT.Translation = Vector3.Lerp(bufferBT.Translation, trackBT.Translation, (float)track.Bias / (float)bufferedBias);
bufferBT.Rotation = Quaternion.Slerp(bufferBT.Rotation, trackBT.Rotation, (float)track.Bias / (float)bufferedBias);
if (trackFlags != 0)
{
boneExplicitlyAnimated = true;
totalBias += track.Bias;
bt.Translation = Vector3.Lerp(bt.Translation, trackBT.Translation, (float)track.Bias / (float)totalBias);
bt.Rotation = Quaternion.Slerp(bt.Rotation, trackBT.Rotation, (float)track.Bias / (float)totalBias);
}
}
}
if (!boneExplicitlyAnimated)
{
return(bufferBT);
}
return(bt);
}