public static Vector3 InterporatePosition(VMDReader vmdReader, BoneKeyFrameGroup.BoneNames boneName, int frameNumber)
{
VMDReader.BoneKeyFrameGroup vmdBoneFrameGroup = vmdReader.GetBoneKeyFrameGroup(boneName);
VMD.BoneKeyFrame lastFrame = vmdBoneFrameGroup.LastPositionKeyFrame;
VMD.BoneKeyFrame nextFrame = vmdBoneFrameGroup.NextPositionKeyFrame;
if (lastFrame != null && nextFrame != null)
{
float xInterpolationRate = vmdBoneFrameGroup.Interpolation.GetInterpolationValue(VMD.BoneKeyFrame.Interpolation.BezierCurveNames.X, frameNumber, lastFrame.FrameNumber, nextFrame.FrameNumber);
float yInterpolationRate = vmdBoneFrameGroup.Interpolation.GetInterpolationValue(VMD.BoneKeyFrame.Interpolation.BezierCurveNames.Y, frameNumber, lastFrame.FrameNumber, nextFrame.FrameNumber);
float zInterpolationRate = vmdBoneFrameGroup.Interpolation.GetInterpolationValue(VMD.BoneKeyFrame.Interpolation.BezierCurveNames.Z, frameNumber, lastFrame.FrameNumber, nextFrame.FrameNumber);
float xInterpolation = Mathf.Lerp(lastFrame.Position.x, nextFrame.Position.x, xInterpolationRate);
float yInterpolation = Mathf.Lerp(lastFrame.Position.y, nextFrame.Position.y, yInterpolationRate);
float zInterpolation = Mathf.Lerp(lastFrame.Position.z, nextFrame.Position.z, zInterpolationRate);
return(new Vector3(xInterpolation, yInterpolation, zInterpolation));
}
else if (lastFrame == null && nextFrame != null)
{
float xInterpolationRate = vmdBoneFrameGroup.Interpolation.GetInterpolationValue(VMD.BoneKeyFrame.Interpolation.BezierCurveNames.X, frameNumber, 0, nextFrame.FrameNumber);
float yInterpolationRate = vmdBoneFrameGroup.Interpolation.GetInterpolationValue(VMD.BoneKeyFrame.Interpolation.BezierCurveNames.Y, frameNumber, 0, nextFrame.FrameNumber);
float zInterpolationRate = vmdBoneFrameGroup.Interpolation.GetInterpolationValue(VMD.BoneKeyFrame.Interpolation.BezierCurveNames.Z, frameNumber, 0, nextFrame.FrameNumber);
float xInterpolation = Mathf.Lerp(0, nextFrame.Position.x, xInterpolationRate);
float yInterpolation = Mathf.Lerp(0, nextFrame.Position.y, yInterpolationRate);
float zInterpolation = Mathf.Lerp(0, nextFrame.Position.z, zInterpolationRate);
return(new Vector3(xInterpolation, yInterpolation, zInterpolation));
}
else if (nextFrame == null && lastFrame != null)
{
return(lastFrame.Position);
}
return(Vector3.zero);
}
public static async Task <VMDReader> ReadVMDAsync(string filePath)
{
return(await Task.Run(() =>
{
VMDReader vmdReader = new VMDReader(filePath);
return vmdReader;
}));
}
public static Quaternion InterporateRotation(VMDReader vmdReader, BoneKeyFrameGroup.BoneNames boneName, int frameNumber)
{
VMDReader.BoneKeyFrameGroup vmdBoneFrameGroup = vmdReader.GetBoneKeyFrameGroup(boneName);
VMD.BoneKeyFrame lastFrame = vmdBoneFrameGroup.LastRotationKeyFrame;
VMD.BoneKeyFrame nextFrame = vmdBoneFrameGroup.NextRotationKeyFrame;
if (lastFrame != null && nextFrame != null)
{
float rotationInterpolationRate = vmdBoneFrameGroup.Interpolation.GetInterpolationValue(VMD.BoneKeyFrame.Interpolation.BezierCurveNames.Rotation, frameNumber, lastFrame.FrameNumber, nextFrame.FrameNumber);
return(Quaternion.identity.PlusRotation(Quaternion.Slerp(lastFrame.Rotation, nextFrame.Rotation, rotationInterpolationRate)));
}
else if (lastFrame == null && nextFrame != null)
{
float rotationInterpolationRate = vmdBoneFrameGroup.Interpolation.GetInterpolationValue(VMD.BoneKeyFrame.Interpolation.BezierCurveNames.Rotation, frameNumber, 0, nextFrame.FrameNumber);
return(Quaternion.identity.PlusRotation(Quaternion.Slerp(Quaternion.identity, nextFrame.Rotation, rotationInterpolationRate)));
}
else if (lastFrame != null && nextFrame == null)
{
return(Quaternion.identity.PlusRotation(lastFrame.Rotation));
}
return(Quaternion.identity);
}