// Set to binding pose ("T" pose)
public static void SetToBindingPose([NotNull] this PmxBone bone)
{
if (bone.IsTransformCalculated)
{
return;
}
var parent = bone.Parent;
Vector3 localPosition;
if (parent == null)
{
localPosition = bone.InitialPosition;
}
else
{
parent.SetToBindingPose();
localPosition = bone.InitialPosition - parent.InitialPosition;
}
bone.LocalMatrix = CalculateTransform(localPosition, Quaternion.Identity);
bone.WorldMatrix = bone.CalculateWorldMatrix();
bone.IsTransformCalculated = true;
}
internal static void SetToVmdPose([NotNull] this PmxBone bone, bool forced = false)
{
if (!forced && bone.IsTransformCalculated)
{
return;
}
// Ignore append parent.
bone.CurrentRotation = bone.AnimatedRotation;
var parent = bone.Parent;
Vector3 localPosition;
if (parent == null)
{
localPosition = bone.AnimatedTranslation + bone.InitialPosition;
}
else
{
parent.SetToVmdPose();
localPosition = bone.AnimatedTranslation + bone.InitialPosition - parent.InitialPosition;
}
bone.LocalMatrix = CalculateTransform(localPosition, bone.CurrentRotation);
bone.WorldMatrix = bone.CalculateWorldMatrix();
bone.SkinMatrix = bone.BindingPoseMatrixInverse * bone.WorldMatrix;
bone.CurrentPosition = Vector3.TransformPosition(bone.InitialPosition, bone.SkinMatrix);
bone.IsTransformCalculated = true;
}
// https://github.com/sn0w75/MMP/blob/master/libmmp/motioncontroller.cpp
internal static void SetToVmdPose([NotNull] this PmxBone bone)
{
if (bone.IsTransformCalculated)
{
return;
}
bone.CurrentRotation = bone.AnimatedRotation;
var parent = bone.ParentBone;
Vector3 localPosition;
if (parent == null)
{
localPosition = bone.AnimatedTranslation + bone.InitialPosition;
}
else
{
parent.SetToVmdPose();
localPosition = bone.AnimatedTranslation + bone.InitialPosition - parent.InitialPosition;
}
bone.LocalMatrix = CalculateTransform(localPosition, bone.CurrentRotation);
bone.WorldMatrix = bone.CalculateWorldMatrix();
bone.IsTransformCalculated = true;
}
