public void UpdateAdditiveAnimation(SteamVR_Action_Skeleton skeletonAction, SteamVR_Input_Sources inputSource)
{
if (skeletonAction.GetSkeletalTrackingLevel() == EVRSkeletalTrackingLevel.VRSkeletalTracking_Estimated)
{
//do not apply additive animation on low fidelity controllers, eg. Vive Wands and Touch
return;
}
SteamVR_Skeleton_PoseSnapshot snapshot = GetHandSnapshot(inputSource);
SteamVR_Skeleton_Pose_Hand poseHand = pose.GetHand(inputSource);
for (int boneIndex = 0; boneIndex < snapshotL.bonePositions.Length; boneIndex++)
{
int fingerIndex = SteamVR_Skeleton_JointIndexes.GetFingerForBone(boneIndex);
SteamVR_Skeleton_FingerExtensionTypes extensionType = poseHand.GetMovementTypeForBone(boneIndex);
if (extensionType == SteamVR_Skeleton_FingerExtensionTypes.Free)
{
snapshot.bonePositions[boneIndex] = skeletonAction.bonePositions[boneIndex];
snapshot.boneRotations[boneIndex] = skeletonAction.boneRotations[boneIndex];
}
if (extensionType == SteamVR_Skeleton_FingerExtensionTypes.Extend)
{
// lerp to open pose by fingercurl
snapshot.bonePositions[boneIndex] = Vector3.Lerp(poseHand.bonePositions[boneIndex], skeletonAction.bonePositions[boneIndex], 1 - skeletonAction.fingerCurls[fingerIndex]);
snapshot.boneRotations[boneIndex] = Quaternion.Lerp(poseHand.boneRotations[boneIndex], skeletonAction.boneRotations[boneIndex], 1 - skeletonAction.fingerCurls[fingerIndex]);
}
if (extensionType == SteamVR_Skeleton_FingerExtensionTypes.Contract)
{
// lerp to closed pose by fingercurl
snapshot.bonePositions[boneIndex] = Vector3.Lerp(poseHand.bonePositions[boneIndex], skeletonAction.bonePositions[boneIndex], skeletonAction.fingerCurls[fingerIndex]);
snapshot.boneRotations[boneIndex] = Quaternion.Lerp(poseHand.boneRotations[boneIndex], skeletonAction.boneRotations[boneIndex], skeletonAction.fingerCurls[fingerIndex]);
}
}
}
public void UpdateAdditiveAnimation(SteamVR_Action_Skeleton skeletonAction, SteamVR_Input_Sources inputSource)
{
SteamVR_Skeleton_PoseSnapshot snapshot = GetHandSnapshot(inputSource);
SteamVR_Skeleton_Pose_Hand poseHand = pose.GetHand(inputSource);
for (int boneIndex = 0; boneIndex < snapshotL.bonePositions.Length; boneIndex++)
{
int fingerIndex = SteamVR_Skeleton_JointIndexes.GetFingerForBone(boneIndex);
SteamVR_Skeleton_FingerExtensionTypes extensionType = poseHand.GetMovementTypeForBone(boneIndex);
if (extensionType == SteamVR_Skeleton_FingerExtensionTypes.Free)
{
snapshot.bonePositions[boneIndex] = skeletonAction.bonePositions[boneIndex];
snapshot.boneRotations[boneIndex] = skeletonAction.boneRotations[boneIndex];
}
if (extensionType == SteamVR_Skeleton_FingerExtensionTypes.Extend)
{
// lerp to open pose by fingercurl
snapshot.bonePositions[boneIndex] = Vector3.Lerp(poseHand.bonePositions[boneIndex], skeletonAction.bonePositions[boneIndex], 1 - skeletonAction.fingerCurls[fingerIndex]);
snapshot.boneRotations[boneIndex] = Quaternion.Lerp(poseHand.boneRotations[boneIndex], skeletonAction.boneRotations[boneIndex], 1 - skeletonAction.fingerCurls[fingerIndex]);
}
if (extensionType == SteamVR_Skeleton_FingerExtensionTypes.Contract)
{
// lerp to closed pose by fingercurl
snapshot.bonePositions[boneIndex] = Vector3.Lerp(poseHand.bonePositions[boneIndex], skeletonAction.bonePositions[boneIndex], skeletonAction.fingerCurls[fingerIndex]);
snapshot.boneRotations[boneIndex] = Quaternion.Lerp(poseHand.boneRotations[boneIndex], skeletonAction.boneRotations[boneIndex], skeletonAction.fingerCurls[fingerIndex]);
}
}
}
public void UpdateAdditiveAnimation(SteamVR_Action_Skeleton skeletonAction, SteamVR_Input_Sources inputSource)
{
SteamVR_Skeleton_PoseSnapshot snapshot = GetHandSnapshot(inputSource);
SteamVR_Skeleton_Pose_Hand poseHand = pose.GetHand(inputSource);
//setup mirrored pose buffers
if (additivePositionBuffer == null)
{
additivePositionBuffer = new Vector3[skeletonAction.boneCount];
}
if (additiveRotationBuffer == null)
{
additiveRotationBuffer = new Quaternion[skeletonAction.boneCount];
}
for (int boneIndex = 0; boneIndex < snapshotL.bonePositions.Length; boneIndex++)
{
int fingerIndex = SteamVR_Skeleton_JointIndexes.GetFingerForBone(boneIndex);
SteamVR_Skeleton_FingerExtensionTypes extensionType = poseHand.GetMovementTypeForBone(boneIndex);
//do target pose mirroring on left hand
if (inputSource == SteamVR_Input_Sources.LeftHand)
{
SteamVR_Behaviour_Skeleton.MirrorBonePosition(ref skeletonAction.bonePositions[boneIndex], ref additivePositionBuffer[boneIndex], boneIndex);
SteamVR_Behaviour_Skeleton.MirrorBoneRotation(ref skeletonAction.boneRotations[boneIndex], ref additiveRotationBuffer[boneIndex], boneIndex);
}
else
{
additivePositionBuffer[boneIndex] = skeletonAction.bonePositions[boneIndex];
additiveRotationBuffer[boneIndex] = skeletonAction.boneRotations[boneIndex];
}
if (extensionType == SteamVR_Skeleton_FingerExtensionTypes.Free)
{
snapshot.bonePositions[boneIndex] = additivePositionBuffer[boneIndex];
snapshot.boneRotations[boneIndex] = additiveRotationBuffer[boneIndex];
}
else if (extensionType == SteamVR_Skeleton_FingerExtensionTypes.Extend)
{
// lerp to open pose by fingercurl
snapshot.bonePositions[boneIndex] = Vector3.Lerp(poseHand.bonePositions[boneIndex], additivePositionBuffer[boneIndex], 1 - skeletonAction.fingerCurls[fingerIndex]);
snapshot.boneRotations[boneIndex] = Quaternion.Lerp(poseHand.boneRotations[boneIndex], additiveRotationBuffer[boneIndex], 1 - skeletonAction.fingerCurls[fingerIndex]);
}
else if (extensionType == SteamVR_Skeleton_FingerExtensionTypes.Contract)
{
// lerp to closed pose by fingercurl
snapshot.bonePositions[boneIndex] = Vector3.Lerp(poseHand.bonePositions[boneIndex], additivePositionBuffer[boneIndex], skeletonAction.fingerCurls[fingerIndex]);
snapshot.boneRotations[boneIndex] = Quaternion.Lerp(poseHand.boneRotations[boneIndex], additiveRotationBuffer[boneIndex], skeletonAction.fingerCurls[fingerIndex]);
}
}
}
protected virtual Quaternion GetBlendPoseForBone(int boneIndex, Quaternion skeletonRotation)
{
SteamVR_Skeleton_FingerExtensionTypes movementType = blendToPose.GetMovementTypeForBone(boneIndex);
Quaternion poseRotation = blendToPose.boneRotations[boneIndex];
if (movementType == SteamVR_Skeleton_FingerExtensionTypes.Free)
{
return(skeletonRotation);
}
else if (movementType == SteamVR_Skeleton_FingerExtensionTypes.Static)
{
return(poseRotation);
}
else
{
Vector3 localForward = bones[boneIndex].localRotation * Vector3.forward;
//z rotation is curl
Vector3 poseForward = poseRotation * localForward;
Vector3 skeletonForward = skeletonRotation * localForward;
float poseAngle = Mathf.Atan2(poseForward.x, poseForward.y) * Mathf.Rad2Deg;
float skeletonAngle = Mathf.Atan2(skeletonForward.x, skeletonForward.y) * Mathf.Rad2Deg;
float angleDifference = Mathf.DeltaAngle(poseAngle, skeletonAngle);
if (movementType == SteamVR_Skeleton_FingerExtensionTypes.Contract)
{
if (angleDifference > 0)
{
return(poseRotation * Quaternion.Euler(0, 0, -angleDifference));
}
else
{
return(poseRotation);
}
}
else if (movementType == SteamVR_Skeleton_FingerExtensionTypes.Extend)
{
if (angleDifference < 0)
{
return(poseRotation * Quaternion.Euler(0, 0, -angleDifference));
}
else
{
return(poseRotation);
}
}
}
return(Quaternion.identity);
}
