public void ReparentHand(HandBoneReferences hand)
{
ReparentFinger(hand.index, hand.wrist);
ReparentFinger(hand.middle, hand.wrist);
ReparentFinger(hand.ring, hand.wrist);
ReparentFinger(hand.pinky, hand.wrist);
ReparentFinger(hand.thumb, hand.wrist);
}
public void ParentHandSkeletonToAnotherHandSkeleton(HandBoneReferences parent, HandBoneReferences child)
{
InsertBoneParent(child.wrist.bone, parent.wrist.bone);
ParentFingerToFinger(parent.index, child.index);
ParentFingerToFinger(parent.middle, child.middle);
ParentFingerToFinger(parent.ring, child.ring);
ParentFingerToFinger(parent.pinky, child.pinky);
ParentFingerToFinger(parent.thumb, child.thumb);
}
private void DrawHand(HandBoneReferences hand)
{
DrawBone(hand.wrist, size);
DrawFinger(hand.index, hand);
DrawFinger(hand.middle, hand);
DrawFinger(hand.ring, hand);
DrawFinger(hand.pinky, hand);
DrawFinger(hand.thumb, hand);
}
private Vector3 GetHandForward(HandBoneReferences hand)
{
Vector3 handForward = (hand.middle.proximal.bone.position - hand.wrist.bone.position).normalized;
if (debug)
{
Vector3 palmPosition = (hand.wrist.bone.position + hand.index.proximal.bone.position + hand.pinky.proximal.bone.position) / 3f;
Debug.DrawRay(palmPosition, handForward, Color.red);
}
return(handForward);
}
private void DrawFinger(Finger finger, HandBoneReferences hand)
{
// Draw Skeleton
ConnectBones(hand.wrist, finger.proximal);
ConnectBones(finger.proximal, finger.middle);
ConnectBones(finger.middle, finger.distal);
ConnectBones(finger.distal, finger.tip);
// Draw Bones
DrawBone(finger.proximal, size / 3f);
DrawBone(finger.middle, size / 3f);
DrawBone(finger.distal, size / 3f);
DrawBone(finger.tip, size / 3f);
}
private Vector3 CalculatePalmNormal(HandBoneReferences hand, bool left)
{
Vector3 palmNormal = Vector3.Cross(hand.index.proximal.bone.position - hand.wrist.bone.position, hand.pinky.proximal.bone.position - hand.wrist.bone.position).normalized *(left ? 1f : -1f);
//palmNormal = Vector3.Cross(hand.index.proximal.bone.position - palmNormal * fingerOffset / 2f - hand.wrist.bone.position, hand.pinky.proximal.bone.position - palmNormal * fingerOffset / 2f - hand.wrist.bone.position).normalized * (left ? 1f : -1f);
if (debug)
{
Vector3 palmPosition = (hand.wrist.bone.position + hand.index.proximal.bone.position + hand.pinky.proximal.bone.position) / 3f;
Debug.DrawRay(palmPosition, palmNormal, Color.blue);
}
return(palmNormal);
}
void OnSceneGUI()
{
// TODO: add undo/redo functionality
HandSkeleton skeleton = target as HandSkeleton;
if (skeleton == null || !skeleton.handBoneReferences.IsValid)
{
return;
}
HandBoneReferences bones = skeleton.handBoneReferences;
if (bones.IsValid)
{
DrawHand(bones);
}
}
private HandBoneReferences CopyHandSkeleton(HandBoneReferences hand, Transform parent)
{
var newHand = new HandBoneReferences();
Vector3 handUp = Vector3.up;
newHand.wrist = new Bone(CreateDirectionBone("wrist", hand.wrist.bone.position, hand.middle.proximal.bone.position - hand.wrist.bone.position, handUp, parent));
newHand.index.AssignBones(
CreateDirectionBone("index_prox", hand.index.proximal.bone.position, hand.index.middle.bone.position - hand.index.proximal.bone.position, handUp, parent),
CreateDirectionBone("index_mid", hand.index.middle.bone.position, hand.index.distal.bone.position - hand.index.middle.bone.position, handUp, parent),
CreateDirectionBone("index_dis", hand.index.distal.bone.position, hand.index.tip.bone.position - hand.index.distal.bone.position, handUp, parent),
CreateDirectionBone("index_tip", hand.index.tip.bone.position, hand.index.tip.bone.position - hand.index.distal.bone.position, handUp, parent));
newHand.middle.AssignBones(
CreateDirectionBone("middle_prox", hand.middle.proximal.bone.position, hand.middle.middle.bone.position - hand.middle.proximal.bone.position, handUp, parent),
CreateDirectionBone("middle_mid", hand.middle.middle.bone.position, hand.middle.distal.bone.position - hand.middle.middle.bone.position, handUp, parent),
CreateDirectionBone("middle_dis", hand.middle.distal.bone.position, hand.middle.tip.bone.position - hand.middle.distal.bone.position, handUp, parent),
CreateDirectionBone("middle_tip", hand.middle.tip.bone.position, hand.middle.tip.bone.position - hand.middle.distal.bone.position, handUp, parent));
newHand.ring.AssignBones(
CreateDirectionBone("ring_prox", hand.ring.proximal.bone.position, hand.ring.middle.bone.position - hand.ring.proximal.bone.position, handUp, parent),
CreateDirectionBone("ring_mid", hand.ring.middle.bone.position, hand.ring.distal.bone.position - hand.ring.middle.bone.position, handUp, parent),
CreateDirectionBone("ring_dis", hand.ring.distal.bone.position, hand.ring.tip.bone.position - hand.ring.distal.bone.position, handUp, parent),
CreateDirectionBone("ring_tip", hand.ring.tip.bone.position, hand.ring.tip.bone.position - hand.ring.distal.bone.position, handUp, parent));
newHand.pinky.AssignBones(
CreateDirectionBone("pinky_prox", hand.pinky.proximal.bone.position, hand.pinky.middle.bone.position - hand.pinky.proximal.bone.position, handUp, parent),
CreateDirectionBone("pinky_mid", hand.pinky.middle.bone.position, hand.pinky.distal.bone.position - hand.pinky.middle.bone.position, handUp, parent),
CreateDirectionBone("pinky_dis", hand.pinky.distal.bone.position, hand.pinky.tip.bone.position - hand.pinky.distal.bone.position, handUp, parent),
CreateDirectionBone("pinky_tip", hand.pinky.tip.bone.position, hand.pinky.tip.bone.position - hand.pinky.distal.bone.position, handUp, parent));
newHand.thumb.AssignBones(
CreateDirectionBone("thumb_prox", hand.thumb.proximal.bone.position, hand.thumb.middle.bone.position - hand.thumb.proximal.bone.position, handUp, parent),
CreateDirectionBone("thumb_mid", hand.thumb.middle.bone.position, hand.thumb.distal.bone.position - hand.thumb.middle.bone.position, handUp, parent),
CreateDirectionBone("thumb_dis", hand.thumb.distal.bone.position, hand.thumb.tip.bone.position - hand.thumb.distal.bone.position, handUp, parent),
CreateDirectionBone("thumb_tip", hand.thumb.tip.bone.position, hand.thumb.tip.bone.position - hand.thumb.distal.bone.position, handUp, parent));
return(newHand);
}