bone setup corrections

This commit is contained in:
devZoGok
2022-03-11 07:57:01 +02:00
parent 8936266dcb
commit ff44ad178d
6 changed files with 32 additions and 3 deletions
+6
View File
@@ -17,11 +17,17 @@ namespace vb01{
void Bone::updateBoneInfo(){
for(int i = 0; i < 3; i++)
this->initAxis[i] = globalAxis[i];
restPos = pos;
restRot = orientation;
restScale = scale;
}
void Bone::onAttached(){
Node::onAttached();
updateBoneInfo();
}
Vector3 Bone::getBoneSpaceRestPos(Bone *bone){
Bone *rootBone = skeleton->getRootBone();
Vector3 modelSpacePos = Vector3::VEC_ZERO;
+1
View File
@@ -36,6 +36,7 @@ namespace vb01{
private:
void updateBoneInfo();
void animate(float, KeyframeChannel);
void onAttached();
virtual float getDriverValue(Driver::VariableType);
float length;
+8
View File
@@ -5,12 +5,14 @@
namespace vb01{
void IkSolver::calculateFabrik(int chainLength, Bone **boneChain, Vector3 boneIkPos[], Vector3 targetPos){
float sumLengths = 0;
for(int i = 0; i < chainLength; i++)
sumLengths += boneChain[i]->getLength();
Skeleton *skeleton = boneChain[0]->getSkeleton();
Bone *subBase = (Bone*)skeleton->getBone(boneChain[0]->getIkTarget())->getParent();
Vector3 startPos = subBase->globalToLocalPosition(boneChain[chainLength - 1]->localToGlobalPosition(Vector3::VEC_ZERO));
if(startPos.getDistanceFrom(targetPos) < sumLengths){
int numIterations = 500;
@@ -21,6 +23,7 @@ namespace vb01{
int boneId;
float length;
Vector3 ikPos, bonePos, fromBoneToIkPos;
if(backward){
boneId = j;
length = boneChain[boneId]->getLength();
@@ -28,6 +31,7 @@ namespace vb01{
}
else{
boneId = chainLength - 1 - j;
if(j == 0){
ikPos = startPos;
length = 0;
@@ -37,6 +41,7 @@ namespace vb01{
length = boneChain[boneId + 0]->getLength();
}
}
bonePos = boneIkPos[boneId];
fromBoneToIkPos = (ikPos - bonePos).norm();
boneIkPos[boneId] = ikPos - fromBoneToIkPos * length;
@@ -45,9 +50,11 @@ namespace vb01{
}
else{
Vector3 startToEndVec = (targetPos - startPos).norm();
for(int i = chainLength - 1; i >= 0; i--){
float length;
Vector3 bonePos;
if(i == chainLength - 1){
length = 0;
bonePos = boneIkPos[i];
@@ -56,6 +63,7 @@ namespace vb01{
length = boneChain[i]->getLength();
bonePos = boneIkPos[i + 1];
}
boneIkPos[i] = bonePos + startToEndVec * length;
}
}
+4 -2
View File
@@ -111,6 +111,7 @@ namespace vb01{
child->setParent(this);
children.push_back(child);
child->updateAxis();
child->onAttached();
}
void Node::dettachChild(Node *child){
@@ -184,11 +185,12 @@ namespace vb01{
Vector3 xDir = orientation * Vector3(1, 0, 0),
yDir = orientation * Vector3(0, 1, 0),
zDir = orientation * Vector3(0, 0, 1);
newUp = Vector3(newUp.x, newUp.y, 0).norm();
//newUp = Vector3(newUp.x, newUp.y, 0).norm();
if(newUp != Vector3::VEC_ZERO){
float angle = yDir.getAngleBetween(newUp);
setOrientation(Quaternion(angle * (newUp.x < 0 ? 1 : -1), zDir) * orientation);
bool forw = (xDir.getAngleBetween(newUp) < PI / 2);
setOrientation(Quaternion(angle * (forw ? -1 : 1), zDir) * orientation);
}
}
+1
View File
@@ -27,6 +27,7 @@ namespace vb01{
void attachMesh(Mesh*);
void attachParticleEmitter(ParticleEmitter*);
virtual void update();
virtual void onAttached(){}
void attachChild(Node*);
void dettachChild(Node*);
void addLight(Light*);
+12 -1
View File
@@ -24,14 +24,17 @@ namespace vb01{
if(b->getIkTarget() != ""){
const int chainLength = b->getIkChainLength();
Bone **boneChain = getIkBoneChain(b);
for(int i = 0; i < chainLength; i++){
boneChain[i]->setPosePos(Vector3::VEC_ZERO);
boneChain[i]->setPoseRot(Quaternion::QUAT_W);
boneChain[i]->setPoseScale(Vector3::VEC_IJK);
}
delete[] boneChain;
}
}
for(Bone *b : bones)
if(getBone(b->getIkTarget()))
solveIk(b);
@@ -44,6 +47,7 @@ namespace vb01{
Bone **boneChain = getIkBoneChain(ikBone);
Vector3 *boneIkPos = new Vector3[chainLength];
for(int i = chainLength - 1; i >= 0; i--)
boneIkPos[i] = subBase->globalToLocalPosition(boneChain[i]->localToGlobalPosition(Vector3::VEC_ZERO));
@@ -57,10 +61,11 @@ namespace vb01{
void Skeleton::transformIkChain(int chainLength, Bone **boneChain, Vector3 boneIkPos[], Bone* ikTarget){
Bone *subBase = (Bone*)ikTarget->getParent();
for(int i = chainLength - 1; i >= 0; i--){
boneChain[i]->setPoseRot(Quaternion::QUAT_W);
Vector3 tailPosBoneSpace;
if(i == 0)
tailPosBoneSpace = subBase->globalToLocalPosition(ikTarget->localToGlobalPosition(Vector3::VEC_ZERO));
else
@@ -75,6 +80,7 @@ namespace vb01{
axis =
boneChain[i]->globalToLocalPosition(subBase->localToGlobalPosition(axis)) -
boneChain[i]->globalToLocalPosition(subBase->localToGlobalPosition(Vector3::VEC_ZERO));
if(axis == Vector3::VEC_ZERO)
axis = Vector3::VEC_I;
@@ -86,17 +92,20 @@ namespace vb01{
void Skeleton::addBone(Bone *bone, Bone *parent){
if(parent)
parent->attachChild(bone);
bone->setSkeleton(this);
bones.push_back(bone);
}
Bone* Skeleton::getBone(string name){
Bone *bone = nullptr;
for(Bone *b : bones)
if(b->getName() == name){
bone = b;
break;
}
return bone;
}
@@ -104,10 +113,12 @@ namespace vb01{
int chainLength = ikBone->getIkChainLength();
Bone **chain = new Bone*[chainLength];
Bone *ikBoneAncestor = ikBone;
for(int i = 0; i < chainLength; i++){
chain[i] = ikBoneAncestor;
ikBoneAncestor = (Bone*)ikBoneAncestor->getParent();
}
return chain;
}
}