void TransformGizmo::Update() {
if(selectedEntities.size() > 0) {
Vector3 centerPoint;
for(int i=0; i < selectedEntities.size(); i++) {
centerPoint += selectedEntities[i]->getConcatenatedMatrix().getPosition();
}
centerPoint = centerPoint / selectedEntities.size();
setPosition(centerPoint);
updateOrientationForEntity(selectedEntities[0]);
}
viewportRotateGripBase->setRotationByQuaternion(getRotationQuat().Inverse());
Number scale;
if(gizmoMode != GIZMO_MODE_3D) {
scale = targetCamera->getPosition().length() * 0.1;
} else {
scale = getPosition().distance(targetCamera->getPosition()) * 0.1;
}
if(scale < 0.0) {
scale = 0.0;
}
setScale(scale, scale, scale);
}
cocos2d::Quaternion PUParticleSystem3D::getDerivedOrientation()
{
//if (_parentParticleSystem && _parentParticleSystem->isKeepLocal()) return Quaternion();
//if (_keepLocal) return Quaternion();
if (_isMarkedForEmission){
return getRotationQuat();
}else{
Quaternion q;
Mat4 mat = getNodeToWorldTransform();
mat.decompose(nullptr, &q, nullptr);
return q;
}
}
void TransformGizmo::transformSelectedEntities(const Vector3 &move, const Vector3 &scale, Number rotate) {
if(firstMove) {
firstMove = false;
dispatchEvent(new TrasnformGizmoEvent(mode), Event::SELECT_EVENT);
}
Vector3 globalCenter = getConcatenatedMatrix().getPosition();
for(int i=0; i < selectedEntities.size(); i++) {
if((orientation == ORIENTATION_GLOBAL && mode != TRANSFORM_SCALE_VIEW) || (ORIENTATION_LOCAL && mode == TRANSFORM_MOVE_VIEW)) {
entityPositions[i] += move;
Quaternion q;
Quaternion currentRotation = selectedEntities[i]->getRotationQuat();
Vector3 axisVector = transformConstraint;
axisVector = currentRotation.Inverse().applyTo(axisVector);
axisVector.Normalize();
q.fromAngleAxis(rotate, axisVector);
Vector3 newScale = selectedEntities[i]->getRotationQuat().applyTo(scale);
newScale.x = fabs(newScale.x);
newScale.y = fabs(newScale.y);
newScale.z = fabs(newScale.z);
if(scale.x < 0 || scale.y < 0 || scale.z < 0) {
newScale = newScale * -1.0;
}
if(centerMode == CENTER_MODE_MEDIAN) {
Vector3 globalPosition = selectedEntities[i]->getConcatenatedMatrix().getPosition();
Quaternion tQ;
tQ.fromAngleAxis(rotate, transformConstraint);
Vector3 trans = globalCenter + tQ.applyTo(globalPosition-globalCenter) - globalPosition;
globalPosition += trans;
selectedEntities[i]->setPosition(globalPosition - selectedEntities[i]->getParentEntity()->getConcatenatedMatrix().getPosition());
selectedEntities[i]->setRotationByQuaternion(currentRotation * q);
if(move.length() == 0.0) {
entityPositions[i] = selectedEntities[i]->getPosition();
}
selectedEntities[i]->setScale(selectedEntities[i]->getScale() * (Vector3(1.0, 1.0, 1.0)+newScale));
if(newScale.length() > 0.0) {
Vector3 scalePosition;
scalePosition.x = globalPosition.x + ((globalPosition.x - globalCenter.x) * newScale.x);
scalePosition.y = globalPosition.y + ((globalPosition.y - globalCenter.y) * newScale.y);
scalePosition.z = globalPosition.z + ((globalPosition.z - globalCenter.z) * newScale.z);
scalePosition = selectedEntities[i]->getParentEntity()->getConcatenatedMatrix().Inverse().transpose() * scalePosition;
selectedEntities[i]->setPosition(scalePosition);
if(move.length() == 0.0) {
entityPositions[i] = selectedEntities[i]->getPosition();
}
}
} else {
selectedEntities[i]->setRotationByQuaternion(currentRotation * q);
selectedEntities[i]->setScale(selectedEntities[i]->getScale() * (Vector3(1.0, 1.0, 1.0)+newScale));
}
} else {
entityPositions[i] += getRotationQuat().applyTo(move);
Quaternion q;
Quaternion currentRotation = selectedEntities[i]->getRotationQuat();
Vector3 axisVector = transformConstraint;
// always global in the 2d view
if(gizmoMode != GIZMO_MODE_3D || mode == TRANSFORM_ROTATE_VIEW) {
axisVector = currentRotation.Inverse().applyTo(axisVector);
}
axisVector.Normalize();
q.fromAngleAxis(rotate, axisVector);
if(centerMode == CENTER_MODE_MEDIAN) {
Vector3 globalPosition = selectedEntities[i]->getConcatenatedMatrix().getPosition();
Quaternion tQ;
tQ.fromAngleAxis(rotate, getRotationQuat().applyTo(axisVector));
Vector3 trans = globalCenter + tQ.applyTo(globalPosition-globalCenter) - globalPosition;
globalPosition += trans;
selectedEntities[i]->setPosition(globalPosition - selectedEntities[i]->getParentEntity()->getConcatenatedMatrix().getPosition());
selectedEntities[i]->setRotationByQuaternion(currentRotation * q);
if(move.length() == 0.0) {
entityPositions[i] = selectedEntities[i]->getPosition();
}
selectedEntities[i]->setScale(selectedEntities[i]->getScale() * (Vector3(1.0, 1.0, 1.0)+scale));
if(scale.length() > 0.0) {
Vector3 scalePosition;
scalePosition.x = globalPosition.x + ((globalPosition.x - globalCenter.x) * scale.x);
scalePosition.y = globalPosition.y + ((globalPosition.y - globalCenter.y) * scale.y);
scalePosition.z = globalPosition.z + ((globalPosition.z - globalCenter.z) * scale.z);
scalePosition = selectedEntities[i]->getParentEntity()->getConcatenatedMatrix().Inverse().transpose() * scalePosition;
selectedEntities[i]->setPosition(scalePosition);
if(move.length() == 0.0) {
entityPositions[i] = selectedEntities[i]->getPosition();
}
}
} else {
selectedEntities[i]->setRotationByQuaternion(currentRotation * q);
selectedEntities[i]->setScale(selectedEntities[i]->getScale() * (Vector3(1.0, 1.0, 1.0)+scale));
}
}
// snap if moving and snap is on
if(scale.length() == 0.0 && rotate == 0.0) {
if(snapEnabled) {
Vector3 snappedPositon = entityPositions[i];
snappedPositon.x = round(((Number)snappedPositon.x)/(snapSize)) * snapSize;
snappedPositon.y = round(((Number)snappedPositon.y)/(snapSize)) * snapSize;
snappedPositon.z = round(((Number)snappedPositon.z)/(snapSize)) * snapSize;
selectedEntities[i]->setPosition(snappedPositon);
} else {
selectedEntities[i]->setPosition(entityPositions[i]);
}
}
}
}
