/**
* @brief
* Returns position, rotation and scale from a matrix
*/
void PLTools::GetPosRotScale(const GMatrix &mTransform, Point3 &vPos, Quat &qRot, Point3 &vScale, bool bFlip)
{
// Get the position
vPos = mTransform.Translation();
// Get the rotation of the node as quaternion
qRot = mTransform.Rotation();
// Flip 180 degree around the y-axis? (true for camera and spot lights)
if (bFlip) {
Quat qRotationOffset;
// We have to add a rotation about the x-axis of -90 degree... is this a IGame transform bug or something other odd??
float fAngles[] = {static_cast<float>(HALFPI), 0.0f, 0.0f};
EulerToQuat(fAngles, qRotationOffset);
qRot = qRotationOffset*qRot;
// We have to 'invert the z-axis', this is no PixelLight bug or so, we decided to do so to make things more universal
fAngles[0] = 0.0f;
fAngles[2] = static_cast<float>(PI);
EulerToQuat(fAngles, qRotationOffset);
qRot = qRotationOffset*qRot;
}
// Look out! We REALLY need to take the parity of the transform matrix into account!
vScale = mTransform.Scaling()*static_cast<float>(mTransform.Parity());
}
