예제 #1
0
/***********************************************************
get direction vector
***********************************************************/
LbaVec3 LbaQuaternion::GetDirection(const LbaVec3 &vec)
{
	NxVec3 dir(vec.x, vec.y, vec.z);
	NxQuat current;
	current.setXYZW(X, Y, Z, W);

	current.rotate(dir);

	return LbaVec3(dir.x, dir.y, dir.z);
}
예제 #2
0
void NxVehicle::standUp()
{
	NxVec3 pos = getActor()->getGlobalPosition() + NxVec3(0,2,0);
	NxQuat rot = getActor()->getGlobalOrientationQuat();
	NxVec3 front(1,0,0);
	rot.rotate(front);
	front.y = 0;
	front.normalize();

	NxReal dotproduct  = front.x;

	NxReal angle = NxMath::sign(-front.z) * NxMath::acos(dotproduct);

	rot.fromAngleAxis(NxMath::radToDeg(angle), NxVec3(0,1,0));
	getActor()->setGlobalPosition(pos);
	getActor()->setGlobalOrientationQuat(rot);
	getActor()->setLinearVelocity(NxVec3(0,0,0));
	getActor()->setAngularVelocity(NxVec3(0,0,0));
}