diff --git a/qglengine/core/gltransform.cpp b/qglengine/core/gltransform.cpp
index d725900..adfe327 100644
--- a/qglengine/core/gltransform.cpp
+++ b/qglengine/core/gltransform.cpp
@@ -377,7 +377,7 @@ QQuaternion Transform::fromAxes(const QVector3D & xAxis, const QVector3D & yAxis
 }
 
 
-QVector3D Transform::fromDirection(QVector3D d) {
+QVector3D Transform::fromDirection(QVector3D d, float roll) {
 	QVector3D ret;
 	//QMatrix3x3 m = QQuaternion::fromDirection(d, QVector3D()).toRotationMatrix();
 	//ret[0] = -atan2(m(0, 2), m(1, 2));
@@ -385,7 +385,12 @@ QVector3D Transform::fromDirection(QVector3D d) {
 	//ret[2] =  atan2(m(2, 0), m(2, 1));
 	d.normalize();
 	ret[0] = M_PI - acos(d.z());
+	ret[1] = roll * deg2rad;
 	ret[2] = -atan2(d.x(), d.y());
+	if (ret[0] <  0.) ret[0] += M_2PI;
+	if (ret[0] >= M_2PI) ret[0] -= M_2PI;
+	if (ret[2] <  0.) ret[2] += M_2PI;
+	if (ret[2] >= M_2PI) ret[2] -= M_2PI;
 	return ret * rad2deg;
 }
 
diff --git a/qglengine/core/gltransform.h b/qglengine/core/gltransform.h
index 6dbadbf..096d48c 100644
--- a/qglengine/core/gltransform.h
+++ b/qglengine/core/gltransform.h
@@ -73,7 +73,7 @@ public:
 													 const QVector3D & axis3, float angle3);
 	static QQuaternion fromAxes(const QVector3D & xAxis, const QVector3D & yAxis, const QVector3D & zAxis);
 
-	static QVector3D fromDirection(QVector3D d);
+	static QVector3D fromDirection(QVector3D d, float roll = 0.f);
 	static QVector3D fromRotationMatrix(const QMatrix3x3 & m);
 	static QMatrix3x3 toRotationMatrix(const QVector3D & r);
 
diff --git a/qglengine/globject.cpp b/qglengine/globject.cpp
index 4f00cf2..d3fb39f 100644
--- a/qglengine/globject.cpp
+++ b/qglengine/globject.cpp
@@ -453,7 +453,7 @@ QVector3D AimedObject::worldAim() const {
 
 void AimedObject::setAim(const QVector3D & p) {
 	QVector3D dir = p - pos();
-	trans.setRotation(Transform::fromDirection(dir));
+	trans.setRotation(Transform::fromDirection(dir, trans.rotationY()));
 	aim_dist = dir.length();
 	buildTransform();
 	//qDebug() << "setAim" << p << aim();
diff --git a/qglengine/mouse_controller.cpp b/qglengine/mouse_controller.cpp
index 3ae62c9..4d8c6fa 100644
--- a/qglengine/mouse_controller.cpp
+++ b/qglengine/mouse_controller.cpp
@@ -137,13 +137,9 @@ void MouseController::mouseMoveEvent(QMouseEvent * e) {
 				QMatrix4x4 pmat;
 				foreach (ObjectBase * o, objects) {
 					pmat.setToIdentity();
-					if (o->selected_aim) {
-						pmat = o->itransform_.inverted();
-					} else {
-						if (o->parent())
-							pmat = o->parent()->worldTransform().inverted();
-					}
-					QVector3D dv = (pmat * QVector4D(axe_vector, 0)).toVector3D();
+					if (o->parent())
+						pmat = o->parent()->worldTransform().inverted();
+					QVector3D dv = pmat.mapVector(axe_vector);
 					if (o->selected_aim) {
 						AimedObject * ao = (AimedObject*)o;
 						ao->setAim(ao->aim() + dv);