Exemplo n.º 1
0
def quat_mult_vec(quat, v):
    qvec = quat.vector()
    uv = QVector3D.crossProduct(qvec, v)
    uuv = QVector3D.crossProduct(qvec, uv)
    uv = uv * 2.0 * quat.scalar()
    uuv = uuv * 2.0

    return v + uv + uuv
Exemplo n.º 2
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def quat_mult_vec(quat, v):
    qvec = quat.vector()
    uv = Vec.crossProduct(qvec, v)
    uuv = Vec.crossProduct(qvec, uv)
    uv = uv * 2.0 * quat.scalar()
    uuv = uuv * 2.0

    return v + uv + uuv
Exemplo n.º 3
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def updateScene():
    global mesh
    global shader
    global angle
    global t
    dt = time() - t - t0
    t += dt

    angle = t*math.pi/2
    camera.lookAt(QVector3D(math.cos(angle), math.sin(angle), 1), QVector3D(0,0,0), QVector3D(0,0,1))
Exemplo n.º 4
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    def getPivotPos(self, ents):
        '''Median position used as pivot point'''
        xs = [e.placeable.position.x() for e in ents]
        ys = [e.placeable.position.y() for e in ents]
        zs = [e.placeable.position.z() for e in ents]

        minpos = QVector3D(min(xs), min(ys), min(zs))
        maxpos = QVector3D(max(xs), max(ys), max(zs))
        median = (minpos + maxpos) / 2

        return median
Exemplo n.º 5
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    def _manipulate2(self, ents, amountx, amounty, changevec, centervecs,
                     centerpoint):
        # calculate quaternion for rotation
        # get axis
        # print "amountx %s"%amountx
        # print "amounty %s"%amounty
        # print "changevec %s"%changevec

        if self.grabbed and self.grabbed_axis is not None:
            local = False  # self.controller.useLocalTransform
            mov = changevec.length() * 30

            axis = None
            #angle = 90 # just do 90 degrees rotations
            #angle = 15 # just do 15 degrees rotations
            angle = 5  # just do 5 degrees rotations

            if amountx < 0 and amounty < 0:
                dir = -1
            elif amountx < 0 and amounty >= 0:
                dir = 1
                if self.grabbed_axis == self.AXIS_BLUE:
                    dir *= -1
            elif amountx >= 0 and amounty < 0:
                dir = -1
            elif amountx >= 0 and amounty >= 0:
                dir = 1

            mov *= dir
            angle *= dir
            q = None

            euler = None
            if self.grabbed_axis == self.AXIS_RED:  #rotate around x-axis
                axis = QVector3D(1, 0, 0)
                # disable this for now
                # return
            elif self.grabbed_axis == self.AXIS_GREEN:  #rotate around y-axis
                axis = QVector3D(0, 1, 0)
                # disable this for now
                # return
            elif self.grabbed_axis == self.AXIS_BLUE:  #rotate around z-axis
                axis = QVector3D(0, 0, 1)

            q = QQuaternion.fromAxisAndAngle(axis, angle)
            q.normalize()

            self._rotateEntsWithQuaternion(q, ents, amountx, amounty,
                                           changevec, centervecs, centerpoint)
            self._rotateEachEntWithQuaternion(q, ents, angle)
        pass
Exemplo n.º 6
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    def getPivotPos(self, ents):
        xs = [e.placeable.Position.x() for e in ents]
        ys = [e.placeable.Position.y() for e in ents]
        zs = [e.placeable.Position.z() for e in ents]

        minpos = Vec(min(xs), min(ys), min(zs))
        maxpos = Vec(max(xs), max(ys), max(zs))
        #median = (minpos + maxpos) / 2
        #there is some type prob with pythonqt and operator overloads, so this workaround is needed:
        median = minpos.__add__(maxpos).__div__(2)
        #print "Min:", minpos
        #print "Max:", minpos
        #print "Median:", median

        return median
Exemplo n.º 7
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 def getPivotPos(self, ents):        
     xs = [e.placeable.Position.x() for e in ents]
     ys = [e.placeable.Position.y() for e in ents]
     zs = [e.placeable.Position.z() for e in ents] 
             
     minpos = Vec(min(xs), min(ys), min(zs))
     maxpos = Vec(max(xs), max(ys), max(zs))
     #median = (minpos + maxpos) / 2
     #there is some type prob with pythonqt and operator overloads, so this workaround is needed:
     median = minpos.__add__(maxpos).__div__(2) 
     #print "Min:", minpos
     #print "Max:", minpos
     #print "Median:", median
     
     return median
Exemplo n.º 8
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 def calibrateVec(self, r, v):
     if (self.vectorLen(r) != 0):
         factor = self.vectorLen(v) / self.vectorLen(r)
         rx = factor * r.x()
         ry = factor * r.y()
         rz = factor * r.z()
         return QVector3D(rx, ry, rz)
     else:  # if original vector is zero length, the rotated one must be too, just return r
         return r
Exemplo n.º 9
0
 def hideManipulator(self):
     #r.logInfo("hiding manipulator")
     if self.usesManipulator:
         try: #XXX! without this try-except, if something is selected, the viewer will crash on exit
             #print "Hiding arrows!"
             if self.manipulator is not None:
                 self.manipulator.placeable.Scale = QVector3D(0.0, 0.0, 0.0) #ugly hack
                 self.manipulator.placeable.Position = QVector3D(0.0, 0.0, 0.0)#another ugly hack
                 self.manipulator.ruler.SetVisible(False)
                 #r.logInfo("hiding ruler hideManipulator")
                 self.manipulator.ruler.UpdateRuler()
             
             self.grabbed_axis = None
             self.grabbed = False
             remove_custom_cursors()
             
         except RuntimeError, e:
             r.logDebug("hideManipulator failed")
Exemplo n.º 10
0
    def _manipulate(self, ent, amountx, amounty, changevec):
        if self.grabbed and self.grabbed_axis is not None:
            local = self.controller.useLocalTransform
            mov = changevec.length() * 30
            ort = ent.placeable.Orientation

            if amountx < 0 and amounty < 0:
                dir = -1
            elif amountx < 0 and amounty >= 0:
                dir = 1
                if not local and self.grabbed_axis == self.AXIS_BLUE:
                    dir *= -1
            elif amountx >= 0 and amounty < 0:
                dir = -1
            elif amountx >= 0 and amounty >= 0:
                dir = 1

            mov *= dir

            if local:
                if self.grabbed_axis == self.AXIS_RED:
                    axis = QVector3D(1, 0, 0)
                elif self.grabbed_axis == self.AXIS_GREEN:
                    axis = QVector3D(0, 1, 0)
                elif self.grabbed_axis == self.AXIS_BLUE:
                    axis = QVector3D(0, 0, 1)

                ort = ort * QQuaternion.fromAxisAndAngle(axis, mov)
            else:
                euler = mu.quat_to_euler(ort)
                if self.grabbed_axis == self.AXIS_RED: #rotate around x-axis
                    euler[0] -= math.radians(mov)
                elif self.grabbed_axis == self.AXIS_GREEN: #rotate around y-axis
                    euler[1] += math.radians(mov)
                elif self.grabbed_axis == self.AXIS_BLUE: #rotate around z-axis
                    euler[2] += math.radians(mov)

                ort = mu.euler_to_quat(euler)

            ent.placeable.Orientation = ort
            ent.network.Orientation = ort
Exemplo n.º 11
0
    def _rotateEachEntWithQuaternion(self, q, ents, angle):
        """ Rotate each object along selected axis """
        for ent in ents:
            ort = ent.placeable.Orientation
                        
            v1 = ort.rotatedVector(QVector3D(1,0,0))
            v2 = ort.rotatedVector(QVector3D(0,1,0))
            v3 = ort.rotatedVector(QVector3D(0,0,1))

            # rotated unit vectors are equals of objects unit vectors in objects perspective
            # this gives equation M * x = x' (x=(i,j,k) & x'=(i',j',k'))
            # ( M = conversion matrix, x = world unit vector, x' = object unit vector)
            # multiply each sides of equation with inverted matrix of M^-1 gives us:
            # I * x = M^-1 *x' => x = M^-1 * x' 
            # => we can now express world unit vectors i,j,k with i',j',k' 
            # with help of inverted matrix, and use objects quaternion to rotate
            # along world unit vectors i, j, k
            
            m = ((v1.x(),v1.y(),v1.z()),(v2.x(),v2.y(),v2.z()),(v3.x(),v3.y(),v3.z()))
            inv = mu.invert_3x3_matrix(m)

            if self.grabbed_axis == self.AXIS_RED: #rotate around x-axis
                axis = QVector3D(inv[0][0],inv[0][1],inv[0][2]) 
            elif self.grabbed_axis == self.AXIS_GREEN: #rotate around y-axis
                axis = QVector3D(inv[1][0],inv[1][1],inv[1][2]) 
            elif self.grabbed_axis == self.AXIS_BLUE: #rotate around z-axis
                axis = QVector3D(inv[2][0],inv[2][1],inv[2][2]) 

            q = QQuaternion.fromAxisAndAngle(axis, angle)
            q.normalize()

            ent.placeable.Orientation = ort*q
Exemplo n.º 12
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    def render(self, camposx=None, camposy=None, camposz=None, camang=None):
#, camortx=None, camorty=None, camortz=None, camortw=None):
        cament = naali.getCamera()
        p = cament.placeable

        if camposx is not None:
            pos = Vec(*(float(v) for v in [camposx, camposy, camposz]))
            p.Position = pos

        if camang is not None:
            ort = p.Orientation
            start = Quat(0, 0, -0.707, -0.707)
            rot = Quat.fromAxisAndAngle(Vec(0, 1, 0), -float(camang))
            new = start * rot
            p.Orientation = new

        #if camortx is not None:
        #    ort = Quat(*(float(v) for v in [camortw, camortx, camorty, camortz]))
        #    p.Orientation = ort

        #return str(p.Position), str(p.Orientation) #self.render1()
        baseurl, imgname = save_screenshot()
        imgurl = baseurl + imgname

        pos = p.Position
        ort = p.Orientation
        #vec, ang = toAngleAxis(p.Orientation)
        #print vec, ang
        euler = quat_to_euler([ort.scalar(), ort.x(), ort.y(), ort.z()])
        ang = euler[0]
        if ang < 0:
            ang = 360 + ang

        return abshtml % (imgurl,
                          ang,
                          pos.x(), pos.y(), pos.z()
                          #ort.scalar(), ort.x(), ort.y(), ort.z(),
                          )
Exemplo n.º 13
0
    def render(self, camposx=None, camposy=None, camposz=None, camang=None):
#, camortx=None, camorty=None, camortz=None, camortw=None):
        cament = naali.getCamera()
        p = cament.placeable

        if camposx is not None:
            pos = Vec(*(float(v) for v in [camposx, camposy, camposz]))
            p.position = pos

        if camang is not None:
            ort = p.orientation
            start = Quat(0, 0, -0.707, -0.707)
            rot = Quat.fromAxisAndAngle(Vec(0, 1, 0), -float(camang))
            new = start * rot
            p.orientation = new

        #if camortx is not None:
        #    ort = Quat(*(float(v) for v in [camortw, camortx, camorty, camortz]))
        #    p.orientation = ort

        #return str(p.position), str(p.orientation) #self.render1()
        baseurl, imgname = save_screenshot()
        imgurl = baseurl + imgname

        pos = p.position
        ort = p.orientation
        #vec, ang = toAngleAxis(p.orientation)
        #print vec, ang
        euler = mu.quat_to_euler(ort)
        ang = euler[0]
        if ang < 0:
            ang = 360 + ang

        return abshtml % (imgurl,
                          ang,
                          pos.x(), pos.y(), pos.z()
                          #ort.scalar(), ort.x(), ort.y(), ort.z(),
                          )
Exemplo n.º 14
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    def setManipulatorScale(self, ents):
        if ents is None or len(ents) == 0:
            return

        campos = naali.getCamera().placeable.position
        ent = ents[-1]
        entpos = ent.placeable.position
        length = (campos - entpos).length()

        v = self.MANIPULATORSCALE
        factor = length * .1
        newv = QVector3D(v) * factor
        try:
            self.manipulator.placeable.scale = newv
        except AttributeError:
            pass
Exemplo n.º 15
0
    def changepos(self, i, v):
        #XXX NOTE / API TODO: exceptions in qt slots (like this) are now eaten silently
        #.. apparently they get shown upon viewer exit. must add some qt exc thing somewhere
        ent = self.active
        if ent is not None:
            qpos = QVector3D(ent.placeable.Position)
            if i == 0:
                qpos.setX(v)
            elif i == 1:
                qpos.setY(v)
            elif i == 2:
                qpos.setZ(v)

            ent.placeable.Position = qpos
            ent.network.Position = qpos
            self.manipulator.moveTo(self.sels)

            if not self.dragging:
                r.networkUpdate(ent.id)
            self.modified = True
Exemplo n.º 16
0
    def changescale(self, i, v):
        ent = self.active
        if ent is not None:
            qscale = ent.placeable.Scale
            #oldscale = list((qscale.x(), qscale.y(), qscale.z()))
            scale = list((qscale.x(), qscale.y(), qscale.z()))

            if not self.float_equal(scale[i], v):
                scale[i] = v
                #                if self.window.mainTab.scale_lock.checked:
                #                    #XXX BUG does wrong thing - the idea was to maintain aspect ratio
                #                    diff = scale[i] - oldscale[i]
                #                    for index in range(len(scale)):
                #                        #print index, scale[index], index == i
                #                        if index != i:
                #                            scale[index] += diff

                ent.placeable.Scale = QVector3D(scale[0], scale[1], scale[2])

                if not self.dragging:
                    r.networkUpdate(ent.id)
                self.modified = True
Exemplo n.º 17
0
                                       quat.y() * invlen,
                                       quat.z() * invlen)

        return vec, ang

    cament = naali.getCamera()
    p = cament.placeable

    #print toAngleAxis(p.orientation)

    ort = p.orientation
    euler = mu.quat_to_euler(ort)
    #print euler
    start = QQuaternion(0, 0, -0.707, -0.707)
    #print start
    rot = QQuaternion.fromAxisAndAngle(QVector3D(0, 1, 0), -10)
    new = start * rot
    print ort
    print new
    #p.orientation = new
    #print mu.euler_to_quat(euler), ort
        
if 0: #avatar set yaw (turn)
    #a = -1.0
    a = 0
    print "setting avatar yaw with %f" % a
    r.setAvatarYaw(a)

if 0: #avatar rotation #XXX crashes when the avatar is not there! XXX
    x = 0
    y = 0 
Exemplo n.º 18
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class Manipulator:
    NAME = "Manipulator"
    MANIPULATOR_MESH_NAME = "axes.mesh"
    USES_MANIPULATOR = True
    CURSOR_HOVER_SHAPE = Qt.OpenHandCursor
    CURSOR_HOLD_SHAPE = Qt.ClosedHandCursor

    MANIPULATORORIENTATION = QQuaternion(1, 1, 0, 0)
    MANIPULATORSCALE = QVector3D(1, 1, 1)

    MANIPULATOR_RULER_TYPE = EC_Ruler.Rotation

    MATERIALNAMES = None

    AXIS_RED = 0
    AXIS_GREEN = 1
    AXIS_BLUE = 2

    def __init__(self):
        #self.controller = creator
        self.manipulator = None
        self.grabbed_axis = None
        self.grabbed = False
        self.usesManipulator = self.USES_MANIPULATOR
        self.highlightedSubMesh = None
        self.axisSubmesh = None

        self.entCenterVectors = {}
        self.centerPoint = None

    def compareIds(self, id):
        if self.usesManipulator:
            if self.manipulator.id == id:
                return True
        return False

    def moveTo(self, ents):
        if self.manipulator:
            pos = self.getPivotPos(ents)
            self.manipulator.placeable.position = pos

    def getManipulatorPosition(self):
        if self.manipulator:
            return self.manipulator.placeable.position
        return None

    def createManipulator(self):
        if self.manipulator is None and self.usesManipulator:
            # create a local temporary entity, we dont want to sync this at least for now
            # as there is no deletion code when you leave the server!
            ent = naali.createMeshEntity(self.MANIPULATOR_MESH_NAME,
                                         606847240, ["EC_Gizmo", "EC_Ruler"],
                                         localonly=True,
                                         temporary=True)
            ent.SetName(self.NAME)
            ent.ruler.SetVisible(False)
            ent.ruler.SetType(self.MANIPULATOR_RULER_TYPE)
            ent.ruler.UpdateRuler()
            return ent

    def stopManipulating(self):
        self.grabbed_axis = None
        self.grabbed = False
        remove_custom_cursor(self.CURSOR_HOLD_SHAPE)
        try:
            self.manipulator.ruler.EndDrag()
        except:
            # TODO fix stopManipulating usage so it isn't called when manipulators aren't initialised properly yet
            pass

    def initVisuals(self):
        if self.manipulator is None:
            self.manipulator = self.createManipulator()
            self.hideManipulator()

    def showManipulator(self, ents):
        if self.usesManipulator and len(ents) > 0:
            self.moveTo(ents)
            self.setManipulatorScale(ents)
            try:
                ruler = self.manipulator.ruler
            except:
                ruler = self.manipulator.GetOrCreateComponentRaw("EC_Ruler")
            ruler.SetType(self.MANIPULATOR_RULER_TYPE)
            ruler.SetVisible(True)
            #r.logInfo("showing ruler showManipulator")
            ruler.UpdateRuler()
            if False:  # self.controller.useLocalTransform:
                # first according object, then manipulator orientation - otherwise they go wrong order
                self.manipulator.placeable.orientation = ents[
                    0].placeable.orientation * self.MANIPULATORORIENTATION
            else:
                self.manipulator.placeable.orientation = self.MANIPULATORORIENTATION

    def getPivotPos(self, ents):
        '''Median position used as pivot point'''
        xs = [e.placeable.position.x() for e in ents]
        ys = [e.placeable.position.y() for e in ents]
        zs = [e.placeable.position.z() for e in ents]

        minpos = QVector3D(min(xs), min(ys), min(zs))
        maxpos = QVector3D(max(xs), max(ys), max(zs))
        median = (minpos + maxpos) / 2

        return median

    def hideManipulator(self):
        #r.logInfo("hiding manipulator")
        if self.usesManipulator:
            try:  #XXX! without this try-except, if something is selected, the viewer will crash on exit
                #print "Hiding arrows!"
                if self.manipulator is not None:
                    self.manipulator.placeable.scale = QVector3D(
                        0.0, 0.0, 0.0)  #ugly hack
                    self.manipulator.placeable.position = QVector3D(
                        0.0, 0.0, 0.0)  #another ugly hack
                    self.manipulator.ruler.SetVisible(False)
                    #r.logInfo("hiding ruler hideManipulator")
                    self.manipulator.ruler.UpdateRuler()
                self.grabbed_axis = None
                self.grabbed = False
                remove_custom_cursors()
            except RuntimeError, e:
                r.logDebug("hideManipulator failed")
            except AttributeError, e:
                # this will happend on_exit() -> hideManipulator
                # the manipulator entitys components has been destroyed
                pass
Exemplo n.º 19
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 def vectorAdd(self, v1, v2):
     """ rotations stopped working when using v1-v2 and v1+v2, so currently this method remains here """
     x = v1.x()+v2.x()
     y = v1.y()+v2.y()
     z = v1.z()+v2.z()
     return QVector3D(x, y, z)
Exemplo n.º 20
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def get_right(entity):
    v = QVector3D(1.0, 0.0, 0.0)
    return quat_mult_vec(entity.placeable.orientation, v)
Exemplo n.º 21
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 def vectorAdd(self, v1, v2):
     x = v1.x() + v2.x()
     y = v1.y() + v2.y()
     z = v1.z() + v2.z()
     return QVector3D(x, y, z)
Exemplo n.º 22
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    def do_api_calls(self):
        yield "createMeshEntity"
        e = naali.createMeshEntity("axes.mesh")

        from PythonQt.QtGui import QVector3D, QQuaternion
        e.placeable.position = QVector3D(128, 128, 60)
        e.placeable.Scale = QVector3D(5, 5, 5)
        e.placeable.Orientation = QQuaternion(0, 0, 0, 1)
        r.removeEntity(e.Id)

        yield "EC_Touchable & EC_Highlight"
        for longname, shortname in [("EC_Touchable", 'touchable'),
                                    ("EC_Highlight", 'highlight')]:
            e = naali.getUserAvatar()
            e.GetOrCreateComponentRaw(longname)
            x = getattr(e, shortname)
            x.Show()
            x.Hide()
            assert x.IsVisible() == False

        yield "naali.createEntity"
        ent = naali.createEntity()
        print "new entity created:", ent

        yield "get camera FOV"
        fov = naali.getCamera().camera.GetVerticalFov()

        yield "avatar position"
        p = naali.getUserAvatar().placeable.position

        yield "avatar animation controller"
        naali.getUserAvatar().animationcontroller.EnableAnimation("Walk")

        yield "test sendChat"
        r.sendChat("test chat")

        yield "test logInfo"
        r.logInfo("test log message")

        #XXX deprecate
        yield "test camera yaw/itch"
        r.setCameraYawPitch(.1, .5)
        r.getCameraYawPitch()

        yield "test webview"
        import PythonQt
        wv = PythonQt.QtWebKit.QWebView()
        wv.show()

        yield "test dotscene loading"
        from localscene import loader
        loader.load_dotscene("pymodules/localscene/test.scene")

        yield "test dynamic component"
        ent = naali.getUserAvatar()
        ent.GetOrCreateComponentRaw("EC_DynamicComponent")
        print ent, type(ent)
        d = ent.EC_DynamicComponent
        d.CreateAttribute("real", 42.0)
        d.ComponentChanged(0)
        d.SetAttribute("real", 8.5)
        d.ComponentChanged(0)
        d.RemoveAttribute("real")
        d.ComponentChanged(0)

        yield "test javascript"
        cam = naali.getCamera()
        naali.runjs('print("Hello from JS! " + x)', {'x': naali.renderer})
        naali.runjs('print("Another hello from JS! " + x)',
                    {'x': naali.inputcontext})
        naali.runjs('print("Some camera! " + x)', {'x': cam.camera})
        #py objects are not qobjects. naali.runjs('print("Some camera, using naali :O ! " + x.getCamera())', {'x': naali})
        naali.runjs('print("Camera Entity " + x)', {'x': cam})
        naali.runjs('print("Camera placeable pos: " + pos)',
                    {'pos': cam.placeable.position})
        #not exposed yet. naali.runjs('print("QVector3D: " + new QVector3D())', {})
        #naali.runjs('var a = {"a": true, "b": 2};')
        #naali.runjs('print(a.a + ", " + a.b)')
        #naali.runjs('print(JSON.stringify(a))')
        #naali.runjs('print("1 + 1 == " + 1 + 1)')
        #naali.runjs('print("1 - 1 == " + 1 - 1)')
        print ", done."

        if 0:
            runjs('var b = new QPushButton;')
            runjs('b.text = "hep";')
            runjs('b.show();')
Exemplo n.º 23
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 def vectorDifference(self, v1, v2):
     x = v1.x() - v2.x()
     y = v1.y() - v2.y()
     z = v1.z() - v2.z()
     return QVector3D(x, y, z)
Exemplo n.º 24
0
    #~ #print keys, mats.keys(), mats[keys[0]]

if 0:  #qplaceable
    id = 2138143966
    #qplace = r.getQPlaceable(id)
    e = e.getEntity(id)
    qplace = e.placeable
    print qplace, qplace.Position

    oldz = qplace.Position.z()
    print oldz, "==>",

    import PythonQt.QtGui
    from PythonQt.QtGui import QVector3D
    change_v = QVector3D(0, 0, 0.1)
    #dir shows __add__ but for some reason doesn't work out of the box :(
    #"unsupported operand type(s) for +=: 'QVector3D' and 'QVector3D'"
    #qplace.Position += change_v
    #qplace.Position + change_v

    #bleh and this changes the val in the vec, but doesn't trigger the *vec* setter,
    #so no actual change in Naali internals
    #qplace.Position.setZ(oldz + 0.1)

    newpos = qplace.Position
    newpos.setZ(oldz + 0.1)
    qplace.Position = newpos
    print qplace.Position.z(), "."

if 0: