def CreateRotationControl(Obj, DIRECTION_WHEELS, parent):
posObjx = app.GetValue(str(Obj.Name) + ".kine.local.posx")
posObjy = app.GetValue(str(Obj.Name) + ".kine.local.posy")
posObjz = app.GetValue(str(Obj.Name) + ".kine.local.posz")
SIZE = Tools.GetBoundingSize(Obj)
radio = (SIZE[1][1] - SIZE[1][0]) / 2
#define a direction controll for each wheel
DIR = Tools.CreateNullByPose("DIR", parent, posObjx, posObjz)
DIRECTION_WHEELS.append(DIR)
DIR.shadow_colour_custom = True
DIR.size = radio
DIR.primary_icon = 6
DIR.shadow_icon = 7
DIR.shadow_offsetY = 2.5
DIR.shadow_scaleZ = 0.5
DIR.shadow_scaleY = 0.5
DIR.shadow_scaleX = 0.5
#Define a Circle to rotate the whel
Cv = Tools.AddWheelsCurves(DIR, posObjx, posObjy, radio)
#Translate the controller to the good position
posDIRx = app.SetValue(DIR.Name + ".kine.local.posx", posObjx, "")
posDIRz = app.SetValue(DIR.Name + ".kine.local.posz", posObjz, "")
app.ParentObj(Cv.Name, Obj.Name) #Parent the object unther the curve
R = [DIR, Cv]
return R
