light up my mesh

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Abomination

I have a mesh, parented to a pivot, parented to another pivot, parented to the camera.
More or less like this:
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Graphics3D DWidth,DHeight,DDepth
ScapeCam=CreateCamera()
AmbientLight 0,0,0
CameraRange scapecam,1,1000
CameraProjMode ScapeCam,1
ScapePivot=CreatePivot(ScapeCam)
aspect#=Float(viewheight)/viewwidth
PositionEntity ScapePivot,-1,aspect,1
scale#=2.0/scapeviewwidth
ScaleEntity ScapePivot,scale,-scale,-scale
ScapePivot=CreatePivot(ScapePivot)
PositionEntity ScapePivot,-.5,-.5,0
Scapelight=CreateLight(1,scapepivot)
PositionEntity scapelight,0,0,0 ??????(other values have no effect?)

(I create a mesh named QMesh representing a landscape here...)

EntityParent Qmesh,ScapePivot
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Now the lighting comes from the direction of the camera and I want it to come from the left, but I can't get it to work.
Anybody any ideas?
Much appreciated!