camera{ cylinder 4 // horizontal cylinder, viewpoint moves along the cylinder's axis // field of view can be controlled by 'angle', 'up' and 'right' vectors location < -2.50, 2.50, -5 > angle 60 up <0,0.1,0> right <8,0,0> look_at <-2.50, 2.50, 4.00 > } //---------------------------------