please can someone help
let's say i have a simple room with a sphere in it. if i render the room i have this:
now i add a 'cube' which casts shadows on the sphere:
how do i render only the shadows that are cast by the cube?
i tried the Render Layers BlackLayerShadows and LayerShadows but i get this, which looks like the walls of the room are being ignored?:
i should be getting something like this:
am i going about this the right way?
how do i get a shadow pass like the last image?