How do you make a Visible Light Path?
For example, I would like to render a projector shooting an image onto a screen.
How do I show a visible beam of light from the projector to the screen?
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Replies
You use the Beam tab on the Lighting Wizard.
Take a look at:
www.renderplus.com/wp2/wk/Visible_Light_Paths.htm
We suggest you play around in with this in a simple model to see what works better for you.