> No environment lighting, because it makes the texture show, like the black light would. > Ambient occlusion only allowed if on Multiply > Position it fairly close to the surface that will react to it > Parent (Ctrl+P) the light to the box so that when the box moves, the light stays with it > Add around it a box to help block some of the light from the viewer > Set it's Emit to ~150 (depends on the scale of your light and scene) > Add a new blue or purple material to it > Disable both Color and Emit influence and make sure that only Ambient influence is on and on 1įeel free to adjust the contrast of your texture with the ramp option. > Add a new texture, leave it on Color Influence and enable Emit Influence to make sure it is the right size and correctly mapped > Enable receiving of transparent shadows in the Shadow section > Make sure Ambient light is set to 1 in the Shading section, not Shadow, but Shading > Make it any color except white or black (black mutes the effect and white washes it out) > Basically, add an object (the one that is to receive the light) This is the first real practical use HE's given me for it, so I hope it proves useful to you all! GOD wanted me informed about where the textures apply and how to make them visible, but for this specifically, HE hadn't given me any practical application apart from possible caustics on stationary objects, like the walls in a pool room, which I haven't tried yet. I don't know how many know that you can actually do this in Blender, but I only found out while writing the book. Click the image to see it in motion opens in a new tab on FireFox
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