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ChaosFissure In reply to TattooFox [2011-06-17 19:41:17 +0000 UTC]

When you add the plane [Add -> Mesh -> Plane], in order to have transparent shadows, you need to make a new material on the Plane. Settings regarding shading, coloring, reflectivity, and so forth are all dictated by materials, so you MUST add a material to the plane in order to modify them.

I hope this answers your question!

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TattooFox In reply to ChaosFissure [2011-06-17 19:59:50 +0000 UTC]

it certainly did. thank you.

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ChaosFissure In reply to TattooFox [2011-06-17 20:02:00 +0000 UTC]

Glad I could help! If all goes well, I should be ready to put up another few tutorials next week; this one render I'm working on is just sucking all my time.

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TattooFox In reply to ChaosFissure [2011-06-17 20:17:05 +0000 UTC]

I cant wait. im still on part 3b. i cant figure out how to get it to glow no matter what i try.

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ChaosFissure In reply to TattooFox [2011-06-17 20:36:00 +0000 UTC]

Part 4 includes a .blend file for 2.5x that shows the setup I used to ultimately render my image.


There's two options to make it glow - I'll cover that in a tutorial I'll make soon, but I'll share it here now.

First - you can take a point light and put it inside of the shape you made. As long as the shape has a material with transparency, and your floor materials have "receive transparent" enabled, you should be able to see the transparent casting of light on the floor.

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Second - easier to do, but more intensive, and longer, in rendering:

- Go to your material and select the material you want to glow.
- Remember how I had you click the "volume" button for the material that you wanted to glow? You can turn it back to "surface" or leave it as volume. I recommend using "Surface" because it takes less time to calculate and render.

For SURFACE:

- Under "shading" in the materials window, go to "Emit" and enter 1.

For VOLUME:
- Under "shading," go to "emission" and put in 1.

THEN:

- In the properties window, select "World" instead of "Material" (it should be third from the left).
- Scroll Down.
- Enable "Indirect Lighting."
- Scroll down too "Gather."
- Click on "Approximate."
- Go back to "Indirect Lighting."
- The higher value "Bounces" is, the more times and more realistic the indirect lighting is. It also takes longer to calculate.


To prove that this does indeed glow, you can render this WITHOUT the light sources and see that the material indeed is casting light about the stage.

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