We're not getting shadowing from our bump. ![]() The other thing is that your bump map doesn't look very bumpy, right? The normals are the only thing we're modifying. Default distance is almost never a good idea. We're scaling it down here to centimeter level bump instead, by setting the distance to 0.01. For a cube that's only two units cubed, that'd be ridiculous. The normals that a bump map node generates are the normals that you'd get if white meant a displacement of 1 Blender unit- 1 meter, typically- over black. ![]() The first is that I set the distance to a very small number. It's a different technique to do the same thing, that has its pros and cons as compared to normal mapping.īefore I get any further, let me point a few things out. I didn't use a normal map node bump mapping replaces normal mapping. You're on the right track with your image, you're just doing a little bit too much. Because you're interested in using your image to change the normals, it's called a bump map. There's nearly no difference between the two, beyond what they're used for. When you use a grayscale image to simulate height, it's either called a displacement map or a bump map.
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