I have various problems with baking, especially normal maps. I heard it's better to have a cage, but how do I create a cage?
Here is a picture of how it looks.
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1Could you please add some more details? Like what kind of problems you are having. – PGmath Dec 20 '14 at 18:00
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i leterallydont know how to create a cage :D – TheCycleOfBlend Dec 20 '14 at 18:01
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@TheCycleOfBlend But what has gone wrong with the normal baking that makes you think you need a cage? – Ray Mairlot Dec 20 '14 at 18:06
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welli have artifacts on my normall map and weird stuff of course i could add it to the question – TheCycleOfBlend Dec 20 '14 at 18:08
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From polycount wiki:
Most normal map baking tools allow you to use a distance-based raycast. A ray is sent outwards along each vertex normal, then at the distance you set a ray is cast back inwards. Where ever that ray intersects the high poly mesh, it will sample the normals from it.
Unfortunately with a distance-based raycast, split vertex normals will cause the bake to miss parts of the high-res mesh, causing errors and seams.
Some software allows you to use cage mesh option instead, which basically inflates a copy of the low-poly mesh, then raycasts inwards from each vertex. This ballooned-out mesh is the cage.
So the Cage mesh is a low-poly mesh defining how far will be the rays cast. Its good for fine control, but usually you can get away with just properly set Ray Distance in the Baking panel and having smooth shading.
Jaroslav Jerryno Novotny
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