A vector that is perpendicular to an object's surface.

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2
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0answers
27 views

Weird warping with per-vertex normals

I've had this little problem for a while now, where for some reason my calculations for per-vertex normals results in a weird distortion or warping, skewing my lighting, shading, and reflection ...
2
votes
0answers
245 views

Vertex Normals, Loading Mesh Data

My test FBX mesh is a cube. From what I surmise, it seems that the cube is on the extreme end of this issue, but I believe that the same issue would be able to occur in any mesh: Each vertex has 3 ...
1
vote
0answers
148 views

Confused About My Code Suggesting The Normal Matrix Is Equivalent To The ModelView Matrix

I'm learning environment mapping in OpenGL by following this page. In his vertex shader, the author calculates the vertex normal in eye space with the following code: nEye = vec3(viewMatrix * ...
0
votes
0answers
45 views

Wrong Normal When Models is Close to Each Other

I have a problem regarding my Normal FrameBuffer that creates gaps between models. The image below contains 10x2x10 block (Minecraft style) and one character. The image is outputed through: ...
0
votes
0answers
28 views

Unity flipped everything in level

So, I have this problem, where my level shows backfaces instead of normal facing polygons. Even the terrain have the normals flipped and the axes manipulator and object manipulator are black. It use ...
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0answers
39 views

How to fix surface normal for mesh

I am developing an application that has to take STL files from users. However, some modeling programs seem to invert some of the surface normals. Basically some surface normals will be facing inward ...