normals

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Unusual Lighting Effects - Random Polygons Coloured

I am working on creating an object loader for use with iOS, I have managed to load the vertices, normals and face data from and OBJ file, and then place this data into arrays for reconstructing the ob[详细]

2023-04-09 08:39 分类：问答
Trying to fix 3D mesh normals

I have triangle collection that define mesh surface of my 3D shape, I would like to fix normal of each triangle to point outshape.[详细]

2023-03-31 09:24 分类：问答
Half normals are wrong

I\'m using a program called sculptris to create models in Wavefront OBJ format. I just created my first couple models and am now trying to import them into an OpenGL scene. I\'ve never written an obje[详细]

2023-03-21 08:08 分类：问答
Calculating normals in a triangle mesh

I have drawn a triangle mesh with 10000 vertices(100x100) and it will be a grass ground. I used gldrawelements() for it. I have looked all day and still can\'t understand how to calculate the normals[详细]

2023-03-19 06:53 分类：问答
Method for finding normals to a voxel surface

I was working on a method to approximate the normal to a surface of a 3d voxel image. The method suggested in this article (only algorithm I found via Google) seems to work.The suggested method from[详细]

2023-03-18 03:12 分类：问答
Per-Vertex Normals from perlin noise?

I\'m generating terrain in Opengl geometry shader and am having trouble calculating normals for lighting. I\'m generating the terrain dynamically each frame with a perlin noise function implemented in[详细]

2023-03-16 01:09 分类：问答
Direction of normals

Currently, I have a program that will revolve a simple 2d polygon around the x-axis to create a 3D shape. The problem is that in order to make sure that the normals for the surfaces are aligned correc[详细]

2023-03-07 08:47 分类：问答
averaging pixel locations to find a surface normal. (2D)

I Am working on a 2D game in XNA that needs some physics. I have found that physics engines such as Farseer will not cut it due to some of the ways they work. (thats a long story involving rewriting t[详细]

2023-03-06 02:05 分类：问答
What is a normal in OpenGL?

I heard that I should use normals instead of colors, because colors are deprecated. (Is that true?) Normals have something to do with the开发者_JAVA技巧 reflection of light, but I can\'t find a clear[详细]

2023-03-03 13:52 分类：问答
GLSL normals with non-standard projection matrix

After a few days of getting my GLSL vertex shader to display the vertices correctly, I\'ve now moved onto lighting! My understanding of openGL lighting/normals isn\'t great by any stretch of the imagi[详细]

2023-02-27 05:24 分类：问答