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I have a cube defined as : float vertices[] = { //Vertices according to faces -1.0f, -1.0f, 1.0f, //Vertex 0 1.0f, -1.0f, 1.0f, //v1 -1.0f, 1.0f, 1.0f, //v2 1.0f, 1.0f, 1.0f, //v3 1.0f, -1.0f, 1.0f, //... 1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, -1.0f, 1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, 1.0f, 1.0f, -1.0f, -1.0f, 1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, 1.0f, -1.0f, 1.0f, -1.0f, -1.0f, 1.0f, 1.0f, -1.0f, -1.0f, -1.0f, 1.0f, -1.0f, -1.0f, -1.0f, -1.0f, 1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 1.0f, 1.0f, -1.0f, }; What are the normals for this cube? I need the actual values for the normals. Do we need 6 or 12 normals? Since OpenGL ES uses only triangles which means we need 12 normals but I could be wrong.
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