Method createCube

OgreMain/src/OgrePrefabFactory.cpp:138–296

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    }
    //---------------------------------------------------------------------
    void PrefabFactory::createCube(Mesh* mesh)
    {
        SubMesh* sub = mesh->createSubMesh();

        const int NUM_VERTICES = 4 * 6; // 4 vertices per side * 6 sides
        const int NUM_ENTRIES_PER_VERTEX = 8;
        const int NUM_VERTEX_ENTRIES = NUM_VERTICES * NUM_ENTRIES_PER_VERTEX;
        const int NUM_INDICES = 3 * 2 * 6; // 3 indices per face * 2 faces per side * 6 sides

        const float CUBE_SIZE = 100.0f;
        const float CUBE_HALF_SIZE = CUBE_SIZE / 2.0f;

        // Create 4 vertices per side instead of 6 that are shared for the whole cube.
        // The reason for this is with only 6 vertices the normals will look bad
        // since each vertex can "point" in a different direction depending on the face it is included in.
        float vertices[NUM_VERTEX_ENTRIES] = {
            // front side
            -CUBE_HALF_SIZE, -CUBE_HALF_SIZE, CUBE_HALF_SIZE,   // pos
            0,0,1,  // normal
            0,1,    // texcoord
            CUBE_HALF_SIZE, -CUBE_HALF_SIZE, CUBE_HALF_SIZE,
            0,0,1,
            1,1,
            CUBE_HALF_SIZE,  CUBE_HALF_SIZE, CUBE_HALF_SIZE,
            0,0,1,
            1,0,
            -CUBE_HALF_SIZE,  CUBE_HALF_SIZE, CUBE_HALF_SIZE ,
            0,0,1,
            0,0,

            // back side
            CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
            0,0,-1,
            0,1,
            -CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
            0,0,-1,
            1,1,
            -CUBE_HALF_SIZE, CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
            0,0,-1,
            1,0,
            CUBE_HALF_SIZE, CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
            0,0,-1,
            0,0,

            // left side
            -CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
            -1,0,0,
            0,1,
            -CUBE_HALF_SIZE, -CUBE_HALF_SIZE, CUBE_HALF_SIZE,
            -1,0,0,
            1,1,
            -CUBE_HALF_SIZE, CUBE_HALF_SIZE, CUBE_HALF_SIZE,
            -1,0,0,
            1,0,
            -CUBE_HALF_SIZE, CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
            -1,0,0,
            0,0,