code

RawModel ModelLoader::createTerrain()
    {
        int count = TERRAIN_VERTICES * TERRAIN_VERTICES;
        float vertices[count * 3];
        float normals[count *3];
        float colors[count * 3];
        int indices[6 * (TERRAIN_VERTICES-1) * (TERRAIN_VERTICES*1)];
        int vertexPointer = 0;
        for(int i = 0; i < TERRAIN_VERTICES; i++){
            for(int j = 0; j < TERRAIN_VERTICES; j++)
            {
                vertices[vertexPointer*3] = (float)j/((float)TERRAIN_VERTICES - 1) * TERRAIN_SIZE;
                //HEIGHT HERE
                vertices[vertexPointer*3+1] = 0;
                vertices[vertexPointer*3+2] = (float)i/((float)TERRAIN_VERTICES - 1) * TERRAIN_SIZE;
                normals[vertexPointer*3] = 0;
                normals[vertexPointer*3+1] = 1;
                normals[vertexPointer*3+2]= 0;
                colors[vertexPointer*3] = ((float) rand() / (RAND_MAX));
                colors[vertexPointer*3+1] = ((float) rand() / (RAND_MAX));
                colors[vertexPointer*3+2] = ((float) rand() / (RAND_MAX));

                vertexPointer++;
            }}

        int pointer = 0;
        for(int gz = 0; gz < TERRAIN_VERTICES-1; gz++)
            for(int gx = 0; gx < TERRAIN_VERTICES-1; gx++)
            {
                int topLeft = (gz*TERRAIN_VERTICES) + gx;
                int topRight = topLeft + 1;
                int bottomLeft = ((gz + 1) * TERRAIN_VERTICES) + gx;
                int bottomRight = bottomLeft +1;
                indices[pointer++] = topLeft;
                indices[pointer++] = bottomLeft;
                indices[pointer++] = topRight;
                indices[pointer++] = topRight;
                indices[pointer++] = bottomLeft;
                indices[pointer++] = bottomRight;
            }
        return createVAO_VCNIN(vertices, colors, normals, indices, 3*count, 6 * (TERRAIN_VERTICES-1) * (TERRAIN_VERTICES*1));
    }