Icosahedron

icosahedron.cc

static GLfloat const minor = 0.5257311f;
static GLfloat const major = 0.8506508f;

float const icosahedron_position[12][3] = {
    {0.f, +minor, +major},
    {0.f, +minor, -major},
    {0.f, -minor, +major},
    {0.f, -minor, -major},
    {+major, 0.f, +minor},
    {+major, 0.f, -minor},
    {-major, 0.f, +minor},
    {-major, 0.f, -minor},
    {+minor, +major, 0.f},
    {+minor, -major, 0.f},
    {-minor, +major, 0.f},
    {-minor, -major, 0.f},
};

int const icosahedron_index[20][3] = {
    {8, 10, 0},
    {9, 3, 5},
    {0, 6, 2},
    {3, 7, 1},
    {1, 8, 5},
    {7, 11, 6},
    {8, 0, 4},
    {11, 9, 2},
    {6, 10, 7},
    {2, 9, 4},
    {10, 1, 7},
    {9, 5, 4},
    {10, 8, 1},
    {3, 11, 7},
    {8, 4, 5},
    {11, 2, 6},
    {4, 0, 2},
    {5, 3, 1},
    {0, 10, 6},
    {9, 11, 3},
};