Function cell_direction

tools/imposter-baker/src/octahedral.rs:36–38

Direction (model → camera) for cell `(i, j)`.

(i: u32, j: u32, n: u32)

/// Direction (model → camera) for cell `(i, j)`.
pub fn cell_direction(i: u32, j: u32, n: u32) -> [f32; 3] {
    octahedral_decode(cell_center_uv(i, j, n))
}