Function transvoxel::shrink_if_needed

pub fn shrink_if_needed(
    x: &mut f32, 
    y: &mut f32, 
    z: &mut f32, 
    xi: isize, 
    yi: isize, 
    zi: isize, 
    cell_size: f32, 
    subdivisions: usize, 
    transition_sides: &TransitionSides
)

This function is only made public for our examples, to display the voxel grid. Regular users should not need it