pub unsafe extern "C" fn graphene_ray_get_position_at(
r: *const graphene_ray_t,
t: c_float,
position: *mut graphene_point3d_t,
)
pub unsafe extern "C" fn graphene_ray_get_position_at(
r: *const graphene_ray_t,
t: c_float,
position: *mut graphene_point3d_t,
)