pub fn roller_vertex(
rest: [f32; 3],
normal: [f32; 3],
tangent: [f32; 4],
uv: [f32; 2],
current: RollerFrame,
previous: RollerFrame,
) -> DeformedRollerVertexpub fn roller_vertex(
rest: [f32; 3],
normal: [f32; 3],
tangent: [f32; 4],
uv: [f32; 2],
current: RollerFrame,
previous: RollerFrame,
) -> DeformedRollerVertex