040000 tree 998bfe018ce91149c8721c9bd6a5713b1862e934	scalar-scalar
040000 tree f22bb0b6ad4d9e99cf1c238b707c40a437981ce2	scalar-vec3
040000 tree 4dfdbb7accb5b5895a0e70c5fa1d942a37a344e7	vec3-scalar
040000 tree 570d9ed0df4b6da9c2c01187a98fbb7038d097ac	vec3-vec3