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always to a vect

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Justin Lin
2019-05-02 10:22:31 +08:00
parent 69f43afe46
commit f215f27f9f
1 changed files with 15 additions and 6 deletions
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21
src/m_translation.scad
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@@ -1,6 +1,15 @@
function m_translation(v) = [ function _to_vect(v) =
[1, 0, 0, v[0]], len(v) == 3 ? v : (
[0, 1, 0, v[1]], len(v) == 2 ? [v[0], v[1], 0] : (
[0, 0, 1, v[2]], len(v) == 1 ? [v[0], 0, 0] : [v, 0, 0]
[0, 0, 0, 1] )
]; );
function m_translation(v) =
let(vt = _to_vect(v))
[
[1, 0, 0, vt[0]],
[0, 1, 0, vt[1]],
[0, 0, 1, vt[2]],
[0, 0, 0, 1]
];