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refactor

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This commit is contained in:
Justin Lin
2019-05-15 19:20:50 +08:00
parent bc7f57813b
commit 77b3c4c9db
1 changed files with 9 additions and 6 deletions
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15
src/m_scaling.scad
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@@ -8,15 +8,18 @@
*
**/
function _to_svect(s) =
len(s) == 3 ? s : (
len(s) == 2 ? [s[0], s[1], 1] : (
len(s) == 1 ? [s[0], 1, 1] : [s, s, s]
)
include <__private__/__is_float.scad>;
function _to_3_elems_scaling_vect(s) =
let(leng = len(s))
leng == 3 ? s : (
leng == 2 ? [s[0], s[1], 1] : [s[0], 1, 1]
);
function _to_scaling_vect(s) = __is_float(s) ? [s, s, s] : _to_3_elems_scaling_vect(s);
function m_scaling(s) =
let(v = _to_svect(s))
let(v = _to_scaling_vect(s))
[
[v[0], 0, 0, 0],
[0, v[1], 0, 0],