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Code Issues Releases Wiki Activity

don't rotate when 0

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This commit is contained in:
Justin Lin
2019-09-22 19:37:17 +08:00
parent c5bfc89c4a
commit 374000df9c
1 changed files with 3 additions and 0 deletions
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3
src/rotate_p.scad
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@@ -43,6 +43,7 @@ function _q_rotate_p_3d(p, a, v) =
];
function _rotx(pt, a) =
a == 0 ? pt :
let(cosa = cos(a), sina = sin(a))
[
pt[0],
@@ -51,6 +52,7 @@ function _rotx(pt, a) =
];
function _roty(pt, a) =
a == 0 ? pt :
let(cosa = cos(a), sina = sin(a))
[
pt[0] * cosa + pt[2] * sina,
@@ -59,6 +61,7 @@ function _roty(pt, a) =
];
function _rotz(pt, a) =
a == 0 ? pt :
let(cosa = cos(a), sina = sin(a))
[
pt[0] * cosa - pt[1] * sina,