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Added rot()

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Revar Desmera 2019-01-25 13:47:14 -08:00
parent f6a7a1273c
commit be1af7ad23
1 changed files with 17 additions and 0 deletions
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transforms.scad
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@ -107,6 +107,23 @@ module down(z=0) { translate([0,0,-z]) children(); }
module up(z=0) { translate([0,0,z]) children(); }
// Rotates children around an arbitrary axis by the given number of degrees.
// Can be used as a drop-in replacement for `rotate()`, with extra features.
// a = Scalar angle or vector of Euller angles to rotate by, in degrees.
// v = vector for the axis of rotation. Default: [0,0,1]
// cp = centerpoint to rotate around. Default: [0,0,0]
// Example:
// rot([30,60,0], cp=[0,0,9]) cube([2,4,9]);
// rot(30, v=[1,1,0], cp=[0,0,9]) cube([2,4,9]);
module rot(a=0, v=undef, cp=undef) {
if (cp == undef) {
rotate(a=a, v=v) children();
} else {
translate(cp) rotate(a=a, v=v) translate(-cp) children();
}
}
// Rotates children around the X axis by the given number of degrees.
// a = angle to rotate by in degrees.
// cp = centerpoint to rotate around. Default: [0,0,0]