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Added offsetcube()

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Revar Desmera 2019-01-29 04:29:42 -08:00
parent 8ee896280b
commit 97cca892d3
1 changed files with 19 additions and 0 deletions
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19
shapes.scad
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@ -39,6 +39,25 @@ include <math.scad>
module nil() union() {}
// Makes a cube that is offset along the given vector by half the cube's size.
// For example, if v=[-1,1,0], the cube's front right edge will be centered at the origin.
// size = size of cube.
// v = vector to offset along.
// Example:
// offsetcube([3,4,5], [-1,1,0]);
module offsetcube(size=[1,1,1], v=[0,0,0]) {
lx=len(size)==undef? size : size[0];
ly=len(size)==undef? size : size[1];
lz=len(size)==undef? size : size[2];
ax=len(v)==undef? v : v[0];
ay=len(v)==undef? v : v[1];
az=len(v)==undef? v : v[2];
translate([lx*ax/2, ly*ay/2, lz*az/2]) {
cube(size, center=true);
}
}
// Makes a cube that has its right face centered at the origin.
module leftcube(size=[1,1,1]) {l=len(size)==undef? size : size[0]; left(l/2) cube(size, center=true);}