37 lines
1.2 KiB
OpenSCAD
37 lines
1.2 KiB
OpenSCAD
function _toRad(r=undef, d=undef) = (r != undef) ? r : d/2;
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module translateIf(cond, amount) {
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if (cond) {
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translate(amount) children();
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} else {
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children();
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}
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}
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/// cylinder() where `center=false` behaves like for `cube(center=false)`,
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/// i.e. circle center is not at (0, 0) but (r, r)
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module cylinderZ(d=undef, r=undef, h=undef, center=false) {
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translateIf(!center, [_toRad(r=r, d=d), _toRad(r=r, d=d), 0]) {
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cylinder(d=d, r=r, h=h, center=center);
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}
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}
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/// cylinder() but with the axis on the x axis instead of the z axis.
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/// and where `center=false` behaves like for `cube(center=false)`,
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/// i.e. circle center is not at (0, 0) but (r, r)
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module cylinderX(d=undef, r=undef, h=undef, center=false) {
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translateIf(!center, [0, _toRad(r=r, d=d), _toRad(r=r, d=d)]) {
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rotate(a=[0,-90,0]) cylinder(d=d, r=r, h=h, center=center);
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}
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}
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/// cylinder() but with the axis on the y axis instead of the z axis
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/// and where `center=false` behaves like for `cube(center=false)`,
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/// i.e. circle center is not at (0, 0) but (r, r)
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module cylinderY(d=undef, r=undef, h=undef, center=false) {
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translateIf(!center, [_toRad(r=r, d=d), 0, _toRad(r=r, d=d)]) {
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rotate(a=[-90,0,0]) cylinder(d=d, r=r, h=h, center=center);
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}
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}
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