50 lines
1.7 KiB
OpenSCAD
50 lines
1.7 KiB
OpenSCAD
//
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// NopSCADlib Copyright Chris Palmer 2018
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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// This file is part of NopSCADlib.
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//
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// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
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// GNU General Public License as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along with NopSCADlib.
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// If not, see <https://www.gnu.org/licenses/>.
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//
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//
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//! Construct arbirarily large box to partition 3D space and clip objects, useful for creating cross sections to see the inside when debugging.
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//!
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//! Original version by Doug Moen on the OpenSCAD forum
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//
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//
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module box(xmin, ymin, zmin, xmax, ymax, zmax) //! Construct a box given its bounds
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polyhedron(
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[[xmin, ymin, zmin], // 0
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[xmin, ymin, zmax], // 1
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[xmin, ymax, zmin], // 2
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[xmin, ymax, zmax], // 3
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[xmax, ymin, zmin], // 4
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[xmax, ymin, zmax], // 5
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[xmax, ymax, zmin], // 6
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[xmax, ymax, zmax]], // 7
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[[7,5,1,3], // top
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[2,0,4,6], // bottom
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[5,4,0,1], // front
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[3,2,6,7], // back
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[5,7,6,4], // right
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[0,2,3,1]] // left
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);
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module clip(xmin = -inf, ymin = -inf, zmin = -inf, xmax = inf, ymax = inf, zmax = inf) //! Clip child to specified boundaries
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render() intersection() {
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children();
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box(xmin, ymin, zmin, xmax, ymax, zmax);
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}
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