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Java implementation of BSP based CSG (Constructive Solid Geometry)
/**
* Peg.java
*
* Copyright 2014-2014 Michael Hoffer . All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Michael Hoffer "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Michael Hoffer OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of Michael Hoffer .
*/
package eu.mihosoft.vrl.v3d.samples;
import eu.mihosoft.vrl.v3d.CSG;
import eu.mihosoft.vrl.v3d.Extrude;
import eu.mihosoft.vrl.v3d.Transform;
import eu.mihosoft.vrl.v3d.Vector3d;
/**
*
* @author Michael Hoffer <[email protected]>
*/
public class RaspberryPeg {
public static CSG peg() {
// ol
// | |
// __ _
// | \ ptoph
// | \ _
// | / pth
// | / _
// | | bt
// | |__ _
// | | bh
// ------ -
// |pw |
// pw = peg width
// bh = board mounting height
// bt = board thickness
// pth = peg tooth hight
// ptoph = peg top height
// ol = overlap between board and peg
double outer_offset = 4;
double inner_offset = 4;
double board_mounting_height = 5.5;
double board_thickness = 2;
double overlap = 1;
double peg_depth = 3;
double peg_tooth_height = 1;
double peg_top_height = 2;
double board_spacing = 0.2;
// inner offset
double oi = inner_offset;
//outer offset
double oo = outer_offset;
double bh = board_mounting_height;
double bt = board_thickness;
double ol = overlap;
double pth = peg_tooth_height;
double ptoph = peg_top_height;
// board spacing (small spacing between peg and board, should be < 0.5mm)
double bs = board_spacing;
double pd = peg_depth;
double pw = oo + oi;
CSG peg_points = Extrude.points(
new Vector3d(0, 0, pd),
new Vector3d(0, 0),
new Vector3d(pw, 0),
new Vector3d(pw, bh / 5),
new Vector3d(pw - oi / 2, bh),
new Vector3d(oo - bs, bh),
new Vector3d(oo - bs, bh + bt),
new Vector3d(oo + ol, bh + bt + pth),
new Vector3d(oo, bh + bt + pth + ptoph),
new Vector3d(0, bh + bt + pth + ptoph)
);
return peg_points.
transformed(Transform.unity().translateX(-oo)).
transformed(Transform.unity().rotX(90).translateZ(-pd / 2));
}
}