/*
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* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
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*
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* Stan Melax Convex Hull Computation
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* Copyright (c) 2008 Stan Melax http://www.melax.com/
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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package com.bulletphysics.linearmath.convexhull;
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/**
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*
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* @author jezek2
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*/
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class Tri extends Int3 {
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public Int3 n = new Int3();
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public int id;
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public int vmax;
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public float rise;
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public Tri(int a, int b, int c) {
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super(a, b, c);
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n.set(-1, -1, -1);
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vmax = -1;
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rise = 0f;
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}
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private static int er = -1;
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private static IntRef erRef = new IntRef() {
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@Override
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public int get() {
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return er;
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}
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@Override
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public void set(int value) {
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er = value;
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}
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};
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public IntRef neib(int a, int b) {
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for (int i = 0; i < 3; i++) {
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int i1 = (i + 1) % 3;
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int i2 = (i + 2) % 3;
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if (getCoord(i) == a && getCoord(i1) == b) {
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return n.getRef(i2);
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}
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if (getCoord(i) == b && getCoord(i1) == a) {
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return n.getRef(i2);
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}
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}
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assert (false);
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return erRef;
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}
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}
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