/*
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* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
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*
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* Bullet Continuous Collision Detection and Physics Library
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* Copyright (c) 2003-2008 Erwin Coumans http://www.bulletphysics.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.collision.narrowphase;
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import javax.vecmath.Vector3f;
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/**
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* SimplexSolverInterface can incrementally calculate distance between origin and
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* up to 4 vertices. Used by GJK or Linear Casting. Can be implemented by the
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* Johnson-algorithm or alternative approaches based on voronoi regions or barycentric
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* coordinates.
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*
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* @author jezek2
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*/
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public abstract class SimplexSolverInterface implements java.io.Serializable {
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public abstract void reset();
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public abstract void addVertex(Vector3f w, Vector3f p, Vector3f q);
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public abstract boolean closest(Vector3f v);
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public abstract float maxVertex();
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public abstract boolean fullSimplex();
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public abstract int getSimplex(Vector3f[] pBuf, Vector3f[] qBuf, Vector3f[] yBuf);
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public abstract boolean inSimplex(Vector3f w);
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public abstract void backup_closest(Vector3f v);
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public abstract boolean emptySimplex();
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public abstract void compute_points(Vector3f p1, Vector3f p2);
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public abstract int numVertices();
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}
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