/*
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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.shapes;
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import com.bulletphysics.linearmath.VectorUtil;
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import javax.vecmath.Tuple3f;
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import javax.vecmath.Vector3f;
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/**
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* Allows accessing vertex data.
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*
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* @author jezek2
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*/
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public abstract class VertexData {
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public abstract int getVertexCount();
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public abstract int getIndexCount();
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public abstract <T extends Tuple3f> T getVertex(int idx, T out);
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public abstract void setVertex(int idx, float x, float y, float z);
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public void setVertex(int idx, Tuple3f t) {
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setVertex(idx, t.x, t.y, t.z);
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}
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public abstract int getIndex(int idx);
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public void getTriangle(int firstIndex, Vector3f scale, Vector3f[] triangle) {
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for (int i=0; i<3; i++) {
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getVertex(getIndex(firstIndex+i), triangle[i]);
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VectorUtil.mul(triangle[i], triangle[i], scale);
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}
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}
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}
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