/*
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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.dispatch;
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import com.bulletphysics.collision.broadphase.BroadphasePair;
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import com.bulletphysics.collision.broadphase.DispatchFunc;
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import com.bulletphysics.collision.broadphase.DispatcherInfo;
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/**
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* Default implementation of {@link NearCallback}.
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*
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* @author jezek2
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*/
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public class DefaultNearCallback extends NearCallback {
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private final ManifoldResult contactPointResult = new ManifoldResult();
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public void handleCollision(BroadphasePair collisionPair, CollisionDispatcher dispatcher, DispatcherInfo dispatchInfo) {
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CollisionObject colObj0 = (CollisionObject) collisionPair.pProxy0.clientObject;
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CollisionObject colObj1 = (CollisionObject) collisionPair.pProxy1.clientObject;
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if (dispatcher.needsCollision(colObj0, colObj1)) {
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// dispatcher will keep algorithms persistent in the collision pair
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if (collisionPair.algorithm == null) {
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collisionPair.algorithm = dispatcher.findAlgorithm(colObj0, colObj1);
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}
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if (collisionPair.algorithm != null) {
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//ManifoldResult contactPointResult = new ManifoldResult(colObj0, colObj1);
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contactPointResult.init(colObj0, colObj1);
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if (dispatchInfo.dispatchFunc == DispatchFunc.DISPATCH_DISCRETE) {
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// discrete collision detection query
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collisionPair.algorithm.processCollision(colObj0, colObj1, dispatchInfo, contactPointResult);
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}
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else {
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// continuous collision detection query, time of impact (toi)
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float toi = collisionPair.algorithm.calculateTimeOfImpact(colObj0, colObj1, dispatchInfo, contactPointResult);
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if (dispatchInfo.timeOfImpact > toi) {
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dispatchInfo.timeOfImpact = toi;
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}
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}
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}
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}
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}
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}
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