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66 lines
1.9 KiB
66 lines
1.9 KiB
14 years ago
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/*
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Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
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This file is part of Magnum.
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Magnum is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License version 3
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only, as published by the Free Software Foundation.
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Magnum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License version 3 for more details.
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*/
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#include "ShapeGroup.h"
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namespace Magnum { namespace Physics {
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ShapeGroup::ShapeGroup(ShapeGroup&& other): operation(other.operation), a(other.a), b(other.b) {
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other.operation = AlwaysFalse;
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other.a = nullptr;
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other.b = nullptr;
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}
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ShapeGroup::~ShapeGroup() {
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if(!(operation & RefA)) delete a;
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if(!(operation & RefB)) delete b;
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}
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ShapeGroup& ShapeGroup::operator=(ShapeGroup&& other) {
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if(!(operation & RefA)) delete a;
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if(!(operation & RefB)) delete b;
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operation = other.operation;
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a = other.a;
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b = other.b;
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other.operation = AlwaysFalse;
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other.a = nullptr;
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other.b = nullptr;
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return *this;
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}
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void ShapeGroup::applyTransformation(const Matrix4& transformation) {
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if(a) a->applyTransformation(transformation);
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if(b) b->applyTransformation(transformation);
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}
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bool ShapeGroup::collides(const AbstractShape* other) const {
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switch(operation & ~RefAB) {
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case Complement: return !a->collides(other);
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case Union: return a->collides(other) || b->collides(other);
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case Intersection: return a->collides(other) && b->collides(other);
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case Difference: return a->collides(other) && !b->collides(other);
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case Xor: return a->collides(other) != b->collides(other);
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case FirstObjectOnly: return a->collides(other);
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default:
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return false;
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}
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}
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}}
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