00001 /* 00002 SagaEngine library 00003 Copyright (c) 2002-2006 Skalden Studio AS 00004 00005 This software is provided 'as-is', without any express or implied 00006 warranty. In no event will the authors be held liable for any 00007 damages arising from the use of this software. 00008 00009 Permission is granted to distribute the library under the terms of the 00010 Q Public License version 1.0. Be sure to read and understand the license 00011 before using the library. It should be included here, or you may read it 00012 at http://www.trolltech.com/products/qt/licenses/licensing/qpl 00013 00014 The original version of this library can be located at: 00015 http://www.sagaengine.com/ 00016 00017 Rune Myrland 00018 rune@skalden.com 00019 */ 00020 00021 00022 #include "BoundingCylinder.hpp" 00023 #include "BoundingBox.hpp" 00024 #include <cstdio> 00025 00026 namespace se_core { 00027 00028 bool BoundingCylinder 00029 ::isTouching(const BoundingBox& b) const { 00030 if(b.maxY_ < minY_ 00031 || b.minY_ > maxY_ 00032 || maxY_ < b.minY_ 00033 || minY_ > b.maxY_) 00034 return false; 00035 00036 if(b.maxX_ + radius_ < centerX_ 00037 || b.minX_ - radius_ > centerX_) 00038 return false; 00039 00040 if(b.maxZ_ + radius_ < centerZ_ 00041 || b.minZ_ - radius_ > centerZ_) 00042 return false; 00043 return true; 00044 } 00045 00046 00047 BoundingCylinder 00048 ::BoundingCylinder(const Point3& p, const BoundingBox& b) 00049 : centerX_(p.x_ + CoorT::half(b.minX_ + b.maxX_)) 00050 , centerZ_(p.z_ + CoorT::half(b.minZ_ + b.maxZ_)) 00051 , minY_(p.y_ + b.minY_), maxY_(p.y_ + b.maxY_) 00052 , radius_(b.smallRadius()) { 00053 } 00054 00055 00056 se_err::Log& operator<< (se_err::Log& log, const BoundingCylinder& b) { 00057 sprintf(log.tmp(), " BoundingCylinder{centre(%f,%f),radius(%f),y(%f,%f)}", 00058 b.centerX_, b.centerZ_, b.radius_, b.minY_, 00059 b.maxY_ 00060 ); 00061 log.copy(log.tmp()); 00062 return log; 00063 } 00064 00065 } 00066
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