00001 /* 00002 Copyright (c) 2010, The Barbarian Group 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that 00006 the following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and 00009 the following disclaimer. 00010 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 00011 the following disclaimer in the documentation and/or other materials provided with the distribution. 00012 00013 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 00014 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00015 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 00016 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00017 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00018 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00019 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00020 POSSIBILITY OF SUCH DAMAGE. 00021 */ 00022 00023 #pragma once 00024 00025 #include "Vector.h" 00026 #include "Ray.h" 00027 00028 #include <vector> 00029 00030 namespace cinder { 00031 00032 class Sphere { 00033 public: 00034 Sphere() {} 00035 Sphere( const Vec3f &aCenter, float aRadius ) : mCenter( aCenter ), mRadius( aRadius ) {} 00036 00037 float getRadius() const { return mRadius; } 00038 void setRadius( float radius ) { mRadius = radius; } 00039 00040 const Vec3f& getCenter() const { return mCenter; } 00041 const void setCenter( const Vec3f ¢er ) { mCenter = center; } 00042 00043 bool intersects( const Ray &ray ); 00044 int intersect( const Ray &ray, float *intersection ); 00045 00046 static Sphere calculateBoundingSphere( const std::vector<Vec3f> &points ); 00047 00048 protected: 00049 Vec3f mCenter; 00050 float mRadius; 00051 }; 00052 00053 } // namespace cinder