00001 /* 00002 Copyright (c) 2011, The Cinder Project, All rights reserved. 00003 This code is intended for use with the Cinder C++ library: http://libcinder.org 00004 00005 Portions of this code (C) Paul Houx 00006 All rights reserved. 00007 00008 Redistribution and use in source and binary forms, with or without modification, are permitted provided that 00009 the following conditions are met: 00010 00011 * Redistributions of source code must retain the above copyright notice, this list of conditions and 00012 the following disclaimer. 00013 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 00014 the following disclaimer in the documentation and/or other materials provided with the distribution. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 00017 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00018 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 00019 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00020 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00021 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00022 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00023 POSSIBILITY OF SUCH DAMAGE. 00024 */ 00025 00026 #pragma once 00027 00028 #include "cinder/Vector.h" 00029 #include <iostream> 00030 00031 namespace cinder { 00032 00033 template<typename T> 00034 class Plane 00035 { 00036 public: 00037 Plane() {} 00038 Plane( const Vec3<T> &v1, const Vec3<T> &v2, const Vec3<T> &v3 ); 00039 Plane( const Vec3<T> &point, const Vec3<T> &normal ); 00040 Plane( T a, T b, T c, T d ); 00041 00043 void set( const Vec3<T> &v1, const Vec3<T> &v2, const Vec3<T> &v3 ); 00045 void set( const Vec3<T> &point, const Vec3<T> &normal ); 00047 void set( T a, T b, T c, T d ); 00048 00049 Vec3<T> getPoint() const { return mNormal * mDistance; }; 00050 const Vec3<T>& getNormal() const { return mNormal; }; 00051 float getDistance() const { return mDistance; } 00052 float distance( const Vec3f &p ) const { return (mNormal.dot(p) - mDistance); }; 00053 00054 Vec3<T> reflectPoint( const Vec3<T> &p ) const { return mNormal * distance( p ) * -2 + p; } 00055 Vec3<T> reflectVector( const Vec3<T> &v ) const { return mNormal * mNormal.dot(v) * 2 - v; } 00056 00057 Vec3<T> mNormal; 00058 T mDistance; 00059 }; 00060 00061 typedef Plane<float> Planef; 00062 typedef Plane<double> Planed; 00063 00064 template<typename T> 00065 std::ostream& operator<<( std::ostream &o, const Plane<T> &p ) 00066 { 00067 return o << "(" << p.mNormal << ", " << p.mDistance << ")"; 00068 } 00069 00070 00071 class PlaneExc : public std::exception { 00072 public: 00073 virtual const char* what() const throw() { return "Invalid parameters specified"; } 00074 }; 00075 00076 } // namespace cinder