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WP_Triangle.h

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00001 /* Copyright (C) 2001 W.P. van Paassen - peter@paassen.tmfweb.nl
00002 
00003    This program is free software; you can redistribute it and/or modify it under
00004    the terms of the GNU General Public License as published by the Free
00005    Software Foundation; either version 2 of the License, or (at your
00006    option) any later version.
00007 
00008    This program is distributed in the hope that it will be useful, but WITHOUT
00009    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00010    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00011    for more details.
00012 
00013    You should have received a copy of the GNU General Public License
00014    along with this program; see the file COPYING.  If not, write to the Free
00015    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
00016 
00017 #ifndef WP_TRIANGLE_H
00018 #define WP_TRIANGLE_H
00019 
00020 #include "WP_Def.h"
00021 #include "WP_Vector3D.h"
00022 
00023 namespace WPCG
00024 {
00025 //forward declarations
00026 class WP_Vertex;
00027 
00046 class WP_Triangle
00047 {
00048 public:
00049         WP_Triangle(){};
00050         ~WP_Triangle(){};
00051 
00055         void drawOpenGL() const; 
00056 
00060         WP_Vertex* vertices[3];
00061 
00065         WP_Vector3D normal;
00066 };
00067 
00086 class WP_TriangleGroup
00087 {
00088 public:
00089         WP_TriangleGroup(){};
00090         WP_TriangleGroup(const WP_TriangleGroup &group);
00091 
00092         virtual ~WP_TriangleGroup(){
00093           delete[] indices;
00094           delete[] texCoords;
00095         };
00096 
00097         WP_TriangleGroup& operator=(const WP_TriangleGroup &group);
00098 
00099         virtual void drawOpenGL(const WP_Vertex *verticesFrameA, const WP_Vertex *verticesFrameB, scalar interpolation) const = 0; 
00100         virtual void drawOpenGL(const WP_Vertex *verticesFrameA, scalar interpolation) const = 0; 
00101 
00102         unsigned int *indices;
00103         unsigned int numberIndices;
00104         scalar *texCoords;
00105 };
00106 
00125 class WP_TriangleStrip: public WP_TriangleGroup
00126 {
00127 public:
00128         WP_TriangleStrip(){};
00129         WP_TriangleStrip(const WP_TriangleStrip &strip):WP_TriangleGroup(strip){};
00130         ~WP_TriangleStrip(){};
00131 
00132         WP_TriangleStrip& operator=(const WP_TriangleStrip &strip);
00133 
00134         void drawOpenGL(const WP_Vertex *verticesFrameA, const WP_Vertex *verticesFrameB, scalar interpolation) const; 
00135         void drawOpenGL(const WP_Vertex *verticesFrameA, scalar interpolation) const; 
00136 };
00137 
00138 
00157 class WP_TriangleFan: public WP_TriangleGroup
00158 {
00159 public:
00160         WP_TriangleFan(){};
00161         WP_TriangleFan(const WP_TriangleFan &fan):WP_TriangleGroup(fan){};
00162         ~WP_TriangleFan(){};
00163 
00164         WP_TriangleFan& operator=(const WP_TriangleFan &fan);
00165 
00166         void drawOpenGL(const WP_Vertex *verticesFrameA, const WP_Vertex *verticesFrameB, scalar interpolation) const; 
00167         void drawOpenGL(const WP_Vertex *verticesFrameA, scalar interpolation) const; 
00168 };
00169 }
00170 #endif
00171 
00172 
00173 

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