CollDet: ColIntersect.h Source File

00001 //---------------------------------------------------------------------------
00002 //                              ColIntersect
00003 //---------------------------------------------------------------------------
00004 //  Copyright (C):
00005 //---------------------------------------------------------------------------
00006 //CVSId: "@(#)$Id: ColIntersect.h,v 1.4 2004/02/26 14:50:17 ehlgen Exp $"
00007 
00008 
00009 #ifndef ColIntersect_H
00010 #define ColIntersect_H
00011 #if defined(__sgi) || defined(_WIN32)
00012 #pragma once
00013 #endif
00014 
00015 
00016 //---------------------------------------------------------------------------
00017 //  Includes
00018 //---------------------------------------------------------------------------
00019 
00020 #include <math.h>
00021 
00022 #include <OpenSG/OSGConfig.h>
00023 #include <OpenSG/OSGBaseTypes.h>
00024 #include <OpenSG/OSGVector.h>
00025 #include <OpenSG/OSGMatrix.h>
00026 
00027 #include <col_import_export.h>
00028 
00029 namespace col {
00030 
00031 extern int vvv;
00032 //---------------------------------------------------------------------------
00033 //  Constants
00034 //---------------------------------------------------------------------------
00035 
00041 const unsigned int MaxNVertices = 10;
00042 
00043 //---------------------------------------------------------------------------
00044 //  Functions
00045 //---------------------------------------------------------------------------
00046 
00047 // Entry for intersection test
00048 
00049 COL_EXPORTIMPORT
00050 bool intersectPolygons(const osg::Pnt3f *poly1, int plSize1,
00051                        const osg::Pnt3f *poly2, int plSize2,
00052                        const unsigned int *index1 = NULL,
00053                        const unsigned int *index2 = NULL,
00054                        const osg::Matrix *cxform = NULL );
00055 
00056 
00057 // Low level tests
00058 
00059 COL_EXPORTIMPORT
00060 bool intersectCoplanarTriangles( const osg::Vec3f &normalV,
00061                                  const osg::Pnt3f &polyVv0,
00062                                  const osg::Pnt3f &polyVv1,
00063                                  const osg::Pnt3f &polyVv2,
00064                                  const osg::Pnt3f &polyUv0,
00065                                  const osg::Pnt3f &polyUv1,
00066                                  const osg::Pnt3f &polyUv2 );
00067 
00068 COL_EXPORTIMPORT
00069 bool intersectQuadrangles( const osg::Pnt3f &polyVv0,
00070                            const osg::Pnt3f &polyVv1,
00071                            const osg::Pnt3f &polyVv2,
00072                            const osg::Pnt3f &polyVv3,
00073                            const osg::Pnt3f &polyUv0,
00074                            const osg::Pnt3f &polyUv1,
00075                            const osg::Pnt3f &polyUv2,
00076                            const osg::Pnt3f &polyUv3,
00077                            const osg::Vec3f &normal1V,
00078                            const osg::Vec3f &normal2V );
00079 
00080 COL_EXPORTIMPORT
00081 bool intersectTriangles( const osg::Pnt3f &polyVv0,
00082                          const osg::Pnt3f &polyVv1,
00083                          const osg::Pnt3f &polyVv2,
00084                          const osg::Pnt3f &polyUv0,
00085                          const osg::Pnt3f &polyUv1,
00086                          const osg::Pnt3f &polyUv2 );
00087 
00088 COL_EXPORTIMPORT
00089 bool intersectTriangles( const osg::Pnt3f &polyVv0,
00090                          const osg::Pnt3f &polyVv1,
00091                          const osg::Pnt3f &polyVv2,
00092                          const osg::Pnt3f &polyUv0,
00093                          const osg::Pnt3f &polyUv1,
00094                          const osg::Pnt3f &polyUv2,
00095                          const osg::Vec3f &n1,
00096                          const osg::Vec3f &n2 );
00097 
00098 COL_EXPORTIMPORT
00099 bool intersectEdgePolygon( const osg::Pnt3f &v1, const osg::Pnt3f &v2,
00100                            const osg::Pnt3f *poly, int c,
00101                            const osg::Pnt3f &normalV,
00102                            unsigned int x, unsigned int y );
00103 
00104 COL_EXPORTIMPORT
00105 bool intersectEdgePolygon( const osg::Pnt3f &v1, const osg::Pnt3f &v2,
00106                            const osg::Pnt3f *poly, unsigned int plSize );
00107 
00108 
00109 COL_EXPORTIMPORT
00110 bool intersectArbPolygons( const osg::Pnt3f *poly1, unsigned int plSize1,
00111                            const osg::Pnt3f *poly2, unsigned int plSize2);
00112 
00113 COL_EXPORTIMPORT
00114 bool intersectArbPolygons( const osg::Pnt3f *poly1, unsigned int plSize1,
00115                            const osg::Pnt3f *poly2, unsigned int plSize2,
00116                            const osg::Vec3f &normal1V,
00117                            const osg::Vec3f &normal2V );
00118                                   
00119 COL_EXPORTIMPORT
00120 bool intersectCoplanarEdges( const osg::Pnt3f &v0V, const osg::Pnt3f &v1V,
00121                              const osg::Pnt3f &u0V, const osg::Pnt3f &u1V,
00122                              unsigned int x, unsigned int y);
00123 
00124 } // namespace col
00125 
00126 #endif /* ColIntersect_H */
00127 
00128