三角网格简化/Polygon Reduction Demo

/* Copyright 1996, Viewpoint Datalabs Int'l, www.viewpoint.com, 1-800-DATASET */ /* # Usage Rights: You (the user) may use this model to help build cool personal # vrml worlds, but please give us credit when you do ("3D model provided by # Viewpoint Datalabs, www,viewpoint.com"). Please don't sell it or use it to # make money indirectly. Don't redistribute it or put it on a web site except # as a part of your personal, non-commerical vrml world. If you want to do a # commercial project, give us a call at 1-800-DATASET or visit www.viewpoint.com # and we'll help you obtain the rights to do so. */ /* * Note that this data was put directly into the program * to provide a demo program on the net that people could * just run without having to fetch datafiles. * i.e. more convienent for the user this way */ #include "rabdata.h" #pragma warning(disable : 4305) #pragma warning(disable : 4136) float rabbit_vertices[RABBIT_VERTEX_NUM][3]={ {-0.334392,0.133007,0.062259}, {-0.350189,0.150354,-0.147769}, {-0.234201,0.343811,-0.174307}, {-0.200259,0.285207,0.093749}, {0.003520,0.475208,-0.159365}, {0.001856,0.419203,0.098582}, {-0.252802,0.093666,0.237538}, {-0.162901,0.237984,0.206905}, {0.000865,0.318141,0.235370}, {-0.414624,0.164083,-0.278254}, {-0.262213,0.357334,-0.293246}, {0.004628,0.482694,-0.338626}, {-0.402162,0.133528,-0.443247}, {-0.243781,0.324275,-0.436763}, {0.005293,0.437592,-0.458332}, {-0.339884,-0.041150,-0.668211}, {-0.248382,0.255825,-0.627493}, {0.006261,0.376103,-0.631506}, {-0.216201,-0.126776,-0.886936}, {-0.171075,0.011544,-0.881386}, {-0.181074,0.098223,-0.814779}, {-0.119891,0.218786,-0.760153}, {-0.078895,0.276780,-0.739281}, {0.006801,0.310959,-0.735661}, {-0.168842,0.102387,-0.920381}, {-0.104072,0.177278,-0.952530}, {-0.129704,0.211848,-0.836678}, {-0.099875,0.310931,-0.799381}, {0.007237,0.361687,-0.794439}, {-0.077913,0.258753,-0.921640}, {0.007957,0.282241,-0.931680}, {-0.252222,-0.550401,-0.557810}, {-0.267633,-0.603419,-0.655209}, {-0.446838,-0.118517,-0.466159}, {-0.459488,-0.093017,-0.311341}, {-0.370645,-0.100108,-0.159454}, {-0.371984,-0.091991,-0.011044}, {-0.328945,-0.098269,0.088659}, {-0.282452,-0.018862,0.311501}, {-0.352403,-0.131341,0.144902}, {-0.364126,-0.200299,0.202388}, {-0.283965,-0.231869,0.023668}, {-0.298943,-0.155218,0.369716}, {-0.293787,-0.121856,0.419097}, {-0.290163,-0.290797,0.107824}, {-0.264165,-0.272849,0.036347}, {-0.228567,-0.372573,0.290309}, {-0.190431,-0.286997,0.421917}, {-0.191039,-0.240973,0.507118}, {-0.287272,-0.276431,-0.065444}, {-0.295675,-0.280818,-0.174200}, {-0.399537,-0.313131,-0.376167}, {-0.392666,-0.488581,-0.427494}, {-0.331669,-0.570185,-0.466054}, {-0.282290,-0.618140,-0.589220}, {-0.374238,-0.594882,-0.323298}, {-0.381071,-0.629723,-0.350777}, {-0.382112,-0.624060,-0.221577}, {-0.272701,-0.566522,0.259157}, {-0.256702,-0.663406,0.286079}, {-0.280948,-0.428359,0.055790}, {-0.184974,-0.508894,0.326265}, {-0.279971,-0.526918,0.395319}, {-0.282599,-0.663393,0.412411}, {-0.188329,-0.475093,0.417954}, {-0.263384,-0.663396,0.466604}, {-0.209063,-0.663393,0.509344}, {-0.002044,-0.319624,0.553078}, {-0.001266,-0.371260,0.413296}, {-0.219753,-0.339762,-0.040921}, {-0.256986,-0.282511,-0.006349}, {-0.271706,-0.260881,0.001764}, {-0.091191,-0.419184,-0.045912}, {-0.114944,-0.429752,-0.124739}, {-0.113970,-0.382987,-0.188540}, {-0.243012,-0.464942,-0.242850}, {-0.314815,-0.505402,-0.324768}, {0.002774,-0.437526,-0.262766}, {-0.072625,-0.417748,-0.221440}, {-0.160112,-0.476932,-0.293450}, {0.003859,-0.453425,-0.443916}, {-0.120363,-0.581567,-0.438689}, {-0.091499,-0.584191,-0.294511}, {-0.116469,-0.599861,-0.188308}, {-0.208032,-0.513640,-0.134649}, {-0.235749,-0.610017,-0.040939}, {-0.344916,-0.622487,-0.085380}, {-0.336401,-0.531864,-0.212298}, {0.001961,-0.459550,-0.135547}, {-0.058296,-0.430536,-0.043440}, {0.001378,-0.449511,-0.037762}, {-0.130135,-0.510222,0.079144}, {0.000142,-0.477549,0.157064}, {-0.114284,-0.453206,0.304397}, {-0.000592,-0.443558,0.285401}, {-0.056215,-0.663402,0.326073}, {-0.026248,-0.568010,0.273318}, {-0.049261,-0.531064,0.389854}, {-0.127096,-0.663398,0.479316}, {-0.058384,-0.663401,0.372891}, {-0.303961,0.054199,0.625921}, {-0.268594,0.193403,0.502766}, {-0.277159,0.126123,0.443289}, {-0.287605,-0.005722,0.531844}, {-0.231396,-0.121289,0.587387}, {-0.253475,-0.081797,0.756541}, {-0.195164,-0.137969,0.728011}, {-0.167673,-0.156573,0.609388}, {-0.145917,-0.169029,0.697600}, {-0.077776,-0.214247,0.622586}, {-0.076873,-0.214971,0.696301}, {-0.002341,-0.233135,0.622859}, {-0.002730,-0.213526,0.691267}, {-0.003136,-0.192628,0.762731}, {-0.056136,-0.201222,0.763806}, {-0.114589,-0.166192,0.770723}, {-0.155145,-0.129632,0.791738}, {-0.183611,-0.058705,0.847012}, {-0.165562,0.001980,0.833386}, {-0.220084,0.019914,0.768935}, {-0.255730,0.090306,0.670782}, {-0.255594,0.113833,0.663389}, {-0.226380,0.212655,0.617740}, {-0.003367,-0.195342,0.799680}, {-0.029743,-0.210508,0.827180}, {-0.003818,-0.194783,0.873636}, {-0.004116,-0.157907,0.931268}, {-0.031280,-0.184555,0.889476}, {-0.059885,-0.184448,0.841330}, {-0.135333,-0.164332,0.878200}, {-0.085574,-0.170948,0.925547}, {-0.163833,-0.094170,0.897114}, {-0.138444,-0.104250,0.945975}, {-0.083497,-0.084934,0.979607}, {-0.004433,-0.146642,0.985872}, {-0.150715,0.032650,0.884111}, {-0.135892,-0.035520,0.945455}, {-0.070612,0.036849,0.975733}, {-0.004458,-0.042526,1.015670}, {-0.004249,0.046042,1.003240}, {-0.086969,0.133224,0.947633}, {-0.003873,0.161605,0.970499}, {-0.125544,0.140012,0.917678}, {-0.125651,0.250246,0.857602}, {-0.003127,0.284070,0.878870}, {-0.159174,0.125726,0.888878}, {-0.183807,0.196970,0.844480}, {-0.159890,0.291736,0.732480}, {-0.199495,0.207230,0.779864}, {-0.206182,0.164608,0.693257}, {-0.186315,0.160689,0.817193}, {-0.192827,0.166706,0.782271}, {-0.175112,0.110008,0.860621}, {-0.161022,0.057420,0.855111}, {-0.172319,0.036155,0.816189}, {-0.190318,0.064083,0.760605}, {-0.195072,0.129179,0.731104}, {-0.203126,0.410287,0.680536}, {-0.216677,0.309274,0.642272}, {-0.241515,0.311485,0.587832}, {-0.002209,0.366663,0.749413}, {-0.088230,0.396265,0.678635}, {-0.170147,0.109517,0.840784}, {-0.160521,0.067766,0.830650}, {-0.181546,0.139805,0.812146}, {-0.180495,0.148568,0.776087}, {-0.180255,0.129125,0.744192}, {-0.186298,0.078308,0.769352}, {-0.167622,0.060539,0.806675}, {-0.189876,0.102760,0.802582}, {-0.108340,0.455446,0.657174}, {-0.241585,0.527592,0.669296}, {-0.265676,0.513366,0.634594}, {-0.203073,0.478550,0.581526}, {-0.266772,0.642330,0.602061}, {-0.216961,0.564846,0.535435}, {-0.202210,0.525495,0.475944}, {-0.193888,0.467925,0.520606}, {-0.265837,0.757267,0.500933}, {-0.240306,0.653440,0.463215}, {-0.309239,0.776868,0.304726}, {-0.271009,0.683094,0.382018}, {-0.312111,0.671099,0.286687}, {-0.268791,0.624342,0.377231}, {-0.302457,0.533996,0.360289}, {-0.263656,0.529310,0.412564}, {-0.282311,0.415167,0.447666}, {-0.239201,0.442096,0.495604}, {-0.220043,0.569026,0.445877}, {-0.001263,0.395631,0.602029}, {-0.057345,0.442535,0.572224}, {-0.088927,0.506333,0.529106}, {-0.125738,0.535076,0.612913}, {-0.126251,0.577170,0.483159}, {-0.149594,0.611520,0.557731}, {-0.163188,0.660791,0.491080}, {-0.172482,0.663387,0.415416}, {-0.160464,0.591710,0.370659}, {-0.156445,0.536396,0.378302}, {-0.136496,0.444358,0.425226}, {-0.095564,0.373768,0.473659}, {-0.104146,0.315912,0.498104}, {-0.000496,0.384194,0.473817}, {-0.000183,0.297770,0.401486}, {-0.129042,0.270145,0.434495}, {0.000100,0.272963,0.349138}, {-0.113060,0.236984,0.385554}, {0.0072