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annotate Renderer/Engine/polygon.cc @ 1379:13065ad17328 draft

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collada moved but only my mac.
author e095732 <e095732@ie.u-ryukyu.ac.jp>
date Thu, 26 Jan 2012 21:56:32 +0900
parents 3f95f61faef6
children
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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1 #include <iostream>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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2 #include <SDL.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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3 #include <SDL_opengl.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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4 #include <SDL_image.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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5 #include "polygon.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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6 #include "matrix_calc.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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7 #include "triangle.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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8 #include "vertex.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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9 #include "Span.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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10 #include "SpanC.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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11 #include "scene_graph_pack.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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12 #include "error.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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13 #include "viewer_types.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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14 using namespace std;
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15
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16
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18
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19 Polygon::Polygon()
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20 {
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21 position_init();
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22 }
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23
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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24 void
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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25 Polygon::position_init(void)
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26 {
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27
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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28 xyz[0] = 0;
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29 xyz[1] = 0;
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30 xyz[2] = 0;
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31 xyz[3] = 1;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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32 c_xyz[0] = 0;
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33 c_xyz[1] = 0;
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34 c_xyz[2] = 0;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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35 c_xyz[3] = 1;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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36 angle[0] = 0;
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37 angle[1] = 0;
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38 angle[2] = 0;
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39 angle[3] = 1;
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40 scale[0] = 1;
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41 scale[1] = 1;
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42 scale[2] = 1;
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43
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yutaka@localhost.localdomain
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44
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45 }
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46
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47 char *get_pixel(int tx, int ty, SDL_Surface *texture_image)
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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48 {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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49 return (char*)texture_image->pixels+(texture_image->format->BytesPerPixel*((texture_image->w)*ty+tx));
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50 }
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51
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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52 unsigned my_ntohl(unsigned u) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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53 // rr gg bb 00
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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54 // rr
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55 // bb gg rr
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56 //unsigned u1 = ((u&0xff)<<24) +
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57 // ((u&0xff00)<<8) +
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58 // ((u&0xff0000)>>8) +
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59 // ((u&0xff000000)>>24);
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60 unsigned u1;
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61 unsigned b = (u&0xff000000)>>24;
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62 unsigned g = (u&0xff0000)>>16;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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63 unsigned r = (u&0xff00)>>8;
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64 u1 = r + (g<<8) + (b<<16);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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65 //printf("pixel %x->%x\n",u,u1);
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66 return u1;
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67 }
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68
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69 Uint32 Polygon::get_rgb(int tx, int ty)
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70 {
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71 SDL_PixelFormat *fmt;
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72 //Uint32 temp, pixel;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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73 Uint8 red, green, blue;
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74
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75 fmt = texture_info->texture_image->format;
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76
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77 if (tx<0) tx = 0;
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78 if (texture_info->texture_image->w-1< tx) tx = texture_info->texture_image->w-1 ;
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79 if (ty<0) ty = 0;
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80 if (texture_info->texture_image->h-1< ty) ty = texture_info->texture_image->h-1 ;
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81
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82
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83 //SDL_LockSurface(texture_image);
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84 char *p = get_pixel(tx,ty,texture_info->texture_image);
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85 blue = (Uint8) p[0];
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86 green = (Uint8) p[1];
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87 red = (Uint8) p[2];
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88
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89 //printf("tx = %d ty = %d ", tx,ty);
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90 //printf("pixel color => R: %d, G: %d, B: %d\n", red, green, blue);
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91
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92 SDL_PixelFormat *pf = NULL;
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93 //pf = viewer->screen->format;
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94
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95 //cout << SDL_MapRGB(pf, red, green, blue) << endl;
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96 return SDL_MapRGB(pf, red, green, blue);
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97 }
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98
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99 void Polygon::font_coordinate(int baseline, int row,int width)
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100 {
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101
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102 //int count = size / 3;
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103
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104 for (int i = 0; i < pp_num; i++) {
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105
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106 TrianglePackPtr tri = pp[i].tri;
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107 // TrianglePack の size のチェック
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108 int tri_size = 2;
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109 pp[i].info.size = tri_size;
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110
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111 for (int j = 0; j < tri_size; j++) {
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112
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113 tri[j].ver1.x = 0.0 ;
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114 tri[j].ver1.y = 0.0 + baseline;
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115 //tri[j].ver1.y = 0.0;
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116 tri[j].ver1.z = 0.0;
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117
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118 if(j < 1)
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119 {
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120 tri[j].ver2.x = 0.0 ;
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121 tri[j].ver2.y = row +baseline;
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122 //tri[j].ver2.y = row;
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123 tri[j].ver2.z = 0.0;
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124 }else{
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125 tri[j].ver2.x = width ;
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126 tri[j].ver2.y = 0.0 +baseline;
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127 //tri[j].ver2.y = 0.0;
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128 tri[j].ver2.z = 0.0;
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129 }
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130 tri[j].ver3.x = width ;
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131 tri[j].ver3.y =row +baseline;
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132 //tri[j].ver3.y =row;
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133 tri[j].ver3.z = 0.0;
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134
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135 }
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136
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137 }
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138 }
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139
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140 void Polygon::font_normal()
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141 {
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142
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143 //テスト用
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144 float polygon_point[2][9] = { {0,0,1, 0,0,1, 0,0,1},
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145 {0,0,1, 0,0,1, 0,0,1} };
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146
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147 //int count = size / 3;
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148
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149 for (int i = 0; i < pp_num; i++) {
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150
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151 TrianglePackPtr tri = pp[i].tri;
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152 // TrianglePack の size のチェック
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153 int tri_size = 2;
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154 pp[i].info.size = tri_size;
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155
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156 for (int j = 0; j < tri_size; j++) {
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157
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158 tri[j].normal1.x = polygon_point[j][0];
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159 tri[j].normal1.y = polygon_point[j][1];
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160 tri[j].normal1.z = polygon_point[j][2];
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161
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162 tri[j].normal2.x = polygon_point[j][3];
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163 tri[j].normal2.y = polygon_point[j][4];
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164 tri[j].normal2.z = polygon_point[j][5];
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165
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166 tri[j].normal3.x = polygon_point[j][6];
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167 tri[j].normal3.y = polygon_point[j][7];
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168 tri[j].normal3.z = polygon_point[j][8];
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169
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170 }
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171
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172 }
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173
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174 }
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175
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176 void Polygon::font_model()
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177 {
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178 //テスト用
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179 float polygon_point[3] = {0,0,0};
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180
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181 c_xyz[0] = polygon_point[0];
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182 c_xyz[1] = polygon_point[1];
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183 c_xyz[2] = polygon_point[2];
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184
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185 }
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186
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187
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188 void Polygon::font_texture(float row,float width)
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189 {
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190 float texture_point[2][7] = { {0,0, 0,1, 1,1},
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191 {0,0, 1,0, 1,1} };
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192
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193 for (int i = 0; i < pp_num; i++) {
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194
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195 TrianglePackPtr tri = pp[i].tri;
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196 // TrianglePack の size のチェック
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197 int tri_size = 2;
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198 pp[i].info.size = tri_size;
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199
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200 for (int j = 0; j < tri_size; j++) {
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201
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202 tri[j].ver1.tex_x = texture_point[j][0];
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203 tri[j].ver1.tex_y = texture_point[j][1];
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204
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205 tri[j].ver2.tex_x = texture_point[j][2];
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206 tri[j].ver2.tex_y = texture_point[j][3];
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207
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208 tri[j].ver3.tex_x = texture_point[j][4];
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209 tri[j].ver3.tex_y = texture_point[j][5];
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210
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211
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212 }
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213
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214
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215 }
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216
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217 /*if (count != 0) {
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218 printf("miss pickup_texture size. diff size = %d\n", count);
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219 }*/
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220
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221 }