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annotate Xcode/TemplatesForProjectBuilder/SDL OpenGL Application/atlantis/atlantis.c @ 2213:59a667370c57
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author | Bob Pendleton <bob@pendleton.com> |
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date | Tue, 24 Jul 2007 18:46:45 +0000 |
parents | d63e9f5944ae |
children | 4d2d0548f5b2 |
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1 |
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2 /* Copyright (c) Mark J. Kilgard, 1994. */ |
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3 |
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4 /** |
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5 * (c) Copyright 1993, 1994, Silicon Graphics, Inc. |
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6 * ALL RIGHTS RESERVED |
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7 * Permission to use, copy, modify, and distribute this software for |
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8 * any purpose and without fee is hereby granted, provided that the above |
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9 * copyright notice appear in all copies and that both the copyright notice |
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10 * and this permission notice appear in supporting documentation, and that |
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11 * the name of Silicon Graphics, Inc. not be used in advertising |
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12 * or publicity pertaining to distribution of the software without specific, |
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13 * written prior permission. |
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14 * |
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15 * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" |
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16 * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, |
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17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR |
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18 * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON |
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19 * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, |
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20 * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY |
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21 * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, |
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22 * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF |
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23 * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN |
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24 * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON |
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25 * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE |
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26 * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE. |
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27 * |
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28 * US Government Users Restricted Rights |
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29 * Use, duplication, or disclosure by the Government is subject to |
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30 * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph |
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31 * (c)(1)(ii) of the Rights in Technical Data and Computer Software |
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32 * clause at DFARS 252.227-7013 and/or in similar or successor |
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33 * clauses in the FAR or the DOD or NASA FAR Supplement. |
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34 * Unpublished-- rights reserved under the copyright laws of the |
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35 * United States. Contractor/manufacturer is Silicon Graphics, |
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36 * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311. |
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37 * |
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38 * OpenGL(TM) is a trademark of Silicon Graphics, Inc. |
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39 */ |
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40 #include <stdio.h> |
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41 #include <stdlib.h> |
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42 #include <string.h> |
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43 #include <math.h> |
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44 #include <sys/time.h> |
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45 #include <GLUT/glut.h> |
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46 #include "atlantis.h" |
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47 |
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48 fishRec sharks[NUM_SHARKS]; |
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49 fishRec momWhale; |
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50 fishRec babyWhale; |
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51 fishRec dolph; |
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52 |
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53 GLboolean Timing = GL_TRUE; |
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54 |
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55 int w_win = 640; |
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56 int h_win = 480; |
2213 | 57 GLint count = 0; |
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58 GLenum StrMode = GL_VENDOR; |
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59 |
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60 GLboolean moving; |
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61 |
2213 | 62 static double |
63 mtime(void) | |
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64 { |
2213 | 65 struct timeval tk_time; |
66 struct timezone tz; | |
67 | |
68 gettimeofday(&tk_time, &tz); | |
69 | |
70 return 4294.967296 * tk_time.tv_sec + 0.000001 * tk_time.tv_usec; | |
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71 } |
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72 |
2213 | 73 static double |
74 filter(double in, double *save) | |
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75 { |
2213 | 76 static double k1 = 0.9; |
77 static double k2 = 0.05; | |
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78 |
2213 | 79 save[3] = in; |
80 save[1] = save[0] * k1 + k2 * (save[3] + save[2]); | |
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81 |
2213 | 82 save[0] = save[1]; |
83 save[2] = save[3]; | |
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84 |
2213 | 85 return (save[1]); |
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86 } |
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87 |
2213 | 88 void |
89 DrawStr(const char *str) | |
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90 { |
2213 | 91 GLint i = 0; |
92 | |
93 if (!str) | |
94 return; | |
95 | |
96 while (str[i]) { | |
97 glutBitmapCharacter(GLUT_BITMAP_HELVETICA_12, str[i]); | |
98 i++; | |
99 } | |
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100 } |
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101 |
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102 void |
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103 InitFishs(void) |
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104 { |
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105 int i; |
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106 |
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107 for (i = 0; i < NUM_SHARKS; i++) { |
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108 sharks[i].x = 70000.0 + rand() % 6000; |
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109 sharks[i].y = rand() % 6000; |
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110 sharks[i].z = rand() % 6000; |
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111 sharks[i].psi = rand() % 360 - 180.0; |
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112 sharks[i].v = 1.0; |
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113 } |
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114 |
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115 dolph.x = 30000.0; |
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116 dolph.y = 0.0; |
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117 dolph.z = 6000.0; |
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118 dolph.psi = 90.0; |
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119 dolph.theta = 0.0; |
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120 dolph.v = 3.0; |
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121 |
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122 momWhale.x = 70000.0; |
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123 momWhale.y = 0.0; |
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124 momWhale.z = 0.0; |
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125 momWhale.psi = 90.0; |
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126 momWhale.theta = 0.0; |
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127 momWhale.v = 3.0; |
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128 |
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129 babyWhale.x = 60000.0; |
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130 babyWhale.y = -2000.0; |
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131 babyWhale.z = -2000.0; |
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132 babyWhale.psi = 90.0; |
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133 babyWhale.theta = 0.0; |
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134 babyWhale.v = 3.0; |
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135 } |
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136 |
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137 void |
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138 Atlantis_Init(void) |
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139 { |
2213 | 140 static float ambient[] = { 0.2, 0.2, 0.2, 1.0 }; |
141 static float diffuse[] = { 1.0, 1.0, 1.0, 1.0 }; | |
142 static float position[] = { 0.0, 1.0, 0.0, 0.0 }; | |
143 static float mat_shininess[] = { 90.0 }; | |
144 static float mat_specular[] = { 0.8, 0.8, 0.8, 1.0 }; | |
145 static float mat_diffuse[] = { 0.46, 0.66, 0.795, 1.0 }; | |
146 static float mat_ambient[] = { 0.3, 0.4, 0.5, 1.0 }; | |
147 static float lmodel_ambient[] = { 0.4, 0.4, 0.4, 1.0 }; | |
148 static float lmodel_localviewer[] = { 0.0 }; | |
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149 //GLfloat map1[4] = {0.0, 0.0, 0.0, 0.0}; |
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150 //GLfloat map2[4] = {0.0, 0.0, 0.0, 0.0}; |
2213 | 151 static float fog_color[] = { 0.0, 0.5, 0.9, 1.0 }; |
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152 |
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153 glFrontFace(GL_CCW); |
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154 |
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155 glDepthFunc(GL_LESS); |
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156 glEnable(GL_DEPTH_TEST); |
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157 |
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158 glLightfv(GL_LIGHT0, GL_AMBIENT, ambient); |
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159 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse); |
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160 glLightfv(GL_LIGHT0, GL_POSITION, position); |
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161 glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient); |
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162 glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_localviewer); |
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163 glEnable(GL_LIGHTING); |
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164 glEnable(GL_LIGHT0); |
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165 |
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166 glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_shininess); |
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167 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular); |
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168 glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_diffuse); |
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169 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_ambient); |
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170 |
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171 InitFishs(); |
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172 |
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173 glEnable(GL_FOG); |
2213 | 174 glFogi(GL_FOG_MODE, GL_EXP); |
175 glFogf(GL_FOG_DENSITY, 0.0000025); | |
176 glFogfv(GL_FOG_COLOR, fog_color); | |
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177 |
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178 glClearColor(0.0, 0.5, 0.9, 1.0); |
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179 } |
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180 |
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181 void |
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182 Atlantis_Reshape(int width, int height) |
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183 { |
2213 | 184 w_win = width; |
185 h_win = height; | |
186 | |
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187 glViewport(0, 0, width, height); |
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188 |
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189 glMatrixMode(GL_PROJECTION); |
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190 glLoadIdentity(); |
2213 | 191 gluPerspective(60.0, (GLfloat) width / (GLfloat) height, 20000.0, |
192 300000.0); | |
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193 glMatrixMode(GL_MODELVIEW); |
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194 } |
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195 |
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196 void |
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197 Atlantis_Animate(void) |
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198 { |
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199 int i; |
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200 |
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201 for (i = 0; i < NUM_SHARKS; i++) { |
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202 SharkPilot(&sharks[i]); |
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203 SharkMiss(i); |
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204 } |
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205 WhalePilot(&dolph); |
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206 dolph.phi++; |
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207 //glutPostRedisplay(); |
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208 WhalePilot(&momWhale); |
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209 momWhale.phi++; |
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210 WhalePilot(&babyWhale); |
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211 babyWhale.phi++; |
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212 } |
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213 |
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214 void |
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215 Atlantis_Key(unsigned char key, int x, int y) |
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216 { |
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217 switch (key) { |
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218 case 't': |
2213 | 219 Timing = !Timing; |
220 break; | |
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221 case ' ': |
2213 | 222 switch (StrMode) { |
223 case GL_EXTENSIONS: | |
224 StrMode = GL_VENDOR; | |
225 break; | |
226 case GL_VENDOR: | |
227 StrMode = GL_RENDERER; | |
228 break; | |
229 case GL_RENDERER: | |
230 StrMode = GL_VERSION; | |
231 break; | |
232 case GL_VERSION: | |
233 StrMode = GL_EXTENSIONS; | |
234 break; | |
235 } | |
236 break; | |
237 case 27: /* Esc will quit */ | |
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238 exit(1); |
2213 | 239 break; |
240 case 's': /* "s" start animation */ | |
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241 moving = GL_TRUE; |
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242 //glutIdleFunc(Animate); |
2213 | 243 break; |
244 case 'a': /* "a" stop animation */ | |
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245 moving = GL_FALSE; |
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246 //glutIdleFunc(NULL); |
2213 | 247 break; |
248 case '.': /* "." will advance frame */ | |
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249 if (!moving) { |
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250 Atlantis_Animate(); |
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251 } |
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252 } |
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253 } |
2213 | 254 |
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255 /* |
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256 void Display(void) |
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257 { |
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258 static float P123[3] = {-448.94, -203.14, 9499.60}; |
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259 static float P124[3] = {-442.64, -185.20, 9528.07}; |
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260 static float P125[3] = {-441.07, -148.05, 9528.07}; |
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261 static float P126[3] = {-443.43, -128.84, 9499.60}; |
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262 static float P127[3] = {-456.87, -146.78, 9466.67}; |
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263 static float P128[3] = {-453.68, -183.93, 9466.67}; |
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264 |
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265 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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266 |
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267 glPushMatrix(); |
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268 FishTransform(&dolph); |
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269 DrawDolphin(&dolph); |
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270 glPopMatrix(); |
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271 |
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272 glutSwapBuffers(); |
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273 } |
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274 */ |
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275 |
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276 void |
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277 Atlantis_Display(void) |
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278 { |
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279 int i; |
2213 | 280 static double th[4] = { 0.0, 0.0, 0.0, 0.0 }; |
281 static double t1 = 0.0, t2 = 0.0, t; | |
282 char num_str[128]; | |
283 | |
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284 t1 = t2; |
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285 |
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286 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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287 |
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288 for (i = 0; i < NUM_SHARKS; i++) { |
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289 glPushMatrix(); |
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290 FishTransform(&sharks[i]); |
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291 DrawShark(&sharks[i]); |
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292 glPopMatrix(); |
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293 } |
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294 |
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295 glPushMatrix(); |
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296 FishTransform(&dolph); |
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297 DrawDolphin(&dolph); |
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298 glPopMatrix(); |
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299 |
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300 glPushMatrix(); |
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301 FishTransform(&momWhale); |
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302 DrawWhale(&momWhale); |
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303 glPopMatrix(); |
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304 |
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305 glPushMatrix(); |
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306 FishTransform(&babyWhale); |
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307 glScalef(0.45, 0.45, 0.3); |
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308 DrawWhale(&babyWhale); |
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309 glPopMatrix(); |
2213 | 310 |
311 if (Timing) { | |
312 t2 = mtime(); | |
313 t = t2 - t1; | |
314 if (t > 0.0001) | |
315 t = 1.0 / t; | |
316 | |
317 glDisable(GL_LIGHTING); | |
318 //glDisable(GL_DEPTH_TEST); | |
319 | |
320 glColor3f(1.0, 0.0, 0.0); | |
321 | |
322 glMatrixMode(GL_PROJECTION); | |
323 glPushMatrix(); | |
324 glLoadIdentity(); | |
325 glOrtho(0, w_win, 0, h_win, -10.0, 10.0); | |
326 | |
327 glRasterPos2f(5.0, 5.0); | |
328 | |
329 switch (StrMode) { | |
330 case GL_VENDOR: | |
331 sprintf(num_str, "%0.2f Hz, %dx%d, VENDOR: ", filter(t, th), | |
332 w_win, h_win); | |
333 DrawStr(num_str); | |
334 DrawStr(glGetString(GL_VENDOR)); | |
335 break; | |
336 case GL_RENDERER: | |
337 sprintf(num_str, "%0.2f Hz, %dx%d, RENDERER: ", filter(t, th), | |
338 w_win, h_win); | |
339 DrawStr(num_str); | |
340 DrawStr(glGetString(GL_RENDERER)); | |
341 break; | |
342 case GL_VERSION: | |
343 sprintf(num_str, "%0.2f Hz, %dx%d, VERSION: ", filter(t, th), | |
344 w_win, h_win); | |
345 DrawStr(num_str); | |
346 DrawStr(glGetString(GL_VERSION)); | |
347 break; | |
348 case GL_EXTENSIONS: | |
349 sprintf(num_str, "%0.2f Hz, %dx%d, EXTENSIONS: ", filter(t, th), | |
350 w_win, h_win); | |
351 DrawStr(num_str); | |
352 DrawStr(glGetString(GL_EXTENSIONS)); | |
353 break; | |
354 } | |
355 | |
356 glPopMatrix(); | |
357 glMatrixMode(GL_MODELVIEW); | |
358 | |
359 glEnable(GL_LIGHTING); | |
360 //glEnable(GL_DEPTH_TEST); | |
361 } | |
362 | |
2207
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363 count++; |
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364 |
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365 glutSwapBuffers(); |
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366 } |
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367 |
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368 /* |
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369 void |
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370 Visible(int state) |
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371 { |
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372 if (state == GLUT_VISIBLE) { |
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373 if (moving) |
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374 glutIdleFunc(Animate); |
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375 } else { |
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376 if (moving) |
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377 glutIdleFunc(NULL); |
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378 } |
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379 } |
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380 |
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381 |
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382 void |
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383 timingSelect(int value) |
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384 { |
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385 switch(value) |
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386 { |
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387 case 1: |
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388 StrMode = GL_VENDOR; |
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389 break; |
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390 case 2: |
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391 StrMode = GL_RENDERER; |
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392 break; |
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393 case 3: |
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394 StrMode = GL_VERSION; |
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395 break; |
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396 case 4: |
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397 StrMode = GL_EXTENSIONS; |
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398 break; |
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399 } |
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400 } |
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401 |
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402 void |
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403 menuSelect(int value) |
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404 { |
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405 switch (value) { |
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406 case 1: |
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407 moving = GL_TRUE; |
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408 glutIdleFunc(Animate); |
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409 break; |
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410 case 2: |
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411 moving = GL_FALSE; |
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412 glutIdleFunc(NULL); |
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413 break; |
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414 case 4: |
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415 exit(0); |
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416 break; |
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417 } |
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418 } |
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419 |
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420 int |
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421 main(int argc, char **argv) |
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422 { |
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423 GLboolean fullscreen = GL_FALSE; |
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424 GLint time_menu; |
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425 |
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426 srand(0); |
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427 |
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428 glutInit(&argc, argv); |
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429 if (argc > 1 && !strcmp(argv[1], "-w")) |
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430 fullscreen = GL_FALSE; |
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431 |
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432 //glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH); |
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433 glutInitDisplayString("rgba double depth=24"); |
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434 if (fullscreen) { |
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435 glutGameModeString("1024x768:32"); |
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436 glutEnterGameMode(); |
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437 } else { |
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438 glutInitWindowSize(320, 240); |
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439 glutCreateWindow("Atlantis Timing"); |
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440 } |
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441 Init(); |
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442 glutDisplayFunc(Display); |
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443 glutReshapeFunc(Reshape); |
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444 glutKeyboardFunc(Key); |
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445 moving = GL_TRUE; |
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446 glutIdleFunc(Animate); |
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447 glutVisibilityFunc(Visible); |
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448 |
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449 time_menu = glutCreateMenu(timingSelect); |
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450 glutAddMenuEntry("GL_VENDOR", 1); |
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451 glutAddMenuEntry("GL_RENDERER", 2); |
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452 glutAddMenuEntry("GL_VERSION", 3); |
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453 glutAddMenuEntry("GL_EXTENSIONS", 4); |
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454 |
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455 glutCreateMenu(menuSelect); |
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456 glutAddMenuEntry("Start motion", 1); |
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457 glutAddMenuEntry("Stop motion", 2); |
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458 glutAddSubMenu("Timing Mode", time_menu); |
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459 glutAddMenuEntry("Quit", 4); |
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460 |
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461 //glutAttachMenu(GLUT_RIGHT_BUTTON); |
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462 glutAttachMenu(GLUT_RIGHT_BUTTON); |
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463 glutMainLoop(); |
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464 return 0; // ANSI C requires main to return int. |
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465 } |
2213 | 466 */ |