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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <assert.h>
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4
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5 #ifndef __APPLE__
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6 #include <GL/glut.h>
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7 #else
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8 #include <GLUT/glut.h>
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9 #endif
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10
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11 static bool init();
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12 static void cleanup();
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13 static void display();
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14 static void idle();
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15 static void reshape(int x, int y);
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16 static void keyb(unsigned char key, int x, int y);
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17 static void mouse(int bn, int st, int x, int y);
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18 static void motion(int x, int y);
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19
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20
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21 int main(int argc, char **argv)
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22 {
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23 glutInit(&argc, argv);
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24 glutInitWindowSize(800, 600);
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25 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
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26 glutCreateWindow("component system test");
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27
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28 glutDisplayFunc(display);
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29 glutIdleFunc(idle);
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30 glutReshapeFunc(reshape);
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31 glutKeyboardFunc(keyb);
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32 glutMouseFunc(mouse);
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33 glutMotionFunc(motion);
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34
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35 if(!init()) {
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36 return 1;
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37 }
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38 atexit(cleanup);
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39
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40 glutMainLoop();
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41 return 0;
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42 }
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43
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44 static bool init()
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45 {
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46 glEnable(GL_DEPTH_TEST);
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47 glEnable(GL_CULL_FACE);
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48
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49 return true;
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50 }
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51
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52 static void cleanup()
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53 {
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54 }
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55
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56 static void display()
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57 {
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58 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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59
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60 glutSwapBuffers();
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61 assert(glGetError() == GL_NO_ERROR);
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62 }
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63
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64 static void idle()
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65 {
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66 glutPostRedisplay();
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67 }
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68
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69 static void reshape(int x, int y)
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70 {
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71 glViewport(0, 0, x, y);
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72
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73 glMatrixMode(GL_PROJECTION);
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74 glLoadIdentity();
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75 gluPerspective(50.0, (float)x / (float)y, 0.5, 500.0);
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76 }
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77
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78 static void keyb(unsigned char key, int x, int y)
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79 {
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80 switch(key) {
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81 case 27:
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82 exit(0);
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83 }
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84 }
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85
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86 static int bnstate[16];
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87 static int prev_x, prev_y;
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88
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89 static void mouse(int bn, int st, int x, int y)
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90 {
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91 }
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92
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93 static void motion(int x, int y)
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94 {
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95 }
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