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1 | #include "main.h" |
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2 | #include "torus.h" |
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3 | #include <signal.h> |
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4 | #include <unistd.h> |
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5 | #include <assert.h> |
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6 | #include <math.h> |
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7 | |
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8 | double cos(double x); |
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9 | double sin(double x); |
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10 | |
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11 | #define EPSILON 1e-8 |
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12 | #define NBCERCLES 36 |
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13 | #define NBPOINTS 36 |
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14 | |
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15 | #define RAYON 100 |
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16 | |
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17 | int NbAff = 0; |
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18 | double *px,*py,*pz; |
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19 | |
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20 | void alarme (int sig) |
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21 | { |
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22 | printf("NbAff = %d\n",NbAff); |
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23 | NbAff = 0; |
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24 | alarm (10); |
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25 | } |
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26 | |
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27 | |
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28 | int main (int argc,char *argv[]) { |
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29 | |
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30 | if (argc > 1) { |
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31 | printf("%s\n",argv[0]); |
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32 | printf("%s\n",argv[1]); |
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33 | if (strcmp(argv[1],"BVM") == 0) { |
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34 | printf("BVM only\n"); |
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35 | BVM_ONLY = 1; |
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36 | } |
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37 | } |
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38 | |
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39 | /* Init X11 for 24 bpp */ |
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40 | |
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41 | init_x (); |
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42 | |
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43 | /* Set up the alarm */ |
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44 | |
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45 | signal (SIGALRM,alarme); |
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46 | alarm (10); |
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47 | |
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48 | while (event_x()) { |
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49 | refresh (); |
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50 | aff (); |
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51 | } |
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52 | |
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53 | for(;;); |
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54 | /* Free */ |
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55 | |
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56 | free (px); |
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57 | free (py); |
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58 | free (pz); |
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59 | |
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60 | /* Close X */ |
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61 | |
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62 | close_x(); |
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63 | |
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64 | /* End */ |
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65 | |
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66 | exit (0); |
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67 | } |
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68 | |
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69 | void aff () { |
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70 | NbAff ++; |
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71 | XPutImage(dis,win,gc,xim,0,0,0,0,W,H); |
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72 | |
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73 | } |
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74 | |
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75 | void refresh () { |
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76 | int i,j; |
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77 | long int V,R ; |
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78 | double d; |
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79 | static int t=1; |
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80 | |
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81 | double zoom = 0.20 + 0.01*t; |
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82 | double theta = 0.15 + 0.05*t; |
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83 | |
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84 | Intersect Inter ; |
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85 | |
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86 | memset ( buffer , 0 , 4*W*H ); |
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87 | |
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88 | for (j=0;j<H;j++) |
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89 | for (i=0;i<W;i++) |
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90 | { |
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91 | //fprintf(stderr,"%d %d\n",i,j); |
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92 | |
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93 | R = 0; |
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94 | |
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95 | Inter.dx = -1.0*cos(theta); |
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96 | Inter.dy = 0.0; |
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97 | Inter.dz = -1.0*sin(theta); |
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98 | |
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99 | Inter.x = (65.0)*cos(theta) + 0.20*(i - W/2)*sin(theta); //45.0 |
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100 | Inter.y = 0.20*(j - H/2) ; |
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101 | Inter.z = (65.0)*sin(theta) + 0.20*(i - W/2)*(-cos(theta)); |
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102 | |
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103 | Inter.R0 = 20.0; //20.0; //20.0 25 |
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104 | Inter.R1 = 24.0; //14.0; //4.0 19.0 |
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105 | Inter.phi = 0.0; |
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106 | Inter.deltaphi = M_PI; |
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107 | d = DistanceToTorus (&Inter); |
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108 | |
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109 | if (d < 0) |
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110 | { |
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111 | V = 0; |
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112 | R = 255 ; |
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113 | } else { |
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114 | V = d*2;//4 16 32 |
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115 | } |
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116 | if (V > 255) { |
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117 | V = 255 ; |
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118 | } |
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119 | |
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120 | if (V < 0) V = 0 ; |
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121 | buffer[4*(i*H+j)+0] = V; |
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122 | buffer[4*(i*H+j)+1] = V; |
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123 | buffer[4*(i*H+j)+2] = V+R; |
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124 | } |
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125 | t ++; |
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126 | } |
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127 | |
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