fish/362_rubik/makecube.c

   1 /*      makecube.c  ...for rubik.c      */
   2
   3 /*      started 23-Dec-89       */
   4
   5 #include "header.c"
   6
   7 extern struct points point;
   8 extern struct points start;
   9 extern unsigned short size;
  10
  11 extern struct one_square square[56];    /*      54 on cube + 2 inter-planes  */
  12
  13 void init_squares()             /*      this defines the cubes geometry called ONCE     */
  14         {
  15         int face,i;
  16
  17         for (face=0; face<2; face++)    /*      small squares in xy plane       */
  18                 {
  19                 (square[9*face+0]).corner[0] = &(point.xyz [0] [0] [face*5]);
  20                 (square[9*face+0]).corner[1] = &(point.xyz [1] [0] [face*5]);
  21                 (square[9*face+0]).corner[2] = &(point.xyz [1] [1] [face*5]);
  22                 (square[9*face+0]).corner[3] = &(point.xyz [0] [1] [face*5]);
  23
  24                 (square[9*face+1]).corner[0] = &(point.xyz [2] [0] [face*5]);
  25                 (square[9*face+1]).corner[1] = &(point.xyz [3] [0] [face*5]);
  26                 (square[9*face+1]).corner[2] = &(point.xyz [3] [1] [face*5]);
  27                 (square[9*face+1]).corner[3] = &(point.xyz [2] [1] [face*5]);
  28
  29                 (square[9*face+2]).corner[0] = &(point.xyz [4] [0] [face*5]);
  30                 (square[9*face+2]).corner[1] = &(point.xyz [5] [0] [face*5]);
  31                 (square[9*face+2]).corner[2] = &(point.xyz [5] [1] [face*5]);
  32                 (square[9*face+2]).corner[3] = &(point.xyz [4] [1] [face*5]);
  33
  34                 (square[9*face+3]).corner[0] = &(point.xyz [0] [2] [face*5]);
  35                 (square[9*face+3]).corner[1] = &(point.xyz [1] [2] [face*5]);
  36                 (square[9*face+3]).corner[2] = &(point.xyz [1] [3] [face*5]);
  37                 (square[9*face+3]).corner[3] = &(point.xyz [0] [3] [face*5]);
  38
  39                 (square[9*face+4]).corner[0] = &(point.xyz [2] [2] [face*5]);
  40                 (square[9*face+4]).corner[1] = &(point.xyz [3] [2] [face*5]);
  41                 (square[9*face+4]).corner[2] = &(point.xyz [3] [3] [face*5]);
  42                 (square[9*face+4]).corner[3] = &(point.xyz [2] [3] [face*5]);
  43
  44                 (square[9*face+5]).corner[0] = &(point.xyz [4] [2] [face*5]);
  45                 (square[9*face+5]).corner[1] = &(point.xyz [5] [2] [face*5]);
  46                 (square[9*face+5]).corner[2] = &(point.xyz [5] [3] [face*5]);
  47                 (square[9*face+5]).corner[3] = &(point.xyz [4] [3] [face*5]);
  48
  49                 (square[9*face+6]).corner[0] = &(point.xyz [0] [4] [face*5]);
  50                 (square[9*face+6]).corner[1] = &(point.xyz [1] [4] [face*5]);
  51                 (square[9*face+6]).corner[2] = &(point.xyz [1] [5] [face*5]);
  52                 (square[9*face+6]).corner[3] = &(point.xyz [0] [5] [face*5]);
  53
  54                 (square[9*face+7]).corner[0] = &(point.xyz [2] [4] [face*5]);
  55                 (square[9*face+7]).corner[1] = &(point.xyz [3] [4] [face*5]);
  56                 (square[9*face+7]).corner[2] = &(point.xyz [3] [5] [face*5]);
  57                 (square[9*face+7]).corner[3] = &(point.xyz [2] [5] [face*5]);
  58
  59                 (square[9*face+8]).corner[0] = &(point.xyz [4] [4] [face*5]);
  60                 (square[9*face+8]).corner[1] = &(point.xyz [5] [4] [face*5]);
  61                 (square[9*face+8]).corner[2] = &(point.xyz [5] [5] [face*5]);
  62                 (square[9*face+8]).corner[3] = &(point.xyz [4] [5] [face*5]);
  63                 }
  64
  65         for (face=2; face<4; face++)    /*      small squares in xz plane       */
  66                 {
  67                 (square[9*face+0]).corner[0] = &(point.xyz [0] [(face-2)*5] [0]);
  68                 (square[9*face+0]).corner[1] = &(point.xyz [1] [(face-2)*5] [0]);
  69                 (square[9*face+0]).corner[2] = &(point.xyz [1] [(face-2)*5] [1]);
  70                 (square[9*face+0]).corner[3] = &(point.xyz [0] [(face-2)*5] [1]);
  71
  72                 (square[9*face+1]).corner[0] = &(point.xyz [2] [(face-2)*5] [0]);
  73                 (square[9*face+1]).corner[1] = &(point.xyz [3] [(face-2)*5] [0]);
  74                 (square[9*face+1]).corner[2] = &(point.xyz [3] [(face-2)*5] [1]);
  75                 (square[9*face+1]).corner[3] = &(point.xyz [2] [(face-2)*5] [1]);
  76
  77                 (square[9*face+2]).corner[0] = &(point.xyz [4] [(face-2)*5] [0]);
  78                 (square[9*face+2]).corner[1] = &(point.xyz [5] [(face-2)*5] [0]);
  79                 (square[9*face+2]).corner[2] = &(point.xyz [5] [(face-2)*5] [1]);
  80                 (square[9*face+2]).corner[3] = &(point.xyz [4] [(face-2)*5] [1]);
  81
  82                 (square[9*face+3]).corner[0] = &(point.xyz [0] [(face-2)*5] [2]);
  83                 (square[9*face+3]).corner[1] = &(point.xyz [1] [(face-2)*5] [2]);
  84                 (square[9*face+3]).corner[2] = &(point.xyz [1] [(face-2)*5] [3]);
  85                 (square[9*face+3]).corner[3] = &(point.xyz [0] [(face-2)*5] [3]);
  86
  87                 (square[9*face+4]).corner[0] = &(point.xyz [2] [(face-2)*5] [2]);
  88                 (square[9*face+4]).corner[1] = &(point.xyz [3] [(face-2)*5] [2]);
  89                 (square[9*face+4]).corner[2] = &(point.xyz [3] [(face-2)*5] [3]);
  90                 (square[9*face+4]).corner[3] = &(point.xyz [2] [(face-2)*5] [3]);
  91
  92                 (square[9*face+5]).corner[0] = &(point.xyz [4] [(face-2)*5] [2]);
  93                 (square[9*face+5]).corner[1] = &(point.xyz [5] [(face-2)*5] [2]);
  94                 (square[9*face+5]).corner[2] = &(point.xyz [5] [(face-2)*5] [3]);
  95                 (square[9*face+5]).corner[3] = &(point.xyz [4] [(face-2)*5] [3]);
  96
  97                 (square[9*face+6]).corner[0] = &(point.xyz [0] [(face-2)*5] [4]);
  98                 (square[9*face+6]).corner[1] = &(point.xyz [1] [(face-2)*5] [4]);
  99                 (square[9*face+6]).corner[2] = &(point.xyz [1] [(face-2)*5] [5]);
 100                 (square[9*face+6]).corner[3] = &(point.xyz [0] [(face-2)*5] [5]);
 101
 102                 (square[9*face+7]).corner[0] = &(point.xyz [2] [(face-2)*5] [4]);
 103                 (square[9*face+7]).corner[1] = &(point.xyz [3] [(face-2)*5] [4]);
 104                 (square[9*face+7]).corner[2] = &(point.xyz [3] [(face-2)*5] [5]);
 105                 (square[9*face+7]).corner[3] = &(point.xyz [2] [(face-2)*5] [5]);
 106
 107                 (square[9*face+8]).corner[0] = &(point.xyz [4] [(face-2)*5] [4]);
 108                 (square[9*face+8]).corner[1] = &(point.xyz [5] [(face-2)*5] [4]);
 109                 (square[9*face+8]).corner[2] = &(point.xyz [5] [(face-2)*5] [5]);
 110                 (square[9*face+8]).corner[3] = &(point.xyz [4] [(face-2)*5] [5]);
 111                 }
 112
 113         for (face=4; face<6; face++)    /*      small squares in yz plane       */
 114                 {
 115                 (square[9*face+0]).corner[0] = &(point.xyz [(face-4)*5] [0] [0]);
 116                 (square[9*face+0]).corner[1] = &(point.xyz [(face-4)*5] [0] [1]);
 117                 (square[9*face+0]).corner[2] = &(point.xyz [(face-4)*5] [1] [1]);
 118                 (square[9*face+0]).corner[3] = &(point.xyz [(face-4)*5] [1] [0]);
 119
 120                 (square[9*face+1]).corner[0] = &(point.xyz [(face-4)*5] [0] [2]);
 121                 (square[9*face+1]).corner[1] = &(point.xyz [(face-4)*5] [0] [3]);
 122                 (square[9*face+1]).corner[2] = &(point.xyz [(face-4)*5] [1] [3]);
 123                 (square[9*face+1]).corner[3] = &(point.xyz [(face-4)*5] [1] [2]);
 124
 125                 (square[9*face+2]).corner[0] = &(point.xyz [(face-4)*5] [0] [4]);
 126                 (square[9*face+2]).corner[1] = &(point.xyz [(face-4)*5] [0] [5]);
 127                 (square[9*face+2]).corner[2] = &(point.xyz [(face-4)*5] [1] [5]);
 128                 (square[9*face+2]).corner[3] = &(point.xyz [(face-4)*5] [1] [4]);
 129
 130                 (square[9*face+3]).corner[0] = &(point.xyz [(face-4)*5] [2] [0]);
 131                 (square[9*face+3]).corner[1] = &(point.xyz [(face-4)*5] [2] [1]);
 132                 (square[9*face+3]).corner[2] = &(point.xyz [(face-4)*5] [3] [1]);
 133                 (square[9*face+3]).corner[3] = &(point.xyz [(face-4)*5] [3] [0]);
 134
 135                 (square[9*face+4]).corner[0] = &(point.xyz [(face-4)*5] [2] [2]);
 136                 (square[9*face+4]).corner[1] = &(point.xyz [(face-4)*5] [2] [3]);
 137                 (square[9*face+4]).corner[2] = &(point.xyz [(face-4)*5] [3] [3]);
 138                 (square[9*face+4]).corner[3] = &(point.xyz [(face-4)*5] [3] [2]);
 139
 140                 (square[9*face+5]).corner[0] = &(point.xyz [(face-4)*5] [2] [4]);
 141                 (square[9*face+5]).corner[1] = &(point.xyz [(face-4)*5] [2] [5]);
 142                 (square[9*face+5]).corner[2] = &(point.xyz [(face-4)*5] [3] [5]);
 143                 (square[9*face+5]).corner[3] = &(point.xyz [(face-4)*5] [3] [4]);
 144
 145                 (square[9*face+6]).corner[0] = &(point.xyz [(face-4)*5] [4] [0]);
 146                 (square[9*face+6]).corner[1] = &(point.xyz [(face-4)*5] [4] [1]);
 147                 (square[9*face+6]).corner[2] = &(point.xyz [(face-4)*5] [5] [1]);
 148                 (square[9*face+6]).corner[3] = &(point.xyz [(face-4)*5] [5] [0]);
 149
 150                 (square[9*face+7]).corner[0] = &(point.xyz [(face-4)*5] [4] [2]);
 151                 (square[9*face+7]).corner[1] = &(point.xyz [(face-4)*5] [4] [3]);
 152                 (square[9*face+7]).corner[2] = &(point.xyz [(face-4)*5] [5] [3]);
 153                 (square[9*face+7]).corner[3] = &(point.xyz [(face-4)*5] [5] [2]);
 154
 155                 (square[9*face+8]).corner[0] = &(point.xyz [(face-4)*5] [4] [4]);
 156                 (square[9*face+8]).corner[1] = &(point.xyz [(face-4)*5] [4] [5]);
 157                 (square[9*face+8]).corner[2] = &(point.xyz [(face-4)*5] [5] [5]);
 158                 (square[9*face+8]).corner[3] = &(point.xyz [(face-4)*5] [5] [4]);
 159                 }
 160
 161         for (i=0; i<54; i++)
 162                 (square[i]).colour = 1+ i / 9;
 163
 164         for (i=54; i<56; i++)
 165                 (square[i]).colour = 0;
 166         }
 167
 168 void init_points()      /*      generate cube centered on (0,0,0)       */
 169         {
 170         int i,j,k;
 171
 172         for (i=0; i<6; i++)
 173                 for (j=0; j<6; j++)
 174                         for (k=0; k<6; k++)
 175                                 if (i==0 || i==5 || j==0 || j==5 || k==0 || k==5)
 176                                         {
 177                                         switch (i)
 178                                                 {
 179                                                 case 0:
 180                                                         (start.xyz [i] [j] [k]).x = size * -3;
 181                                                         break;
 182                                                 case 1:
 183                                                 case 2:
 184                                                         (start.xyz [i] [j] [k]).x = -size;
 185                                                         break;
 186                                                 case 3:
 187                                                 case 4:
 188                                                         (start.xyz [i] [j] [k]).x = size;
 189                                                         break;
 190                                                 case 5:
 191                                                         (start.xyz [i] [j] [k]).x = size * 3;
 192                                                         break;
 193                                                 }
 194                                         switch (j)
 195                                                 {
 196                                                 case 0:
 197                                                         (start.xyz [i] [j] [k]).y = size * -3;
 198                                                         break;
 199                                                 case 1:
 200                                                 case 2:
 201                                                         (start.xyz [i] [j] [k]).y = -size;
 202                                                         break;
 203                                                 case 3:
 204                                                 case 4:
 205                                                         (start.xyz [i] [j] [k]).y = size;
 206                                                         break;
 207                                                 case 5:
 208                                                         (start.xyz [i] [j] [k]).y = size * 3;
 209                                                         break;
 210                                                 }
 211                                         switch (k)
 212                                                 {
 213                                                 case 0:
 214                                                         (start.xyz [i] [j] [k]).z = size * -3;
 215                                                         break;
 216                                                 case 1:
 217                                                 case 2:
 218                                                         (start.xyz [i] [j] [k]).z = -size;
 219                                                         break;
 220                                                 case 3:
 221                                                 case 4:
 222                                                         (start.xyz [i] [j] [k]).z = size;
 223                                                         break;
 224                                                 case 5:
 225                                                         (start.xyz [i] [j] [k]).z = size * 3;
 226                                                         break;
 227                                                 }
 228                                         }
 229         }