Programming and Graphics

7.3 A rotating polygon in animation 213

break;

case ’+’:

tdir = TRANS;

break;

case 27: /* ESC */

case ’q’:

vexit();

exit(0);

}

}

//--- Done:

vexit();

return(0);

}

//--- vertices

static float xyz[12][3]

={

{0.000000, 0.000000, 1.0},

{0.809017, -0.587785, 0.500000},

{0.809017, 0.587785, 0.500000},

{-0.309017, 0.951057, 0.500000},

{-1.000000, 0.000000, 0.500000},

{-0.309017, -0.951057, 0.500000},

{1.000000, 0.000000, -0.500000},

{0.309017, 0.951057, -0.500000},

{-0.809017, 0.587785, -0.500000},

{-0.809017, -0.587785, -0.500000},

{0.309017, -0.951057, -0.500000},

{0.000000, 0.000000, -1.0}

};

//--- connectivity table

static int ncon[20][3]

={

{1, 2, 3},{1, 3, 4},{1, 4, 5},{1, 5, 6},

{1, 6, 2},{2, 7, 3},{3, 8, 4},{4, 9, 5},

{5, 10, 6},{6, 11, 2},{7, 8, 3},{8, 9, 4},

{9, 10, 5},{10, 11, 6},{11, 7, 2},{7, 12, 8},

{8, 12, 9},{9, 12, 10},{10, 12, 11},{11, 12, 7}

};

//--- drawshape