the point array and loop by dark q

typedef struct Point2Struct {     double x, y; } Point2; typedef struct Point3Struct {     double x, y, z; } Point3; /* --------------- Box02 ---------------*/ Point3 Box02_vertex[] = {     {-25.676006,-85.303658,  0.000000}, {-25.676006,-34.696342,  0.000000}, { 24.931313,-34.696342,  0.000000},     { 24.931313,-85.303658,  0.000000}, {-25.676006,-85.303658, 50.607319}, { 24.931313,-85.303658, 50.607319},     { 24.931313,-34.696342, 50.607319}, {-25.676006,-34.696342, 50.607319} }; long Box02_face[] = {     0,1,2,-1,     2,3,0,-1,     4,5,6,-1,     6,7,4,-1,     0,3,5,-1,     5,4,0,-1,     3,2,6,-1,     6,5,3,-1,     2,1,7,-1,     7,6,2,-1,     1,0,4,-1,     4,7,1,-1 }; /////////////////////////////////////////////////////////////////////////////////////////// int i; glBegin(GL_TRIANGLES); for(i=0; i<8; i++) { glVertex3d(Box02_vertex[i].x, Box02_vertex[i].y, Box02_vertex[i].z); } glEnd(); glFlush();