finald = sqrt((ix-game.kx[l])*(double)(ix-game.kx[l]) +
(iy-game.ky[l])*(double)(iy-game.ky[l]));
game.kavgd[l] = 0.5 * (finald+game.kdist[l]);
finald = sqrt((ix-game.kx[l])*(double)(ix-game.kx[l]) +
(iy-game.ky[l])*(double)(iy-game.ky[l]));
game.kavgd[l] = 0.5 * (finald+game.kdist[l]);