int dx1 = 0, dy1 = 0, dx2 = 0, dy2 = 0;
switch(direct) {
case 0:
if(xMove + 1 >= shipSize) {
dy1 = 1;
dx2 = -1;
direct = 1;
} else {
dy1 = 1;
dx2 = 1;
direct = 2;
}
break;
// ....
}
for (int i = 0; i < shipSize; i++) {
Field.ceils[yMove + dy1 * i][xMove + dx1 * i].type = 0;
Field.ceils[yMove + dy2 * i][xMove + dx2 * i].type = 1;
}