private void checkForPoints() {
for (int i = 0; i < coordinates.length; i++) {
boolean test = true;
for (int j = 0; j < coordinates[i].length; j++) {
test = test & coordinates[i][j];
}
if (test == true) {
addScore(coordinates[i].length);
for (int j = i - 1; j >= 0; j--) {
System.arraycopy(coordinates[j], 0, coordinates[j + 1], 0, coordinates[j + 1].length);
}
}
}
}
