Method setIdx

app/src/main/java/cs/sq12phase/Shape.java:32–37

(int idx)

    }

    private void setIdx(int idx) {
        parity = idx & 1;
        top = ShapeIdx[idx >> 1];
        bottom = top & 0xfff;
        top >>= 12;
    }

    private int topMove() {
        int move = 0;