bear

public class Bear {
//toa do cua gau
    private int tileX, tileY;

    public Bear() {
//khoi tao toa do
        tileX = 1;
        tileY = 1;

    }

    public void move(Direction direction) {
        int tx = 0;
        int ty = 0;
        switch (direction) {
        case UP:
            tx = 0;
            ty = -1;
            break;
        case DOWN:
            tx = 0;
            ty = 1;
            break;
        case LEFT:
            tx = -1;
            ty = 0;
            break;
        case RIGHT:
            tx = 1;
            ty = 0;
            break;
        }
//thay doi toa do dua vao huong di chuyen
        tileX += tx;
        tileY += ty;
    }
}