dchen278 / dot_gitignore Goto Github PK

    private void moveRight() {
        for (int i = 0; i < grid.length; i++) {
            for (int j = grid[i].length - 1; j > 0; j --) {
                if (grid[i][j] == 0) {
                    grid[i][j] = grid[i][j - 1];
                    grid[i][j] = 0;
                } else if (grid[i][j] == grid[i][j - 1]) {
                    grid[i][j] *= 2;
                    grid[i][j - 1] = 0;
                    score += grid[i][j];
                }
            }
        }
    }

    private void moveUp() {
        for (int i = 0; i < grid.length - 1; i++) {
            for (int j = 0; j < grid[i].length; j++) {
                if (grid[i][j] == 0) {
                    grid[i][j] = grid[i + 1][j];
                    grid[i + 1][j] = 0;
                } else if (grid[i][j] == grid[i + 1][j]) {
                    grid[i][j] *= 2;
                    grid[i + 1][j] = 0;
                    score += grid[i][j];
                }
            }
        }
    }