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2048: Animate sliding tiles

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This commit is contained in:
Dmitrii Ubskii 2021-06-11 22:50:54 +03:00 • committed by Andreas Kling
parent 8a8c2572b1
commit 242742b6c2
4 changed files with 77 additions and 15 deletions
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16
Userland/Games/2048/Game.cpp
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@ -52,6 +52,10 @@ void Game::Board::transpose()
for (size_t j = 0; j < i; j++)
swap(m_tiles[i][j], m_tiles[j][i]);
}
for (auto& t : m_sliding_tiles) {
swap(t.row_from, t.column_from);
swap(t.row_to, t.column_to);
}
}
void Game::Board::reverse()
@ -60,6 +64,12 @@ void Game::Board::reverse()
for (size_t i = 0; i < row.size() / 2; ++i)
swap(row[i], row[row.size() - i - 1]);
}
auto const row_size = m_tiles[0].size();
for (auto& t : m_sliding_tiles) {
t.column_from = row_size - t.column_from - 1;
t.column_to = row_size - t.column_to - 1;
}
}
size_t Game::Board::slide_row(size_t row_index)
@ -85,12 +95,16 @@ size_t Game::Board::slide_row(size_t row_index)
while (first < row.size()) {
auto second = next_nonempty(first + 1);
if (second == row.size() || row[first] != row[second]) {
m_sliding_tiles.append({ row_index, first, row[first], row_index, current_index, row[first] });
row[current_index] = row[first];
current_index++;
first = second;
} else {
VERIFY(row[first] == row[second]);
m_sliding_tiles.append({ row_index, first, row[first], row_index, current_index, 2 * row[first] });
m_sliding_tiles.append({ row_index, second, row[second], row_index, current_index, 2 * row[first] });
row[current_index] = 2 * row[first];
current_index++;
@ -107,6 +121,8 @@ size_t Game::Board::slide_row(size_t row_index)
size_t Game::Board::slide_left()
{
m_sliding_tiles.clear();
size_t successful_merge_score = 0;
for (size_t row_index = 0; row_index < m_tiles.size(); row_index++)