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}\n\n // Информация справа от поля\n oled.setFont(u8g2_font_5x7_tr);\n oled.drawStr(42, 10, \"TETRIS\");\n\n char text[16];\n snprintf(text, sizeof(text), \"Score:%u\", score);\n oled.drawStr(42, 24, text);\n\n snprintf(text, sizeof(text), \"Lines:%u\", linesCleared);\n oled.drawStr(42, 36, text);\n\n if (gameOver) {\n oled.drawStr(42, 50, \"GAME\");\n oled.drawStr(42, 59, \"OVER\");\n oled.drawStr(2, 63, \"Press ROTATE to restart\");\n }\n\n oled.sendBuffer();\n}\n\nvoid setup() {\n pinMode(BUTTON_LEFT_PIN, INPUT_PULLUP);\n pinMode(BUTTON_RIGHT_PIN, INPUT_PULLUP);\n pinMode(BUTTON_ROTATE_PIN, INPUT_PULLUP);\n\n Wire.begin(D2, D1);\n oled.begin();\n\n randomSeed(analogRead(A0));\n\n resetGame();\n drawGame();\n}\n\nvoid loop() {\n bool leftPressed = justPressed(BUTTON_LEFT_PIN, previousLeft);\n bool rightPressed = justPressed(BUTTON_RIGHT_PIN, previousRight);\n bool rotatePressed = justPressed(BUTTON_ROTATE_PIN, previousRotate);\n\n if (gameOver) {\n if (rotatePressed) {\n resetGame();\n }\n } else {\n if (leftPressed && canPlace(pieceX - 1, pieceY, currentPiece)) {\n pieceX--;\n }\n\n if (rightPressed && canPlace(pieceX + 1, pieceY, currentPiece)) {\n pieceX++;\n }\n\n if (rotatePressed) {\n rotatePiece();\n }\n\n // Автоматическое падение фигуры\n unsigned long now = millis();\n if (now - lastFallTime >= fallInterval) {\n lastFallTime = now;\n moveDown();\n }\n }\n\n drawGame();\n delay(15);\n}","type":"unstyled","key":"4qi25"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Управление","type":"header-two","key":"324hq"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":2,"offset":0,"style":"BOLD"}],"text":"D5 — влево.","type":"unordered-list-item","key":"bsh13"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":2,"offset":0,"style":"BOLD"}],"text":"D6 — 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Скорость падения — fallInterval: меньшее значение означает более быструю игру. Код рассчитан на OLED SSD1306 128×64 с I²C-подключением к D2 и D1.","type":"unstyled","key":"371t1"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Скетч управляет OLED-дисплеем SSD1306 и игровым полем из 10 столбцов и 20 строк. Фигуры состоят из клеток, падают вниз, поворачиваются кнопкой и фиксируются на поле, когда упираются в нижнюю границу или другие блоки.","type":"unstyled","key":"6j293"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"1. Библиотеки и OLED-дисплей","type":"header-two","key":"9metb"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"8k9dd"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":7,"offset":1,"style":"BOLD"},{"length":7,"offset":22,"style":"BOLD"},{"length":7,"offset":40,"style":"BOLD"}],"text":"#include \n#include \n#include ","type":"unstyled","key":"3feis"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Arduino.h содержит основные функции Arduino: pinMode(), digitalRead(), millis() и другие.","type":"unordered-list-item","key":"brtjo"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Wire.h обеспечивает связь по I²C.","type":"unordered-list-item","key":"3evj5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"U8g2lib.h управляет OLED-дисплеем.","type":"unordered-list-item","key":"1vmlk"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Объект дисплея:","type":"unstyled","key":"6dj1d"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"f92q5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":4,"offset":36,"style":"BOLD"}],"text":"U8G2_SSD1306_128X64_NONAME_F_HW_I2C oled(\n U8G2_R0,\n U8X8_PIN_NONE\n);","type":"unstyled","key":"f0roi"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"задаёт дисплей SSD1306 размером 128×64, аппаратную I²C-шину и отсутствие отдельного вывода сброса дисплея.","type":"unstyled","key":"bis2g"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"В setup() вызов:","type":"unstyled","key":"8tq2u"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"f0o5d"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Wire.begin(D2, D1);","type":"unstyled","key":"9ktgi"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"задаёт линии I²C для NodeMCU: D2 — SDA, D1 — SCL. После этого oled.begin() запускает экран.","type":"unstyled","key":"jfu7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Суффикс _F_ в названии драйвера означает, что используется полный буфер изображения в памяти ESP8266. Скетч сначала рисует кадр в буфере, затем sendBuffer() передаёт его на дисплей.","type":"unstyled","key":"3c3ou"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"2. Подключение кнопок","type":"header-two","key":"sqbr"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"8816h"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":9,"offset":0,"style":"BOLD"},{"length":9,"offset":42,"style":"BOLD"},{"length":9,"offset":84,"style":"BOLD"}],"text":"constexpr uint8_t BUTTON_LEFT_PIN = D5;\nconstexpr uint8_t BUTTON_RIGHT_PIN = D6;\nconstexpr uint8_t BUTTON_ROTATE_PIN = D7;","type":"unstyled","key":"apjis"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Кнопки подключаются между соответствующим GPIO и GND. В режиме INPUT_PULLUP отпущенная кнопка читается как HIGH, а нажатая — как LOW.","type":"unstyled","key":"2oro0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"В setup() включается этот режим:","type":"unstyled","key":"m5r0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"5ohof"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"pinMode(BUTTON_LEFT_PIN, INPUT_PULLUP);\npinMode(BUTTON_RIGHT_PIN, INPUT_PULLUP);\npinMode(BUTTON_ROTATE_PIN, INPUT_PULLUP);","type":"unstyled","key":"5vviq"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Поэтому внешние подтягивающие резисторы для этих кнопок обычно не нужны.","type":"unstyled","key":"ftkp"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"3. Игровое поле","type":"header-two","key":"66h0f"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"9ldjf"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":9,"offset":0,"style":"BOLD"},{"length":9,"offset":32,"style":"BOLD"}],"text":"constexpr uint8_t BOARD_W = 10;\nconstexpr uint8_t BOARD_H = 20;","type":"unstyled","key":"30juo"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Поле состоит из 10 клеток по горизонтали и 20 по вертикали. Оно хранится в массиве:","type":"unstyled","key":"9g7jm"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"4c2f4"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"bool board[BOARD_H][BOARD_W];","type":"unstyled","key":"al8u7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Каждая ячейка массива соответствует одной клетке:","type":"unstyled","key":"cjhlt"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"false — клетка свободна;","type":"unordered-list-item","key":"8nuuo"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"true — в ней уже лежит часть фигуры.","type":"unordered-list-item","key":"d7u3a"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Например, board[5][3] относится к клетке пятой строки и третьего столбца. В коде нумерация начинается с нуля.","type":"unstyled","key":"4b1e5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"4. Размер клетки и размещение поля","type":"header-two","key":"ajagp"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"fmoru"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":9,"offset":0,"style":"BOLD"},{"length":9,"offset":28,"style":"BOLD"},{"length":9,"offset":59,"style":"BOLD"}],"text":"constexpr uint8_t CELL = 3;\nconstexpr uint8_t BOARD_X = 4;\nconstexpr uint8_t BOARD_Y = 2;","type":"unstyled","key":"6587l"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Одна клетка занимает 3×3 пикселя. BOARD_X и BOARD_Y задают верхний левый угол игрового поля на OLED.","type":"unstyled","key":"bat1u"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Поле занимает примерно 30 пикселей по ширине и 60 пикселей по высоте. Справа от него скетч выводит название игры, счёт и число удалённых строк.","type":"unstyled","key":"7jh01"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Функция drawCell() переводит координаты клетки в пиксельные координаты:","type":"unstyled","key":"ahbjs"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"v4a"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"BOARD_X + x * CELL\nBOARD_Y + y * CELL","type":"unstyled","key":"24lmd"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Она рисует квадрат с небольшим промежутком между соседними клетками.","type":"unstyled","key":"6rr06"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"5. Как описаны фигуры","type":"header-two","key":"ajdtt"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Фигуры записаны в массиве:","type":"unstyled","key":"5fakl"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"50eb6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"const uint8_t shapes[7][4][4];","type":"unstyled","key":"8idl6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"В игре семь типов фигур. Каждая задана матрицей 4×4:","type":"unstyled","key":"eu0sh"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"1 означает, что в этой позиции есть блок;","type":"unordered-list-item","key":"5kff0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"0 означает пустую клетку.","type":"unordered-list-item","key":"ehm5b"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Например, фигура I выглядит в массиве примерно так:","type":"unstyled","key":"a2uoj"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"2898r"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"{\n {0, 0, 0, 0},\n {1, 1, 1, 1},\n {0, 0, 0, 0},\n {0, 0, 0, 0}\n}","type":"unstyled","key":"1nr9e"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Когда создаётся новая фигура, её матрица копируется из shapes в currentPiece. Благодаря этому программа может менять положение и поворачивать текущую фигуру, не изменяя исходные шаблоны.","type":"unstyled","key":"fhq4a"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"6. Положение текущей фигуры","type":"header-two","key":"8lces"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"4782h"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"uint8_t currentPiece[4][4];\nuint8_t pieceType;\nint pieceX;\nint pieceY;","type":"unstyled","key":"2ada"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"currentPiece — матрица текущей фигуры.","type":"unordered-list-item","key":"fr746"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"pieceType — номер выбранного типа фигуры.","type":"unordered-list-item","key":"8s8dc"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"pieceX и pieceY — положение левого верхнего угла матрицы 4×4 относительно игрового поля.","type":"unordered-list-item","key":"a79a"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Внутри матрицы могут быть пустые строки или столбцы. Поэтому pieceX и pieceY указывают начало всей матрицы, а не обязательно точное положение первого блока.","type":"unstyled","key":"1k4sb"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"7. Создание новой фигуры","type":"header-two","key":"8pv7k"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Функция spawnPiece() выбирает случайный тип:","type":"unstyled","key":"88poc"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"e4n4m"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"pieceType = random(0, 7);","type":"unstyled","key":"1vb7k"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Затем копирует его матрицу в currentPiece и ставит фигуру в верхнюю часть поля:","type":"unstyled","key":"6vdpi"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"fm5ts"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"pieceX = 3;\npieceY = 0;","type":"unstyled","key":"3h2da"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"После этого проверяется, не заняты ли клетки новой фигуры. Если новую фигуру нельзя поставить — например, верх поля уже заполнен, — устанавливается:","type":"unstyled","key":"9jq6p"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"6ihie"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"gameOver = true;","type":"unstyled","key":"6m0u3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Случайное число подготавливается в setup() вызовом randomSeed(analogRead(A0)). Это делает последовательность фигур менее повторяющейся при каждом запуске.","type":"unstyled","key":"d8v65"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"8. Проверка возможности перемещения","type":"header-two","key":"cp497"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Функция canPlace() отвечает на вопрос: можно ли поставить фигуру в заданную позицию?","type":"unstyled","key":"83ftk"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"di18f"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":8,"offset":5,"style":"BOLD"}],"text":"bool canPlace(int newX, int newY, const uint8_t shape[4][4])","type":"unstyled","key":"78jve"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Она перебирает все 16 элементов матрицы. Пустые элементы пропускаются. Для каждого блока рассчитывается положение на поле:","type":"unstyled","key":"dc4or"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"d55kn"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"int boardX = newX + x;\nint boardY = newY + y;","type":"unstyled","key":"be8cc"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Затем проверяется:","type":"unstyled","key":"brlfo"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"не выходит ли блок за левый или правый край;","type":"ordered-list-item","key":"5nle5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"не опускается ли ниже нижней границы;","type":"ordered-list-item","key":"dqpnq"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"не занята ли соответствующая клетка уже зафиксированным блоком.","type":"ordered-list-item","key":"ejnsu"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Отрицательное значение boardY разрешено. Это нужно, чтобы фигура могла частично находиться выше игрового поля при повороте у верхней границы. Если клетка уже попала в область поля, проверяется board[boardY][boardX].","type":"unstyled","key":"1seub"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Функция не меняет состояние игры — только возвращает true, если позиция допустима, и false, если недопустима.","type":"unstyled","key":"41h7v"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"9. Поворот фигуры","type":"header-two","key":"bn0n3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Функция rotatePiece() создаёт временную матрицу rotated и поворачивает фигуру по часовой стрелке.","type":"unstyled","key":"enu90"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Для квадратной матрицы 4×4 координаты после поворота вычисляются так:","type":"unstyled","key":"6buse"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"87ith"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"rotated[y][x] = currentPiece[3 - x][y];","type":"unstyled","key":"2dg89"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Прежде чем применить поворот, программа вызывает canPlace() для новой матрицы. Если после поворота фигура не столкнётся со стеной или блоками, новая матрица копируется обратно в currentPiece.","type":"unstyled","key":"dhg0u"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Если места для поворота нет, фигура остаётся в прежнем положении. В этой версии нет дополнительного «сдвига» фигуры в сторону для поворота рядом со стеной — такое поведение можно добавить отдельно.","type":"unstyled","key":"akj3a"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"10. Перемещение по горизонтали","type":"header-two","key":"k8c9"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"В loop() сначала проверяются кнопки. Если нажата кнопка влево и новая позиция допустима:","type":"unstyled","key":"7aerd"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"965v0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":2,"offset":0,"style":"BOLD"}],"text":"if (leftPressed && canPlace(pieceX - 1, pieceY, currentPiece)) {\n pieceX--;\n}","type":"unstyled","key":"4jtq7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Фигура перемещается на одну клетку влево. Аналогично обрабатывается кнопка вправо.","type":"unstyled","key":"dvtgd"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Проверка canPlace() не позволяет фигуре выйти за край поля или пройти сквозь уже лежащие блоки.","type":"unstyled","key":"77h29"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"11. Падение фигуры","type":"header-two","key":"9130s"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Падение выполняется через таймер на millis(), а не через длительный delay():","type":"unstyled","key":"4uk22"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"63deo"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":2,"offset":0,"style":"BOLD"}],"text":"if (now - lastFallTime >= fallInterval) {\n lastFallTime = now;\n moveDown();\n}","type":"unstyled","key":"3io7h"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"lastFallTime хранит время предыдущего шага, а fallInterval — задержку между шагами в миллисекундах. Изначально интервал равен 500 мс.","type":"unstyled","key":"1ltqv"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Функция moveDown() проверяет, можно ли опустить фигуру на одну клетку:","type":"unstyled","key":"9mr1n"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"63p44"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":2,"offset":0,"style":"BOLD"}],"text":"if (canPlace(pieceX, pieceY + 1, currentPiece)) {\n pieceY++;\n}","type":"unstyled","key":"9jmb1"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Если можно — увеличивает pieceY, и фигура опускается. Если нельзя — вызывает lockPiece(), чтобы закрепить фигуру на поле.","type":"unstyled","key":"6vlgi"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"12. Закрепление фигуры на поле","type":"header-two","key":"ekes1"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Функция lockPiece() перебирает матрицу текущей фигуры. Для каждой занятой клетки вычисляет её координаты на игровом поле и устанавливает соответствующую ячейку board в true.","type":"unstyled","key":"4f8f5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"После этого программа вызывает:","type":"unstyled","key":"9c0sm"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"esnu6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"clearFullLines();\nspawnPiece();","type":"unstyled","key":"fcjo3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Сначала удаляются заполненные строки, затем появляется следующая фигура.","type":"unstyled","key":"d28s5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"13. Удаление заполненных строк","type":"header-two","key":"84psm"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Функция clearFullLines() проверяет строки снизу вверх. Строка считается заполненной, если все её клетки равны true.","type":"unstyled","key":"fcsvq"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Когда такая строка найдена:","type":"unstyled","key":"5340b"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"счётчик удалённых строк за ход увеличивается;","type":"ordered-list-item","key":"cdrsf"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"все строки выше сдвигаются вниз;","type":"ordered-list-item","key":"4p946"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"верхняя строка очищается;","type":"ordered-list-item","key":"fejk7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"текущая строка проверяется ещё раз.","type":"ordered-list-item","key":"a8hho"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Повторная проверка нужна, потому что после сдвига на место удалённой строки могла опуститься ещё одна заполненная строка.","type":"unstyled","key":"1uqmf"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"За каждую удалённую линию добавляется 10 очков:","type":"unstyled","key":"e51lt"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"l8hs"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"score += clearedThisTurn * 10;","type":"unstyled","key":"76irc"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"14. Ускорение игры","type":"header-two","key":"28kdl"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"После удаления строк уменьшается fallInterval:","type":"unstyled","key":"bu9g1"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"2of76"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"fallInterval = 500 - linesCleared * 15;","type":"unstyled","key":"d8ui3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Чем меньше интервал, тем чаще фигура делает шаг вниз. Ограничение не даёт игре стать слишком быстрой:","type":"unstyled","key":"brgo9"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"3vb6u"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":2,"offset":0,"style":"BOLD"}],"text":"if (fallInterval < 120) {\n fallInterval = 120;\n}","type":"unstyled","key":"3vtf8"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"То есть падение не ускоряется дальше интервала 120 мс.","type":"unstyled","key":"8hpg2"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"15. Обработка нажатий кнопок","type":"header-two","key":"4clp4"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Функция justPressed() сравнивает текущее состояние кнопки с предыдущим:","type":"unstyled","key":"6ets1"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"6p587"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"bool pressed = (previousState == HIGH && currentState == LOW);","type":"unstyled","key":"cdk9k"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Она возвращает true только в момент перехода HIGH → LOW. Если кнопку держать нажатой, одно и то же действие не выполняется на каждом проходе loop().","type":"unstyled","key":"dmkfj"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Переменные previousLeft, previousRight и previousRotate хранят прежнее состояние каждой кнопки. В скетче нет отдельной фильтрации дребезга контактов, поэтому при некоторых кнопках одно нажатие может иногда регистрироваться несколько раз. При необходимости к обработчику можно добавить программную задержку или фильтр по времени.","type":"unstyled","key":"9bjjn"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"16. Отрисовка","type":"header-two","key":"4vk3g"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"drawGame() каждый кадр формирует изображение заново:","type":"unstyled","key":"dh6ko"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"очищает буфер через oled.clearBuffer();","type":"ordered-list-item","key":"19v8c"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"рисует границу поля;","type":"ordered-list-item","key":"47bti"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"перебирает board и рисует все закреплённые блоки;","type":"ordered-list-item","key":"3jrhe"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"рисует текущую падающую фигуру;","type":"ordered-list-item","key":"1riq9"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"выводит счёт и число удалённых строк;","type":"ordered-list-item","key":"2re6q"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"при проигрыше показывает сообщение GAME OVER;","type":"ordered-list-item","key":"3bhcp"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"отправляет кадр на OLED командой oled.sendBuffer().","type":"ordered-list-item","key":"6qhqr"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Сначала рисуются закреплённые блоки, затем текущая фигура поверх игрового поля. Поэтому падающая фигура видна отдельно от уже собранных рядов.","type":"unstyled","key":"24mbk"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"17. Главный цикл loop()","type":"header-two","key":"dpt2n"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"loop() выполняется постоянно:","type":"unstyled","key":"etlb6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"проверяет, нажаты ли кнопки;","type":"ordered-list-item","key":"cujhr"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"если игра завершена, ждёт кнопку поворота для перезапуска;","type":"ordered-list-item","key":"e47qi"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"если игра идёт — перемещает фигуру влево или вправо;","type":"ordered-list-item","key":"62q06"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"при нажатии кнопки поворачивает фигуру;","type":"ordered-list-item","key":"fdjfm"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"по таймеру опускает фигуру;","type":"ordered-list-item","key":"2e1hb"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"перерисовывает экран;","type":"ordered-list-item","key":"82cek"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"ждёт 15 мс перед следующим проходом.","type":"ordered-list-item","key":"75cut"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Короткий delay(15) не задаёт скорость падения — за неё отвечает fallInterval. Эта небольшая задержка лишь ограничивает частоту обновления экрана и обработки цикла.","type":"unstyled","key":"7sua"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Важное замечание про надпись перезапуска","type":"header-two","key":"bmufe"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"В коде написано:","type":"unstyled","key":"6lv3i"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"fshs0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"oled.drawStr(2, 63, \"Press ROTATE to restart\");","type":"unstyled","key":"2jpfg"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Строка длиннее ширины OLED, поэтому она, скорее всего, не поместится полностью. Её лучше сократить, например:","type":"unstyled","key":"b0pne"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cpp","type":"unstyled","key":"b1d44"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"oled.drawStr(42, 63, \"ROTATE: restart\");","type":"unstyled","key":"3174u"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Кроме того, сетка 10×20 с клеткой 3 пикселя занимает только 30 пикселей по ширине, поэтому само поле получится узким. Это ожидаемо для исходных размеров. Чтобы поле стало крупнее, можно увеличить CELL, но тогда нужно пересчитать его ширину и высоту так, чтобы оно поместилось на дисплее 128×64.","type":"unstyled","key":"3tgu"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"unstyled","key":"c6ffb"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"marker","key":"KH1S3xSJU4ATAfija1R2"}],"entityMap":{}},"mentions":[]}