Add game class

Class to control fps in game

main.py

@@ -0,0 +1,44 @@
+from threading import Thread
+from screen import Screen
+from timer import Timer
+from getkey import getkey
+
+
+class Tetris:
+    def __init__(self) -> None:
+        self.screen = Screen(10, 20, '..')
+
+        self.last_char = ''
+        self.input_thread = Thread(target=self.input, daemon=True)
+        self.input_thread.start()
+
+        self.timer = Timer()
+
+    def start(self) -> None:
+        self.running = True
+        while self.running:
+            self.timer.control_fps(30)
+            self.screen.print()
+
+    def stop(self) -> None:
+        self.running = False
+        self.timer.running = False
+        self.input_running = False
+
+    def input(self) -> None:
+        self.input_running = True
+        while self.input_running:
+            self.last_char = getkey()
+            match self.last_char:
+                case 'q':
+                    self.stop()
+                    return
+
+
+def main() -> None:
+    game = Tetris()
+    game.start()
+
+
+if __name__ == "__main__":
+    main()

requirements.txt

@@ -0,0 +1 @@
+getkey==0.6.5

screen.py

@@ -0,0 +1,44 @@
+from typing import List, Any
+from sys import platform
+
+
+if platform == "win32":
+    from ctypes import windll, c_long, Structure
+    STD_OUTPUT_HANDLE = -11
+    STDHANDLE = windll.kernel32.GetStdHandle(STD_OUTPUT_HANDLE)
+
+    class COORDSET(Structure):
+        _fields_ = [("X", c_long), ("Y", c_long)]
+
+    def set_cursor_position(x: int, y: int) -> None:
+        windll.kernel32.SetConsoleCursorPosition(STDHANDLE, COORDSET(x, y))
+else:
+    def set_cursor_position(x: int, y: int) -> None:
+        print(f"\033[{x};{y}H")
+
+
+class Screen:
+    def __init__(
+        self,
+        width: int,
+        height: int,
+        fill_object: Any = None
+    ) -> None:
+        self.width: int = width
+        self.height: int = height
+        self.frame: List[List[Any]] = \
+            [[fill_object] * width for line in range(height)]
+
+    def __getitem__(self, key: int) -> List[Any]:
+        return self.frame[key]
+
+    def fill(self, fill_object: Any = None) -> None:
+        self.frame: List[List[Any]] = \
+            [[fill_object] * width for line in range(height)]
+
+    def print(self) -> None:
+        set_cursor_position(0, 0)
+        for line in self.frame:
+            for point in line:
+                print(point, end='')
+            print()

timer.py

@@ -0,0 +1,18 @@
+from time import time
+
+
+class Timer:
+    def __init__(self) -> None:
+        self.running = False
+        self.old = 0
+
+    def control_fps(self, fps: int) -> int:
+        if not self.running:
+            self.old = time()
+            return
+
+        delay_between_frames = 1 / fps
+        now = time()
+        while now - self.old < delay_between_frames:
+            now = time()
+        self.old = now