Add a simple Snake game

games/snake.py

@@ -0,0 +1,58 @@
+import pew
+import random
+
+
+pew.init()
+screen = pew.Pix()
+game_speed = 4
+snake = [(0, 0)]
+dx = 1
+dy = 0
+apple_x = 4
+apple_y = 4
+screen.pixel(apple_x, apple_y, 2)
+
+while True:
+    if len(snake) > 1:
+        x, y = snake[-2]
+        screen.pixel(x, y, 1)
+    x, y = snake[-1]
+    screen.pixel(x, y, 3)
+    pew.show(screen)
+    pew.tick(1 / game_speed)
+    keys = pew.keys()
+    if keys & pew.K_UP and dy == 0:
+        dx = 0
+        dy = -1
+    elif keys & pew.K_LEFT and dx == 0:
+        dx = -1
+        dy = 0
+    elif keys & pew.K_RIGHT and dx == 0:
+        dx = 1
+        dy = 0
+    elif keys & pew.K_DOWN and dy == 0:
+        dx = 0
+        dy = 1
+    x = (x + dx) % 8
+    y = (y + dy) % 8
+    if (x, y) in snake:
+        break
+    snake.append((x, y))
+    if x == apple_x and y == apple_y:
+        screen.pixel(apple_x, apple_y, 0)
+        apple_x, apple_y = snake[0]
+        while (apple_x, apple_y) in snake:
+            apple_x = random.getrandbits(3)
+            apple_y = random.getrandbits(3)
+        screen.pixel(apple_x, apple_y, 2)
+        game_speed += 0.2
+    else:
+        x, y = snake.pop(0)
+        screen.pixel(x, y, 0)
+
+text = pew.Pix.from_text("Game over!")
+while True:
+    for dx in range(-8, text.width):
+        screen.blit(text, -dx, 1)
+        pew.show(screen)
+        pew.tick(1.0/8)