Scene added + HMI.

src/Apple.py

@@ -1,14 +1,13 @@
-import curses
-
 import numpy as np
 
 
 class Apple:
-    def __init__(self):
-        self.pos = (np.random.randint(curses.LINES), np.random.randint(curses.COLS))
+    def __init__(self, y, x, h, w):
+        self.pos = None
+        self.spawn(y, x, h, w)
 
-    def spawn(self):
-        self.pos = (np.random.randint(curses.LINES), np.random.randint(curses.COLS))
+    def spawn(self, y, x, h, w):
+        self.pos = (np.random.randint(y+1, y + h - 1), np.random.randint(x+1, x + w - 1))
 
     def show(self, stdscr):
         stdscr.addstr(*self.pos, 'O')

src/Snake.py

@@ -16,10 +16,10 @@
 
 
 class Snake:
-    def __init__(self):
-        head = (curses.LINES // 2, curses.COLS // 2)
+    def __init__(self, y, x, h, w):
+        head = (y + (y + h) // 2, x + (x + w) // 2)
         self.body = [head]
-        tmp = [tuple(map(sum, zip(head, (0, i)))) for i in range(1, 20)]
+        tmp = [tuple(map(sum, zip(head, (0, i)))) for i in range(1, 2)]
         self.body += tmp
         self.tokens = ['@'] + ['-'] * len(tmp)
 
@@ -29,6 +29,8 @@ def __init__(self):
         self.trail = []
         self.score = 0
 
+        self.scene = y, x, h, w
+
     def change_direction(self, dir):
         if (dir in [curses.KEY_UP, curses.KEY_DOWN, curses.KEY_LEFT, curses.KEY_RIGHT]
                 and not (self.dir == curses.KEY_UP and dir == curses.KEY_DOWN)
@@ -79,23 +81,23 @@ def is_eating(self, apple):
         eating_apple = self.body[0] == apple.pos
         if eating_apple:
             self.score += 1
-            apple.spawn()
+            apple.spawn(*self.scene)
         return eating_apple
 
     def head(self):
         return self.body[0]
 
-    def inside(self):
-        return (0 <= self.body[0][0] < curses.LINES) and (0 <= self.body[0][1] < curses.COLS)
+    def inside(self, y, x, h, w):
+        return (y < self.body[0][0] < y + h - 1) and (x < self.body[0][1] < x + w - 1)
 
     def self_intersect(self):
         return sum([self.head() == part for part in self.body[1:]])
 
-    def update(self, eating_apple):
+    def update(self, eating_apple, ):
         if eating_apple:
             self.trail += [self.body[-1]] * 10
 
-        if not self.inside():
+        if not self.inside(*self.scene):
             return 1
             # raise Warning(f"hit walls -> {self.score}")
 
@@ -109,7 +111,7 @@ def show(self, stdscr):
         for i, part in enumerate(self.body[1:]):
             stdscr.addch(*part, self.tokens[i + 1])
 
-        if self.inside():
+        if self.inside(*self.scene):
             stdscr.addstr(*self.body[0], '@')
 
         msgs = [f"trail: {self.trail}",

src/main.py

@@ -11,16 +11,47 @@ def main(stdscr):
     curses.curs_set(0)
     stdscr.nodelay(1)
 
-    snake = Snake()
-    apple = Apple()
+    scene = 0, 0, curses.LINES - 1, curses.COLS - 1
+    snake = Snake(*scene)
+    apple = Apple(*scene)
 
     fps = 15
 
+    H = 20
+    W = 20
+
+    _wall = 10
+    curses.init_color(_wall, 1000, 1000, 1000)
+    curses.init_pair(_wall, _wall, _wall)
+
     play = True
     while True:
         stdscr.erase()
 
-        snake.change_direction(stdscr.getch())
+        for y, x in [(scene[0], scene[1] + x) for x in range(scene[3])] + \
+                    [(scene[0] + scene[2] - 1, scene[1] + x) for x in range(scene[3])] + \
+                    [(scene[0] + y, scene[1]) for y in range(1, scene[2])] + \
+                    [(scene[0] + y, scene[1] + scene[3] - 1) for y in range(1, scene[2])]:
+            stdscr.addch(y, x, ' ', curses.color_pair(_wall))
+
+        if curses.is_term_resized(curses.LINES, curses.COLS):
+            pass
+
+        c = stdscr.getch()
+
+        if c in [27, ord('q')]:
+            break
+
+        if c == ord('r'):
+            if not play:
+                snake = Snake(*scene)
+                apple = Apple(*scene)
+                play = True
+
+        if c == 10:
+            curses.resizeterm(curses.LINES + 5, curses.COLS)
+
+        snake.change_direction(c)
         if play:
             snake.move()
             if snake.update(snake.is_eating(apple)):
@@ -34,4 +65,7 @@ def main(stdscr):
 
 
 if __name__ == "__main__":
-    curses.wrapper(main)
+    try:
+        curses.wrapper(main)
+    except KeyboardInterrupt:
+        pass