diff options
Diffstat (limited to 'wasp/apps')
| -rw-r--r-- | wasp/apps/snake.py | 60 |
1 files changed, 25 insertions, 35 deletions
diff --git a/wasp/apps/snake.py b/wasp/apps/snake.py index dff6d94..94fceb5 100644 --- a/wasp/apps/snake.py +++ b/wasp/apps/snake.py @@ -90,7 +90,12 @@ class SnakeGameApp(): def foreground(self): """Activate the application.""" - self._draw() + wasp.watch.drawable.fill() + if self.running: + self.update() + else: + self.snake.show() + wasp.watch.drawable.fill(x=self.food[0],y=self.food[1],w=15,h=15,bg=0x00ff) wasp.system.request_event(wasp.EventMask.TOUCH | wasp.EventMask.SWIPE_UPDOWN | wasp.EventMask.SWIPE_LEFTRIGHT) @@ -113,35 +118,27 @@ class SnakeGameApp(): elif event[0] == wasp.EventType.RIGHT: self.snake.set_dir(15,0) else: - self.running = False return True def tick(self, ticks): """Notify the application that its periodic tick is due.""" self.update() - def food_location(self): x = randint(0,15) * 15 y = randint(0,15) * 15 self.food = [x,y] - def _draw(self): - wasp.watch.drawable.fill() - if self.running: - self.update() - def update(self): draw = wasp.watch.drawable """Draw the display from scratch.""" if (self.snake.eat(self.food)): self.food_location() - draw.fill(x=self.food[0],y=self.food[1],w=15,h=15,bg=0x00ff) self.snake.update() if (self.snake.end_game()): - if self.snake.len > self.highscore: - self.highscore = self.snake.len + if len(self.snake.body) > self.highscore: + self.highscore = len(self.snake.body) self.running = False wasp.watch.vibrator.pulse() self.snake = Snake() @@ -152,41 +149,43 @@ class SnakeGameApp(): draw.string('Highscore: '+str(self.highscore-1),0,180,width=240) draw.reset() return True - self.snake.show() + if self.running: + self.snake.show() + draw.fill(x=self.food[0],y=self.food[1],w=15,h=15,bg=0x00ff) return True # Based on https://www.youtube.com/watch?v=OMoVcohRgZA class Snake(): def __init__(self): - self.body = [] - self.body.append([120,120]) + self.body = [[120,120]] self.xdir = 0 self.ydir = 0 - self.len = 1 + self.justate = False + self.oldtail = [0,0] def set_dir(self,x,y): self.xdir = x self.ydir = y - def update(self): + def update(self): + self.oldtail = self.body[0].copy() head = self.body[-1].copy() - self.body = self.body[1:] + if not self.justate: + self.body = self.body[1:] + self.justate = False head[0] += self.xdir head[1] += self.ydir self.body.append(head) - def grow(self): - head = self.body[-1] - self.len += 1 - self.body.append(head) - #self.update() - def eat(self,pos): x = self.body[-1][0] y = self.body[-1][1] if (x == pos[0] and y == pos[1]): - self.grow() + self.justate = True + # Color food white so it appears as a body part: + wasp.watch.drawable.fill(x=(self.body[-1][0]),y=(self.body[-1][1]),w=15,h=15,bg=0x0000) + wasp.watch.drawable.fill(x=self.body[-1][0]+1,y=self.body[-1][1]+1,w=13,h=13,bg=0xffff) return True return False @@ -194,23 +193,14 @@ class Snake(): x = self.body[-1][0] y = self.body[-1][1] if (x >= 240 or x < 0) or (y >= 240 or y < 0): - print("Inside 1") return True for i in range(len(self.body)-1): part = self.body[i] if (part[0] == x and part[1] == y): - print("Inside 2") return True return False def show(self): draw = wasp.watch.drawable - if self.len == 1: #vanish old and show new - draw.fill(x=(self.body[0][0]-self.xdir),y=(self.body[0][1]-self.ydir),w=15,h=15,bg=0x0000) - draw.fill(x=self.body[0][0]+1,y=self.body[0][1]+1,w=13,h=13,bg=0xffff) - else: # vanish last and show first - draw.fill(x=self.body[0][0],y=self.body[0][1],w=15,h=15,bg=0x0000) - draw.fill(x=self.body[-1][0]+1,y=self.body[-1][1]+1,w=13,h=13,bg=0xffff) - #for i in range(self.len): - # draw.fill(x=self.body[i][0]+1,y=self.body[i][1]+1,w=13,h=13,bg=0xffff) - + draw.fill(x=self.oldtail[0],y=self.oldtail[1],w=15,h=15,bg=0x0000) + draw.fill(x=self.body[-1][0]+1,y=self.body[-1][1]+1,w=13,h=13,bg=0xffff) |