6. snake game
Fri Aug 19 2022 14:51:49 GMT+0000 (Coordinated Universal Time)
Saved by @mwebrania #python
import turtle import random w = 500 h = 500 food_size = 20 delay = 100 offsets = { "up": (0, 20), "down": (0, -20), "left": (-20, 0), "right": (20, 0) } def reset(): global snake, snake_dir, food_position, pen snake = [[0, 0], [0, 20], [0, 40], [0, 60], [0, 80]] snake_dir = "up" food_position = get_random_food_position() food.goto(food_position) move_snake() def move_snake(): global snake_dir new_head = snake[-1].copy() new_head[0] = snake[-1][0] + offsets[snake_dir][0] new_head[1] = snake[-1][1] + offsets[snake_dir][1] if new_head in snake[:-1]: reset() else: snake.append(new_head) if not food_collision(): snake.pop(0) if snake[-1] [0] > w / 2: snake[-1] [0] -= w elif snake[-1] [0] < - w /2: snake[-1] [0] += w elif snake[-1] [1] > h / 2: snake[-1] [1] -= h elif snake[-1] [1] < - h / 2: snake[-1] [1] += h pen.clearstamps() for segment in snake: pen.goto(segment[0], segment[1]) pen.stamp() screen.update() turtle.ontimer(move_snake, delay) def food_collision(): global food_position if get_distance(snake[-1], food_position) < 20: food_position = get_random_food_position() food.goto(food_position) return True return False def get_random_food_position(): x = random.randint (- w / 2 + food_size, w / 2 - food_size) y = random.randint (- h / 2 + food_size, h / 2 - food_size) return(x, y) def get_distance(pos1, pos2): x1, y1 = pos1 x2, y2 = pos2 distance = ((y2 - y1) ** 2 + (x2 - x1) ** 2) ** 0.5 return distance def go_up(): global snake_dir if snake_dir != "down": snake_dir = "up" def go_right(): global snake_dir if snake_dir != "left": snake_dir = "right" def go_down(): global snake_dir if snake_dir != "up": snake_dir = "down" def go_left(): global snake_dir if snake_dir != "right": snake_dir = "left" screen = turtle.Screen() screen.setup(w, h) screen.title("Snake Game") screen.bgcolor("cyan") screen.setup(500, 500) screen.tracer(0) pen = turtle.Turtle("square") pen.color("red") pen.penup() food = turtle.Turtle() food.shape("circle") food.color("orange") food.shapesize(food_size / 20) food.penup() screen.listen() screen.onkey(go_up, "Up") screen.onkey(go_right, "Right") screen.onkey(go_down, "Down") screen.onkey(go_left, "Left") reset() turtle.done()
on my first year's Python Project
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