Python turtle贪吃蛇游戏

向右看齐 2023-10-04 16:07 12阅读 0赞

# Simple Snake Game in Python 3 for Beginners
    
    
    import turtle
    import time
    import random
    
    delay = 0.1
    
    # Score
    score = 0
    high_score = 0
    
    # Set up the screen
    wn = turtle.Screen()
    wn.title("Snake Game by @TokyoEdTech")
    wn.bgcolor("green")
    wn.setup(width=600, height=600)
    wn.tracer(0)  # Turns off the screen updates
    
    # Snake head
    head = turtle.Turtle()
    head.speed(0)
    head.shape("square")
    head.color("black")
    head.penup()
    head.goto(0, 0)
    head.direction = "stop"
    
    # Snake food
    food = turtle.Turtle()
    food.speed(0)
    food.shape("circle")
    food.color("red")
    food.penup()
    food.goto(0, 100)
    
    segments = []
    
    # Pen
    pen = turtle.Turtle()
    pen.speed(0)
    pen.shape("square")
    pen.color("white")
    pen.penup()
    pen.hideturtle()
    pen.goto(0, 260)
    pen.write("Score: 0  High Score: 0", align="center",
              font=("Courier", 24, "normal"))
    
    # Functions
    
    
    def go_up():
        if head.direction != "down":
            head.direction = "up"
    
    
    def go_down():
        if head.direction != "up":
            head.direction = "down"
    
    
    def go_left():
        if head.direction != "right":
            head.direction = "left"
    
    
    def go_right():
        if head.direction != "left":
            head.direction = "right"
    
    
    def move():
        if head.direction == "up":
            y = head.ycor()
            head.sety(y + 20)
    
        if head.direction == "down":
            y = head.ycor()
            head.sety(y - 20)
    
        if head.direction == "left":
            x = head.xcor()
            head.setx(x - 20)
    
        if head.direction == "right":
            x = head.xcor()
            head.setx(x + 20)
    
    
    # Keyboard bindings
    wn.listen()
    wn.onkeypress(go_up, "Up")
    wn.onkeypress(go_down, "Down")
    wn.onkeypress(go_left, "Left")
    wn.onkeypress(go_right, "Right")
    
    # Main game loop
    while True:
        wn.update()
    
        # Check for a collision with the border
        if head.xcor() > 290 or head.xcor() < -290 or head.ycor() > 290 or head.ycor() < -290:
            time.sleep(1)
            head.goto(0, 0)
            head.direction = "stop"
    
            # Hide the segments
            for segment in segments:
                segment.goto(1000, 1000)
    
            # Clear the segments list
            segments.clear()
    
            # Reset the score
            score = 0
    
            # Reset the delay
            delay = 0.1
    
            pen.clear()
            pen.write("Score: {}  High Score: {}".format(score, high_score),
                      align="center", font=("Courier", 24, "normal"))
    
        # Check for a collision with the food
        if head.distance(food) < 20:
            # Move the food to a random spot
            x = random.randint(-290, 290)
            y = random.randint(-290, 290)
            food.goto(x, y)
    
            # Add a segment
            new_segment = turtle.Turtle()
            new_segment.speed(0)
            new_segment.shape("square")
            new_segment.color("grey")
            new_segment.penup()
            segments.append(new_segment)
    
            # Shorten the delay
            delay -= 0.001
    
            # Increase the score
            score += 10
    
            if score > high_score:
                high_score = score
    
            pen.clear()
            pen.write("Score: {}  High Score: {}".format(score, high_score),
                      align="center", font=("Courier", 24, "normal"))
    
        # Move the end segments first in reverse order
        for index in range(len(segments)-1, 0, -1):
            x = segments[index-1].xcor()
            y = segments[index-1].ycor()
            segments[index].goto(x, y)
    
        # Move segment 0 to where the head is
        if len(segments) > 0:
            x = head.xcor()
            y = head.ycor()
            segments[0].goto(x, y)
    
        move()
    
        # Check for head collision with the body segments
        for segment in segments:
            if segment.distance(head) < 20:
                time.sleep(1)
                head.goto(0, 0)
                head.direction = "stop"
    
                # Hide the segments
                for segment in segments:
                    segment.goto(1000, 1000)
    
                # Clear the segments list
                segments.clear()
    
                # Reset the score
                score = 0
    
                # Reset the delay
                delay = 0.1
    
                # Update the score display
                pen.clear()
                pen.write("Score: {}  High Score: {}".format(
                    score, high_score), align="center", font=("Courier", 24, "normal"))
    
        time.sleep(delay)
    
    wn.mainloop()

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