Hungry Caterpillar Game in Python.zip饥饿的毛毛虫游戏Python源码

import turtle as t import random as rd t.bgcolor('lightgreen') caterpillar = t.Turtle() caterpillar.shape('square') caterpillar.color('red') caterpillar.speed(0) caterpillar.penup() caterpillar.hideturtle() leaf = t.Turtle() leaf_shape = ((0,0),(14,2),(18,6),(20,20),(6,18),(2,14)) t.register_shape('leaf',leaf_shape) leaf.shape('leaf') leaf.color('green') leaf.penup() leaf.hideturtle() leaf.speed() game_started = False text_turtle = t.Turtle() text_turtle.write('Press SPACE to start',align='center',font=('Arial',16,'bold')) text_turtle.hideturtle() score_turtle = t.Turtle() score_turtle.hideturtle() score_turtle.speed(0) def outside_window(): left_wall = -t.window_width()/2 right_wall = t.window_width()/2 top_wall = t.window_height()/2 bottom_wall = -t.window_height()/2 (x,y) = caterpillar.pos() outside = x < left_wall or x > right_wall or y < bottom_wall or y > top_wall return outside def game_over(): caterpillar.color('yellow') leaf.color('yellow') t.penup() t.hideturtle() t.write('GAME OVER!',align='center' , font=('Aerial',30,'normal')) def display_score(current_score): score_turtle.clear() score_turtle.penup() x = (t.window_width() / 2)-50 y = (t.window_height() / 2)-50 score_turtle.setpos(x,y) score_turtle.write(str(current_score) , align = 'right',font=('Arial',40,'bold')) def place_leaf(): leaf.hideturtle() leaf.setx(rd.randint(-200,200)) leaf.sety(rd.randint(-200,200)) leaf.showturtle() def start_game(): global game_started if game_started: return game_started = True score = 0 text_turtle.clear() caterpillar_speed = 2 caterpillar_length = 3 caterpillar.shapesize(1,caterpillar_length,1) caterpillar.showturtle() display_score(score) place_leaf() while True: caterpillar.forward(caterpillar_speed) if caterpillar.distance(leaf)<20: place_leaf() caterpillar_length = caterpillar_length + 1 caterpillar.shapesize(1,caterpillar_length,1) caterpillar_speed = caterpillar_speed + 1 score = score + 10 display_score(score) if outside_window(): game_over() break def move_up(): if caterpillar.heading() == 0 or caterpillar.heading() == 180: caterpillar.setheading(90) def move_down(): if caterpillar.heading() == 0 or caterpillar.heading() == 180: caterpillar.setheading(270) def move_left(): if caterpillar.heading() == 90 or caterpillar.heading() == 270: caterpillar.setheading(180) def move_right(): if caterpillar.heading() == 90 or caterpillar.heading() == 270: caterpillar.setheading(0) t.onkey(start_game,'space') t.onkey(move_up,'Up') t.onkey(move_right,'Right') t.onkey(move_down,'Down') t.onkey(move_left,'Left') t.listen() t.mainloop() # Coded with ���� by Mr. Unity Buddy