"""仙女采红心.py 用鼠标操作一个仙女去收集红心的简易小游戏 """
import random
import arcade
import os
# --- Constants ---
SPRITE_SCALING_PLAYER = 0.5
SPRITE_SCALING_heart = 0.2
HEART_COUNT = 50
SCREEN_WIDTH = 800
SCREEN_HEIGHT = 600
class MyGame(arcade.Window):
""" 继承自arcade窗口类"""
def __init__(self):
""" 初始化方法，先调用父类的初始化方法 """
super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, "仙女采红心")
self.player_list = None # 定义玩家列表
self.heart_list = None # 定义红心列表
self.player_sprite = None # 定义玩家角色
self.score = 0
self.set_mouse_visible(False)# 隐藏鼠标指针
arcade.set_background_color(arcade.color.AMAZON) # 设置背景颜色
def setup(self):
""" 设置游戏各个属性值 """
self.player_list = arcade.SpriteList() # 创建玩家列表
self.heart_list = arcade.SpriteList() # 创建红心列表
# Score
self.score = 0
self.player_sprite = arcade.Sprite("princess.png", SPRITE_SCALING_PLAYER) # 生成角色实例
self.player_sprite.center_x = 50 # 设定角色x中心坐标
self.player_sprite.center_y = 50 # 设定角色y中心坐标
self.player_list.append(self.player_sprite)# 添加到角色列表
for i in range(HEART_COUNT): # 生成一些红心
heart = arcade.Sprite("heart red.png", SPRITE_SCALING_heart)
heart.center_x = random.randrange(SCREEN_WIDTH) # 红心x坐标
heart.center_y = random.randrange(SCREEN_HEIGHT)# 红心y坐标
self.heart_list.append(heart)
def on_draw(self):
""" 画红心们和角色"""
arcade.start_render()
self.heart_list.draw()
self.player_list.draw()
output = f"Score: {self.score}" # 准备写文本
arcade.draw_text(output, 10, 20, arcade.color.WHITE, 14)
def on_mouse_motion(self, x, y, dx, dy):
""" 处理鼠标移动事件x,y是鼠标的坐标 """
self.player_sprite.center_x = x
self.player_sprite.center_y = y
def update(self, delta_time):
""" 移动角色等游戏逻辑 """
self.heart_list.update()
# 玩家角色和红心们的碰撞检测，返回碰到的红心列表
hearts_hit_list = arcade.check_for_collision_with_list(self.player_sprite, self.heart_list)
# 把碰到的红心都杀掉，并加分
for heart in hearts_hit_list:
heart.kill()
self.score += 1
def main():
""" 主要的main方法"""
window = MyGame()
window.setup()
arcade.run()
if __name__ == "__main__":
main()
