pygame/particles.py

import pygame
from support import import_folder
from random import choice

class AnimationPlayer:
	def __init__(self):
		self.frames = {
			# 魔法效果
			# 导入火焰动画帧
			'flame': import_folder('../graphics/particles/flame/frames'),
			# 导入光环动画
			'aura': import_folder('../graphics/particles/aura'),
			# 导入治疗动画帧
			'heal': import_folder('../graphics/particles/heal/frames'),

			# 攻击效果
			# 导入爪击动画
			'claw': import_folder('../graphics/particles/claw'),
			# 导入斩击动画
			'slash': import_folder('../graphics/particles/slash'),
			# 导入闪光动画
			'sparkle': import_folder('../graphics/particles/sparkle'),
			# 导入叶子攻击动画
			'leaf_attack': import_folder('../graphics/particles/leaf_attack'),
			# 导入雷电动画
			'thunder': import_folder('../graphics/particles/thunder'),

			# 怪物死亡效果
			# 导入乌贼死亡效果动画
			'squid': import_folder('../graphics/particles/smoke_orange'),
			# 导入浣熊死亡效果动画
			'raccoon': import_folder('../graphics/particles/raccoon'),
			# 导入幽灵死亡效果动画
			'spirit': import_folder('../graphics/particles/nova'),
			# 导入竹子死亡效果动画
			'bamboo': import_folder('../graphics/particles/bamboo'),
			
			# 叶子效果
			'leaf': (
				# 导入叶子动画帧
				import_folder('../graphics/particles/leaf1'),
				import_folder('../graphics/particles/leaf2'),
				import_folder('../graphics/particles/leaf3'),
				import_folder('../graphics/particles/leaf4'),
				import_folder('../graphics/particles/leaf5'),
				import_folder('../graphics/particles/leaf6'),
				# 反射叶子动画帧
				self.reflect_images(import_folder('../graphics/particles/leaf1')),
				self.reflect_images(import_folder('../graphics/particles/leaf2')),
				self.reflect_images(import_folder('../graphics/particles/leaf3')),
				self.reflect_images(import_folder('../graphics/particles/leaf4')),
				self.reflect_images(import_folder('../graphics/particles/leaf5')),
				self.reflect_images(import_folder('../graphics/particles/leaf6'))
				)
			}
	
	def reflect_images(self,frames):
		# 创建一个新的空列表来存储翻转后的图像帧
		new_frames = []
		# 对输入的每个图像帧进行处理
		for frame in frames:
			# 使用pygame.transform.flip函数进行水平翻转
	 		flipped_frame = pygame.transform.flip(frame,True,False)
			# 将翻转后的帧添加到新的列表中
	 		new_frames.append(flipped_frame)
		# 返回翻转后的图像帧列表
		return new_frames

	def create_grass_particles(self,pos,groups):
		# 从'leaf'类型的动画帧中随机选择一个动画帧序列
	 	animation_frames = choice(self.frames['leaf'])
		# 创建一个ParticleEffect对象，使用选择的动画帧序列和指定位置
	 	ParticleEffect(pos,animation_frames,groups)

	def create_particles(self,animation_type,pos,groups):
		# 根据指定的动画类型从self.frames中获取相应的动画帧序列
		animation_frames = self.frames[animation_type]
		# 创建一个ParticleEffect对象，使用指定的动画帧序列和位置，并将其添加到指定的精灵组中
		ParticleEffect(pos,animation_frames,groups)


class ParticleEffect(pygame.sprite.Sprite):
	def __init__(self,pos,animation_frames,groups):
		super().__init__(groups)
		# 粒子类型为'magic'
		self.sprite_type = 'magic'
		# 当前帧的索引
		self.frame_index = 0
		# 动画播放速度
		self.animation_speed = 0.15
		# 粒子效果的动画帧序列
		self.frames = animation_frames
		# 当前显示的图像帧
		self.image = self.frames[self.frame_index]
		# 图像帧的矩形边界
		self.rect = self.image.get_rect(center = pos)

	def animate(self):
		# 更新帧索引以播放动画
		self.frame_index += self.animation_speed
		# 如果帧索引超过了动画帧序列的长度，则销毁粒子效果
		if self.frame_index >= len(self.frames):
			self.kill()
		# 否则，更新当前显示的图像帧
		else:
			self.image = self.frames[int(self.frame_index)]

	def update(self):
		# 调用animate方法更新粒子效果的动画
		self.animate()