72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
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from PySide6.QtCore import (QPropertyAnimation, QSequentialAnimationGroup,
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QParallelAnimationGroup, QPoint, QEasingCurve)
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from PySide6.QtWidgets import QGraphicsOpacityEffect
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class LogoAnimations:
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def __init__(self, ui):
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self.ui = ui
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self.logos = [
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ui.vol1bg, ui.vol2bg, ui.vol3bg,
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ui.vol4bg, ui.afterbg
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]
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self.animation_group = None
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def initialize(self):
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"""初始化所有logo的状态（透明且位于屏幕外）"""
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for logo in self.logos:
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# 保存原始位置
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logo.original_pos = logo.pos()
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# 设置透明度效果
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opacity_effect = QGraphicsOpacityEffect(logo)
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logo.setGraphicsEffect(opacity_effect)
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opacity_effect.setOpacity(0)
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# 移动到屏幕左侧外
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logo.move(-logo.width(), logo.y())
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def create_animation_sequence(self):
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"""创建顺序动画序列"""
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self.animation_group = QSequentialAnimationGroup()
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# 为每个logo创建动画（延迟递增）
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delays = [0, 50, 100, 150, 200] # 每个动画的延迟时间(ms)
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for i, logo in enumerate(self.logos):
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# 创建并行动画组（位置+透明度）
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parallel_group = QParallelAnimationGroup()
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# 位置动画（从左侧滑入）
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pos_anim = QPropertyAnimation(logo, b"pos")
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pos_anim.setDuration(800)
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pos_anim.setStartValue(QPoint(-logo.width(), logo.y()))
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pos_anim.setEndValue(logo.original_pos)
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pos_anim.setEasingCurve(QEasingCurve.OutBack)
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# 透明度动画（淡入）
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opacity_anim = QPropertyAnimation(logo.graphicsEffect(), b"opacity")
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opacity_anim.setDuration(800)
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opacity_anim.setStartValue(0)
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opacity_anim.setEndValue(1)
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parallel_group.addAnimation(pos_anim)
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parallel_group.addAnimation(opacity_anim)
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# 添加延迟（使动画按顺序触发）
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if delays[i] > 0:
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delay_anim = QPropertyAnimation(logo, b"pos")
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delay_anim.setDuration(delays[i])
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self.animation_group.addAnimation(delay_anim)
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self.animation_group.addAnimation(parallel_group)
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return self.animation_group
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def start_animation(self):
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"""启动动画序列"""
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self.initialize()
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self.create_animation_sequence()
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self.animation_group.start()
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def stop_animation(self):
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"""停止动画"""
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if self.animation_group:
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self.animation_group.stop()
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