new FdSnowRain()
生成雨雪特效
Methods
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    <static> createFog(viewer)
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    创建雾 Parameters:Name Type Description viewerFreedo.Viewer 视景器 
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    <static> createOvercast(viewer)
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    创建阴 Parameters:Name Type Description viewerFreedo.Viewer 视景器 
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    <static> createRain(viewer)
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    创建雨 Parameters:Name Type Description viewerFreedo.Viewer 视景器 
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    <static> createSmallSnow(viewer)
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    创建小雪 Parameters:Name Type Description viewerFreedo.Viewer 视景器 
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    <static> createSnow(viewer)
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    创建雪 Parameters:Name Type Description viewerFreedo.Viewer 视景器 
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    <static> removeFog(viewer)
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    清除雾 Parameters:Name Type Description viewerFreedo.Viewer 视景器 
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    <static> removeOvercast(viewer)
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    清除阴 Parameters:Name Type Description viewerFreedo.Viewer 视景器 
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    <static> removeRain(viewer)
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    清除雨 Parameters:Name Type Description viewerFreedo.Viewer 视景器 
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    <static> removeSmallSnow(viewer)
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    清除小雪 Parameters:Name Type Description viewerFreedo.Viewer 视景器 
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    <static> removeSnow(viewer)
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    清除雪 Parameters:Name Type Description viewerFreedo.Viewer 视景器