[Unity 组件参考手册]组件：图像特效脚本之运动模糊图像特效

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Motion Blur image effect enhances fast-moving scenes by leaving "motion trails" of previously rendered frames.运动模糊图像特效通过将"运动轨迹"上之前渲染帧的图像保留下来来增强场景快速运动的感觉。Like all image effects, Motion Blur is only available in Unity Pro. Make sure to have the Pro Standard Assets installed.和其他图像特效一样，该特效只能在Unity Pro上进行使用，并且在使用之前必须安装Pro Standard Assets。
Motion Blur effect applied to the rotating scene 应用于旋转场景的模糊特效    Blur Amount 模糊量
    How much of the previous frames to leave in the image. Higher values make longer motion trails.
    表示之前有多少帧可以留在目前图像中，值越高运动轨迹越长
    Extra Blur 额外模糊
    If checked, this makes motion trails more blurry, by applying some extra blur to previous frames.
    如果被选择上，就会在之前帧上应用更多的模糊，从而使运动轨迹更加模糊  [Tips: 提示]    Motion Blur only works while in play mode because it's time based.
    运动模糊只能在运行模式下进行工作，因为它是基于时间工作的。  [Hardware support 硬件支持]Motion Blur effect works all graphics cards that support rendering to a texture. E.g. GeForce2, Radeon 7000 and up. All image effects automatically disable themselves when they can not&nbsp***n on an end-users graphics card.运动模糊特效需要显卡支持渲染到纹理技术，比如GeForce2, Radeon 7000等以上等级显卡。所有图像特效如果无法在用户显卡上运行时将会自动被关闭。【来源：互联网】
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