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为何Actor中的Movable光源会有Preview的浮水印

大家好:
小弟我在练习做个灯号的时候发现了如图的情况(有个P字)请问我该如何调整?
谢谢!
alt text

Product Version: UE 4.21
Tags:
problem02.png (1.2 MB)
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asked Nov 24 '18 at 01:56 PM in Chinese

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Shooter2062424
1 1 3

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1 answer: sort voted first

你好,可以把你的重现步骤说一下吗?我这里无法重现您说的问题。 一般情况下出现Preview是说明您的场景需要重新Build一下光照。

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answered Nov 27 '18 at 02:39 AM

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Feng.Li STAFF
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avatar image Shooter2062424 Nov 29 '18 at 12:57 PM

您好 Feng.Li :
我使用的是UE4.21(目前的新版)
抱歉这么晚才上来看,我自己发生此状况的操作流程是
1.创建BP Actor
2.在场景中拉入point light 两个cube(灯源与cube都是movable)
3.将cube缩放至类似墙壁的样式
4.被隔住的cube会有preview浮水印
alt text alt text thanks!

avatar image Feng.Li STAFF Nov 29 '18 at 04:03 PM

是这样吗?我这里版本是4.21,登录器下载的版本。没有出现preview字样呀? alt text

capture.png (583.6 kB)
avatar image Feng.Li STAFF Nov 29 '18 at 04:06 PM

我只有将灯光调为static才会出现preview字样。你确定你的灯光是Moveable吗?

avatar image Shooter2062424 Nov 29 '18 at 09:16 PM

您好 Feng.Li:
很感谢您的回复
我是使用EpicLauncher下载的UE4.21.0版
我是想来制作个红绿灯的模拟所以在尝试较为强烈的光源
我的光源设置
PointLight
Movable
Intensity Units : Candelas
Intensity : 100
alt text thanks

avatar image Feng.Li STAFF Nov 30 '18 at 02:54 AM

你是如何在蓝图中添加你的PointLight的?我这边始终无法重现你的问题,建议你把项目上传,我这边打开看看是否问题依旧。也方便帮你查看问题出在哪里。

avatar image Shooter2062424 Dec 01 '18 at 01:53 PM

您好 Feng.Li :
我是将PointLight由UE4主接口拖曳到Actor昨边的物件栏的
alt text
另外我做了些尝试,光源远离两面墙浮水印会逐渐消失,反之则会产生新的浮水印
alt text
alt text

avatar image Feng.Li STAFF Dec 01 '18 at 05:25 PM

如果你使用蓝图编辑器中左上角绿色的AddComponent按钮来添加PointLight呢?

avatar image Shooter2062424 Dec 03 '18 at 11:05 AM

您好 Feng.Li :
太神奇了 使用您提到的添加方式后就没有Preview的问题!!
不过这两个光源一个是ChildActorComponent另外一个是正常pointLight不确定这两个对光源的影响为何?
*原pointLight已将其Intensity调为0 alt text

avatar image Feng.Li STAFF Dec 05 '18 at 04:23 PM

因为以你的方式添加进蓝图是个ChildActorComponent,你改动的Mobility是actor而不是灯光组件的。

avatar image Shooter2062424 Dec 06 '18 at 05:08 PM

您好 Feng.Li:
我现在有点疑惑的是
1.ChildActorComponent物件假如带有Light组件的话可以当作是继承这个功能?
2.ChildActorComponent的物件就会没办法正确更改其Mobility?
谢谢
*离题的话可以再开一篇讨论 有没有这方面的文件可供参考(关于Actor嵌入Actor中)

avatar image Feng.Li STAFF Dec 07 '18 at 05:08 AM

单独开贴吧,因为每一个帖子对文件(图片)上传都有上限。

avatar image Shooter2062424 Dec 07 '18 at 09:33 AM

您好 Feng.Li : 特别感谢! 我再整理一下问题再来求教 thx

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