UE4 Reflection Captures - How-to Use

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In this video we cover how to place & use reflection captures in Unreal Engine 4.
00:00 - Intro
00:16 - Which reflection capture to use?
02:56 - Planar Reflections
04:03 - Box Reflections
06:48 - Project Reflection Capture Size Setting
08:52 - Sphere Reflection Captures
10:36 - When & Where to place Reflection Captures
14:10 - Placement Recap & Summary
16:12 - Precision Reflection Captures
19:22 - Final Settings & Recap
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Опубликовано:

23 июл 2024

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Комментарии : 64

@xxphantom93xx61 2 года назад

Thank you man, you are the perfect example of person that can really teach something to other people!

@TorQueMoD 2 года назад

This is such a great technical overview of the reflection captures. I had no idea really how they worked, so I always just dropped a bunch in with the default settings at eye level. That's about the only thing I knew before watching this video :) Also, the capture offset could be really helpful if you want to ensure that it's exactly the player's height at all times when the ground level isn't always the same. Drop them on the floor and then just set the offset to 168 and then you don't have to worry about tweaking them on stairs or ramps etc.

@aleksandratraczyk8440 3 года назад

Nice to have you back! Great explanation, looking forward to see next videos :)

@dylanroemmele906 3 года назад

These videos are top-notch content. Keep it up!

@fhajji Год назад

Thank you Ryan. Finally understanding what Reflection Captures _actually_ do! Much appreciated.

@georges8408 3 года назад

Best teacher ever... Thank you so much!

@SerafinGrivel 2 года назад

Thank you so much! This was so helpful for me as a beginner

@frankie3351 2 года назад

killin it Ryan! I've learned a lot from your videos dude thank you

@michaelmonte3239 2 года назад

Thanks a lot, my friends! You have helped a lot.

@warampanpengya3644 2 года назад

Thank you I really learned a lot from this !!!

@danielrugu 2 года назад

excellent explanation and content thank you.

@kazbu3162 2 года назад

Very useful! Thanks!

@thepreecher8755 Год назад

great tutorial greatly presented...thanks

@RomasNoreika 3 года назад

Thanks a lot Ryan - very good explanation ;)

@hallo-welt 23 дня назад

Thank you so much! :)

@kyriakosgerostathis423 3 года назад

thanks for the video

@RaviTomar__ 2 года назад

U r awesome dude!! 👌

@lebenin3604 3 года назад

Thank you. Really appreciated. #UnrealEngine

@pranildeshmukh7209 3 года назад

You are life saver Ryan. Quality content❤️👏. Keep up the work man..

@shutnawi6635 2 года назад

you speak like a million bucks, who are you??? you have a certain type of charisma on you like you've been in the business for 40 years. great explanation, thank you.

@findyhutasoit5015 2 года назад

Thank you Ryan. Great tutorial!!! Just wondering if you or anyone else has an idea why the reflections of two chrome spheres which are facing each other are showing up in my scene opaque? One would expect that inside the reflection of one of the spheres you could see a sphere which is reflecting the environment and not an opaque sphere. Any help or suggestions to fix this would be greatly appreciated!!!!!

@MrDyzi0 3 года назад

Heey, you're back!

@ThatRyanManning 3 года назад

2021's been a challenge :)

@egey. 2 года назад

Hello, thank you for the tutorial and i hope its not a silly question but how did you split your viewport to 3 parts and how 2 perspective windows can be independent? Thank you

@ThatRyanManning 2 года назад

Not a silly question! Click the upper right square in your viewport to access the 4 panes. You can also click the upper left drop down in your viewport and under layouts, select other configurations.

@stevenbennis5289 Год назад

I love how he just pops in a reflection capture and it immediately starts projecting onto glass... meanwhile that doesn't help my problem, which is that even though it's in the scene, nothing happens, even after building the reflection captures. I always have to resort to Specified cubemap which is not a good solution for all situations...

@SaynYT Год назад

Usually I've been using screen space reflexions but I've wanted to try out something different. The problem is,sphere reflexions or cube reflexions don't seem to work properly. In the video you drag a sphere reflexion into the scene,build it and boom you have nice reflexions in the scene. If I do that I can barely notice the reflexions,everything has a really dark blue tone and the only way to notice the reflexions is to look very very closely. Any idea on what I'm doing wrong?

@ongakuwo 2 года назад

Thank you! I have a little question. Im using right now a sphere ref cap onj a sphere, i added a material that has metallic but also opacity and refraction, whenever the sphere ref cap is in my scene close to my sphere the material looks soo dark as if the sphere is giving shadow, but the opacity is visible. Is this one of those exception where you dont use ref capture?

@ThatRyanManning 2 года назад

Would have to see more to understand, but sounds like your reflection capture is capturing dark areas and reprojecting it back on your materials.

@jonusiak5123 3 года назад

Awesome! May I ask, how would you use the lit>Reflections mode efficiently? Is that just to show you which objects have reflected surfaces? I always wonder since even Matte surfaces show the same reflection strength, if that makes sense? Thank you! Great stuff!!

@ThatRyanManning 3 года назад

Honestly...I rarelyt ever use that debug mode. It just makes everything shiny, so not a lot of useful information TBH.

@jonusiak5123 3 года назад

@@ThatRyanManning awesome..good to know! Very very useful info! Subscribed a few weeks ago since a coworker of mine recommend you for lighting! I did comment in another video you made a while ago. Was curious if you could at some point make a demo explaining uses of various nodes and why you would use them. Such as multiply, divide, add, lerps and much of the common nodes. (As a teacher of 3d art myself) I even get confused sometimes of which to use when. Sometimes I scratch my head because I hooked up something incorrectly.

@ThatRyanManning 3 года назад

You may want to check out Matthew Wadstein's channel. He has a WTF series that breaks down all the nodes individually: ru-vid.com/show-UCOVfF7PfLbRdVEm0hONTrNQ

@acsomiT 2 года назад

Great pedagocical video. You should be a teacher!

@octaviosilva5808 3 года назад

One question Ryan : (17:21)What if i use box reflection capture. Will it fix that optical distortion effect?

@ThatRyanManning 3 года назад

That it would! :)

@Chilliey Год назад

Hi Ryan, so would it then be correct to say that with ray tracing on, I wouldn't need these reflection capturing in my scene then?

@ThatRyanManning Год назад

Yes. This is technically true if you're purely using Raytracing.

@Chilliey Год назад

@@ThatRyanManning I see, thanks for clarifying!

@brunoe5663 2 года назад

After investigating on why my reflection capture actors had absolutely no effect on reflections (placing and moving them around) I found that ,in order to have reflections capture actors working you have to place a BP_Sky_Sphere in your scene. Also, it doesn't seem to work if you placed an HDRI with the plugin "HDRI backdrop" .

@ThatRyanManning 2 года назад

This isn't correct. Neither of those are required to make reflection captures work. Did you rebuild your reflection captures after placing them?

@emarinm1 2 года назад

Hello. And why not just allow the crystal to have its natural properties? Cheers

@DavesChaoticBrain 2 года назад

Great info, thanks! Except, the results are extremely wrong. Even in the original project reflections are all wrong. Is it supposed to be possible to make even relatively accurate reflections, or to just reflect *something* and hope the player doesn't look too closely?

@enigmaticcat7915 2 года назад

Hi! I don't know if you'll see this comment, but I was wondering why my reflection capture is turning up pitch dark despite having a fully lit scene? This is after building. Thanks! :)

@ThatRyanManning 2 года назад

Try rebuilding your reflection captures.

@user-vj7bh5rn8h 2 года назад

hi，I hve a problem,when I click play , all reflection disappeared

@louisec6431 Год назад

- If you're using raytracing, you don't need to use refection captures - Reflection Captures are good for performance improvement - Reflection Captures could be overlapped, you can put the reflection capture at a specific place that you want to have an accurate reflection result

@curtisnewton895 2 года назад

why not attach the capture to the character ?

@ThatRyanManning 2 года назад

Reflection Captures don't update in real time by default.

@AaronZhai 3 года назад

@aaayerus 3 года назад

Why not just leave the box reflexion captures? They seem more accurate in this scene.

@ThatRyanManning 3 года назад

Absolutely use a box capture! Box Captures and Sphere captures have similar settings. Since sphere reflection captures are the most common, I chose to focus in on placing sphere reflection captures as opposed to Box Captures so you would have the principles of using them. But in this situation, since the subway walls are mostly straight...go for a Box Capture.

@f41514 2 года назад

Important Step : Turn off the Forward Shading from Project setting/Redering.

@ThatRyanManning 2 года назад

FYI. Bad advice. Forward shading is used in certain situations but using it will disable several rendering passes from Deferred Shading and should only be used when necessary.

@f41514 2 года назад

@@ThatRyanManning This demo is turn off the Forward Shading, I was followed your video step by step but RC still not working until I disable the Forward Shading it work. I'm not sure why.

@ThatRyanManning 2 года назад

@@f41514 I gotcha. Forward shading is advised when using planar reflections, but in general Deferred Rending produces the best visuals.

@schmoborama 4 месяца назад

Noooooo you don't place the captures at the character's view height. It only worked here b/c it's the same as the window's height, which is what you really want. If you want a window to reflect what it "sees", then you have to put the capture *right at the window*. Then the parallaxing of the bench reflection will disappear, and you won't get those inaccurate distortions. Imagine if the character leans on the window sill looking out - the reflection would have the back of his head in it. This is probably old-school game production where you couldn't use as many as you wanted.

@2010Edgars 3 года назад

Not work.

@ThatRyanManning 2 года назад

How not work?

@ArcaneTurbulence 2 года назад

Pretend for a minute that we don't know anything about RC's and start there... That's the case for many of us.... In other words.. Explain what it is, in plain ENGLISH at the start.

@ThatRyanManning 2 года назад

1:15 this is exactly where I explain reflection captures. For my own knowledge, was the explanation not clear enough for you? What are you not getting that I can help further explain?

@ArcaneTurbulence 2 года назад

@@ThatRyanManning Sorry, let me break it down. Your video is the very first source of information that popped up when I googled the node. While you're technically correct in everything you say, it's not that descriptive when you're completely new. For instance, "screen space reflection" You'd think that (what it is) would be inferred by the name... However it's not. A 'to the point' description would be something like: "A reflection capture, is a point of lit space that will be reflected onto a mirror-like surface.". start at 1:08 and listen to what you say. lol ... When you're brand new, "screen space reflection" sounds like it should be something that has to do with the screen. Some kind of ambient effect, etc. That was my very first impression. With that impression, I was lost during your initial explanation. I didn't actually begin to understand what it is until 1:50.. I dunno, Maybe I'm just stupid, or over-complicating unreal.. I've been cramming this stuff nonstop for 14 hours now..... Just ignore me, I need sleep.. lol

@ThatRyanManning 2 года назад

@@ArcaneTurbulence thanks for the insight. It's always a trade off trying to be thorough but not overly explanatory.

@ArcaneTurbulence 2 года назад

@@ThatRyanManning No problem. Sorry If I came off prickly. It's rough when your just scratching the surface. lol