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Hello and welcome back everyone to Stylish Environment with Blender 4 in
Geometry Node.
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In the last lesson we left ourselves off with a nice setup for Ambient Occlusion
that highlights
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the overall composition and refines some of those shapes out of this setup.
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Now we're going to go ahead and get even more detail, extra detail, especially
making use
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out of the lantern setup over here to get a bit of a glaring effect to make sure
that
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it looks like it's actually being lit up in regards to this entire setup for the
lantern.
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So for us to do that we're going to make use out of something called, let me
have a look,
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Emission.
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So this is the color information that we're looking for.
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We're just going to basically make use out of it to give us a glaring effect.
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For us to do that, I'm going to actually just move this out of the way a little
bit so it wouldn't be as confusing.
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For us to do that, we're going to just drag this on from Emission, like so, and
we're going to search for something called Glare.
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So Glare, if we just keep it as default, we can click CTRL-SHIFT and tap over
here, we can see that this is the effect we're getting.
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So already it's looking quite nice, but this is not the type of a setup that
we're looking for.
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What we're looking for is something called, if we look at the options that we
have, something called Fog Glow.
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Fog Glow will allow us to give us that soft lighting and nice setup, like so.
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So already it's going to give us just a good look for the glare effect.
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If we were to increase the mix, we can see what it gives us. Basically the mix
just makes up the original one.
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And the effect, so...
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the extreme values are quite a bit too much. If we were to keep this at 0.1, the
default value,
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it should be looking quite nice. The threshold is going to be, basically,
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affecting how much of brightness affects the glare. So, for example, how much
emissiveness
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is affecting it. If something is more emissive, we can, for example, target that
particular part to
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make use out of the glare effect. And if something is not emissive enough,
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the threshold will simply ignore it. So, for this reason, we're going to set it
up to 0,
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because we want both of these glows, both the fountain a little bit, the water,
that is,
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and the lantern to be glowing slightly with their emissions. We can also
increase the size,
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which will basically show us how much it is overall affecting it, which is quite
nice.
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And what's nice about this is that we can actually just simply...
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Scroll down a little bit. We can make a duplicate out of this glare and that
would simply amplify
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the overall result. So for us to click shift and d and make a duplicate and just
simply
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put it back onto this setup, we can get just a much much better effect. Although
we can do that
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same thing with the size, sometimes I prefer to just multiply it over like so
and that just
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amplifies the overall effect quite nicely and quite simply works really well. So
now that we
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have ourselves a nice glare, let's go ahead and actually add it onto our setup
and that is
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literally we're going to be adding it onto the image by using a again something
called mix color
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like so. Then from the already set up ambient occlusion we're going to add in
onto the image
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like so and then selecting from instead of mix adding the color. So this will
basically add the
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values.
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Basically everything that's bright is going to brighten up even more
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and all of those values are going to be added in the areas where it's black.
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So it's just going to add a value of zero, which is
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black basically in regards to the RGB values.
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So it's not going to affect anything that's black, but those areas over here
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is just going to amplify the overall setup.
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Let me show you how exactly it looks like actually by just adding this image
over here
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clicking CTRL and SHIFT and tapping on the node and there we go.
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We can see that it's a nice, nice glare.
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Maybe it's a little bit too much so we can just lower this down
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and we can see how it looks like with a smaller amount.
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I can even set this to zero and that's going to give us a none.
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But if I increase it, I can get a nice bit of a glare.
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Set this value to a 0.7 value.
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It's going to give us a nice soft type of a glow, which I'm quite keen on.
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And I quite like it.
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And now we can actually start thinking about the background itself.
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If you notice, well, if we look at the image, we have a completely black
background.
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The reason being is that we've not had anything added to the background itself.
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And I think, yeah, the viewer itself is using alpha by default.
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If we were to untick this alpha, use alpha, it should give us a different
result.
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But it's not giving us a different result.
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So I'm not sure why. Either way, we need to go ahead and fix that.
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We need to change what's inside of this background.
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So let's go ahead and go on to our resource pack.
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This time we're going to actually go on to the folder itself.
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Something called compositor background.
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And there is a very nice image.
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What I'm going to do is just I'm going to locate it within this folder over
here.
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And I can simply...
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Actually the easiest way would be for me to just...
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If I have a folder open I can click and hold and then drag it onto the
compositor
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and that's going to just bring the node with that image inside.
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And just like that we're going to get ourselves this background image.
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And all we need to do now is set ourselves up with it.
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If we were to click CTRL-SHIFT and just tap on the screen that's how it's going
to look like.
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And we can also now go ahead and simply
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add it within our setup using something called...
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If I were to search for something called Alpha Over
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Alpha Over will allow us to just simply add this onto our image.
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So the default image that we had was over here.
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And this is the final result that we currently have.
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Let's go ahead and add this onto the image at the bottom basically.
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And the one at the top is actually going to be...
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Well let's go ahead and see how it looks like.
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by clicking ctrl shift and tapping. This is how it's going to look like by
default.
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If we were to add the image on top like so, we can composite it and nothing is
going to work.
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The reason being is that we actually need to turn on a small functionality
within the blender itself.
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Although it says something like use alpha over here and use alpha over here,
it's not actually
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using alpha. The reason being is that if we were to go on to our render options,
we have something
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called, if I have a look at the setup, something called film. Let's go ahead and
open it up and
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there is a small tick called transparent. If we were to tick on transparency,
it's going to give
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us the transparency with alpha over, but we need now to re-render this image.
Let's go ahead and
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click f12 and there we go. We see that the background is already giving us that
transparency,
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so the black and white type of squares indicating that it is in fact
transparent.
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So let's go ahead and give it some weight and there we go.
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Alright, so now we can close this down. We can see that this has in fact
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been updated because we enabled alpha right now. This is
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actually working with alpha over. So right away we're
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going to get ourselves a nice background. Let's talk about, in regards to the
background
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itself though, just a little bit adjustment and tweaking. So although the
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background itself is looking quite nice, we can add a bit of an extra detail.
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We can click Shift and A, we can search for Soften. Sorry, not Soften.
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It's going to be called, I believe, Filter. Yep, that's the one.
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Filter, Soften and it's going to give us this type of a setup.
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Soften itself, what it does is basically
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it just gives us a, well, blurred out effect.
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So before and after.
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And actually I will go ahead and go on to the noise real quick and change
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this to, maybe just go ahead and have a look.
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to none. The reason being is that this is actually going to give us a much
faster compositor
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and then at the very end we're going to change this to accurate for denoiser for
the ambient
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occlusion. But for now though let's go ahead and just talk about the soften over
here. So it's
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looking, just basically softens out, blurs out a little bit of those values so
we get ourselves a
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nice gradient basically. And I'm actually just going to duplicate it because
it's not enough
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for me and I'm going to simply add a bit of that extra over here and there we
go. That's looking
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quite nice. Additional thing that we can do is something called transform.
Transform is a nice
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tool to make use out of when we want to offset something. So for example over
here if I was to
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set this value to something like 11, which is going to start compositing, you
can see that
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the entire setup is moving upwards basically, like so. And based on that we can
control
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where the gradient we want is going to be set up.
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And I want this to be just slightly, slightly higher, maybe
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like so. And we can even scale this up a little bit, so for example if we set
this
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something to 10
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it's actually going to, I'm not sure if it's visible, but actually it's going to
zoom in
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to the image. Or if I set this to 0.1
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it's actually going to make the image not visible for us.
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So let me show you, there we go, that's the image I'm talking about.
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So setting it to 0.5 it's actually going to minimize it, but scaling it upwards
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sometimes is useful
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when we want to have that zoomed in effect a little bit on the image.
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So in this case I'd say we can just
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zoom in just a little bit, 1.2 is going to give us a great result.
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Just slightly zoom it in like so, and you can see version before
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and version after, that's how it's going to look like.
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And yeah, we're pretty much done with the background itself.
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We got ourselves a nice setup. We still need to do some color corrections
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some bit with the, if I were to go back, with the environment
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itself as well. But we're going to continue on with this in the next lesson.
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Thank you so much for watching and I will be seeing you in a bit.
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