All language subtitles for 06. Ocean Modifier

Hello everyone and welcome to a new video.

In this one we're going to be taking a look at the ocean modifier the ocean modifier allows you to create

realistic ocean's pretty easily to get to it.

You have to have an object selected go over to the modifier tab click Add modifier and then ocean.

Once you do that whatever mess that you have selected will be turned into an ocean.

For this example I use the cube and you can see the cube is gone and replaced with a plain

over on the right.

We have a lot of different options.

This might look a little bit intimidating but don't worry.

It's actually pretty simple to understand.

Let's go through a couple of these.

The first one we have here is the geometry.

So right now it's set to generate.

So it's basically taking the cube getting rid of it and generating a plane.

If I said this to displace it we'll try to displace the original mass which is in this case a cube since

there's only eight vertices on this cube it's not going to work properly.

So most of the time I would set this to generate underneath that we have a couple options here.

We have repeat X. This will just repeat the ocean along the x axis.

So if I turn this up to two you can see it's repeating.

And if I said the Y to two as well you can see it goes back.

I'm going to set both of these back to one underneath that we have time.

This is the time of the ocean.

So if we turn this up you can see the ocean is starting to move

in just a little bit.

We'll be animating this time value.

And so the ocean will be moving in the animation that you saw at the beginning of the video.

The next one we'll talk about is depth.

So this basically is the depth of the ocean.

So if this is set to a high number there's gonna be bigger waves.

If it sets you a lower number it's going to have smaller waves.

So basically since this is set to 200 lender things that this ocean has a depth of two hundred meters

which is quite large.

So there's going to be bigger waves.

We also have the random seed.

So if you currently don't like how the waves look you can set the random see up a little bit and change

it to whatever you want until you find something that you like.

Now we get into the waves before I talk about the choppiness.

I want to first talk about the scale.

So the scale changes how big the waves are.

So you can see if I turn this up the waves become a lot bigger.

And now for the choppiness basically this makes the waves sharper.

So if I zoom in on this wave right here and I turn up the choppiness you can see it kind of pushes the

waves together a little bit and makes the edge a little bit sharper sometimes though if you do it too

much the waves will start to flip through each other.

So you want to be careful with this value.

Also if you set the scale to a higher number as well the waves will start to click through and it will

look a little bit weird.

So I'm going to set this back down to a reasonable number probably around their the smallest wave here.

This is basically the smallest wave that can be in our scene.

So currently it's a two point zero one.

So there's going to be a lot of different waves in our in our ocean.

But if this is set to a higher number it's going to get rid of most the waves.

And so now the smallest wave is six point five meters big.

Normally I would said this to a really low number.

So you can get as much detail in different sizes in the waves.

The wind speed this will also create bigger waves.

If you're using the time value.

So if I turn it up really big I set the time value up.

You can see the ocean is moving quite a bit because there's a lot of wind in the scene.

I'm going to set that back to 30 and now we get into the resolution.

This is pretty easy to understand.

If I turn this up the ocean will look better.

But as you can see the vertices count will also go up.

Currently we're at six thousand seven hundred.

And if I bring this up to let's say 15 we can now see that we're at fifty one thousand vertices.

And if I can press Z and go into wireframe we can see what our ocean looks like for a final render.

I would usually bring this up to a value of thirty two and let's just take a look at that to see how

it looks.

So 32 and you can see there is a lot of geometry.

There's over one million vertices now and there's a lot of detail in our ocean.

I'm going to set this back to 15 just so it runs a little bit faster.

And underneath that we have two different options size and spatial size.

The size right here just basically scales up the ocean it's just like pressing X on a object.

It just scales it up accordingly just like that.

The difference between size and spatial size if I turn up the spatial size this is calculating the size

in meters and it's giving us a more accurate results.

And you can see if I turn this up it's also changing the way the waves look

so it's accurately bringing up the size of our ocean and also making sure the waves stay accordingly.

I'm going to set that back to 50 and now the alignment.

This is the alignment of the waves.

So if I turn this all the way up to 10 and then I turn up the time value you can see the ocean waves

are going in one direction

we can also set that direction down here.

So if I wanted to go at a 45 degree angle I could go forty five and then move up the time value and

you can see they're going at a 45 degree angle

if I slowly bring the alignment down it's going to still go in that direction but it's going to be a

little bit more loose and if I bring up the time that you can still see they're going in that direction

but it's not as strict this dampening value.

Basically what this does is it will help all of the waves go in a certain direction.

So if the alignment is all the way up to 10 so it's going every wave is going in that direction and

the dampening is set to zero.

The waves are going to like bounce off each other and there's not going to be that much alignment.

As you can see there they're not going in that direction.

They're just kind of hitting each other and flowing every which way.

If the dampening is all the way up to one every single wave will go in that direction.

As you can see here so the waves are not bouncing off each other they're just flying in that direction

so you can control the strength of the alignment with this damping value and you can get some interesting

results before we get into the Generate normals and foam and all that stuff.

Let's go ahead and set a animation key frame on our time value.

So what I'm going to do is set this value to 1 and then make sure I'm on frame 1.

Then I'm going to hover over the time value and hit I on my keyboard.

Next let's go to frame one hundred and let's try setting this to a value of five.

So once I set it to five I'm going to hit I one more time while hovering over it.

And now if we go back to the start of our animation and hit the spacebar to play we can see what this

looks like now.

You might notice that it starts out slow and then speeds up and then slows down again.

This is because the default for Blender animation is set to a busier curve.

This looks quite weird with an ocean modifier.

So to fix this what we're going to do is open up a new window so drag this out.

Click on this menu here and go over to the graph editor then select your ocean modifier.

Here we can see that this is the curve we have for our animation.

So it starts out slow it speeds up at this angle and then it slows down right at the start to fix this.

We're going to hit T and then set it to linear.

And as you can see here it's now a constant rate.

So now if we play the animation again we can see this is what it looks like and it looks a lot better.

So I'm gonna go ahead and close this off and then I'm gonna set the end frame down here to one hundred.

We can also see that right here we have a little bit of clipping in our ocean.

So what I'm gonna do is bring this scaled down just a little bit.

So that wave doesn't look like that.

Now if we researched the animation and play it this looks pretty good.

Now that we've done that let's go ahead and talk about the general normals and generate foam.