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Create a Beach in Unreal Engine Tutorial — Transcript · YTtoTranscript

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Create a Beach in Unreal Engine Tutorial

jourverse · 4,162 words · 21 min read · EN-ORIG

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Below is the complete, readable transcript of Create a Beach in Unreal Engine Tutorial by jourverse on YouTube. Read the full text, copy any part you need, or generate a transcript for any video with our free tool.

Hello everyone, in this tutorial we will modify our ocean to use with the beach scene. And this tutorial only focus on the ocean, not entire landscape. We will create the transparency water and the wave is higher when it is near the beach. And we add the caustic. Also improve the water line or

underwater volume to be more accurate. I would like to tell you that this water wave only move in one direction, so you cannot create entire island with this water system in this current state. Continue from the last tutorial. Open the effects. And this FX ocean water. We need to duplicate this to create the

near beach ocean water. And rename it to FX ocean water beach.

Open this FX ocean water and set the short wave to multiply it with two. Y multiply with two. Two multiply with two is four. And 60. And modify this amplitude. We want the wave to be lower. So this divide it by two. And 240 divided by two is 120. And save this. Open FX ocean water beach.

Set the wind tighten to 10. Cuz we want the long wave for this wave that is near the beach. H plane is this one is 56. This amplitude we want the wave to be higher wave.

And foam injection 0.65 for all of this. Threshold is minus 0.05.

And the foam fade is 0. 15. Foam blur 0.5.

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We can change this wind speed to 100 to make it the wave appear faster. And we need to change this render target.

Open this render target. And all this pixel create new folder name is pixel beach.

Select all this render target. Duplicate 0B and move it to pixel beach. Move here. Rename it to as B.

0B

1B

2B 3B And this ocean pixel attributes B is as 0B. 1B 2B And this one is 3B. And this roughness is roughness B. And add new folder is vertex B. Open this vertex. Duplicate this. Move it to vertex B. Move here. Rename it to attribute B.

And go to FX ocean water beach Niagara. We set this to the new render target. This 0B and 1B 2B 3B And the vertex attribute B. This green one. The same as before. Just with ocean pixel attribute B. And cast 0B.

And this roughness OT roughness B. Save this.

Let's add this Niagara system the new one to the scene. Set location to zero. And see this render target beach. It have the new render target. We add the landscape. Go to landscape. And set this to zero.

And we only want a small landscape, so only one component. And then create.

Delete this. About

Move this water up. Set it to zero. And you can sculpt this landscape. The strength set it to 0.1. If you want to sculpt it down, you can press shift to sculpt it down. And click on the landscape.

And to smooth this out, you can use this smooth.

But I already have the landscape. I can use the old landscape. This is the landscape that I already sculpt it. And move this down to minus 300 30.

Go to BP water ocean. And set this high side 10,000.

And the far distance, you need to set it to 10,000, too. Compile. We have largest surface of water. We add right for player start. Drag it on the landscape. And go to world setting. Set it to BP third person game mode. To spawn the third person character. Let's play this. And we have the third person character.

You can adjust this scalability. Set it to high if your frame rate is low. The low frame rate may caused by this underwater. So, we temporarily disable this. Now, it's play smoothly. Go to the material and duplicate this. Ocean water material. Preview ocean beach. Open this. We want this water to be transparency.

Set it to shading model is single layer water. We need the single layer water material. Output. Add four vector. And we can convert it to parameter. Name is scattering. Set R1 B1 G1 and alpha is 0.5. Multiply with this alpha. And divide it by 1,000. And connect to scattering coefficient. Click on four.

And left click. Set R to 10. G 100. B 500. And A is eight. Then divide one divide by this. Create convert to parameter. The name it to absorption.

And divide by alpha.

Connect to absorption coefficient. And face G. Set it to 0.8.

Change this specular to 0.5. And change the opacity to 0.8. Apply. Save this.

Go to ocean. And BP water ocean. And this child actor. Let's set this rendering. Change it to the new material. And this ocean have the transparency. Let's walk this character into this ocean. You can see the leg of the character.

If you want to have more transparency, you can adjust this transparency. If you change it to 0.5. And apply. Next, we want the ocean wave that is near this landscape have different type of wave. Go back to material. And move this.

MF grab pixel attribute. We need to change this to beach render target. So, this MF grab cascade data vertex. Duplicate. And vertex B. Open this. And set this render target to word attribute B.

And change to this one. The near beach wave render target. Next is this grab pixel attribute. Duplicate. Attribute B. Open. We change this render target to 0 B.

And this one.

Apply and save.

This grab vertex attribute. Duplicate. Name this two grab vertex attributes B. Open. Change this two grab cascade that have a take B.

Apply. Save. This underwater. Duplicate this both of this. Name it to post B. And this two post B.

And this two vertex post B.

And we save all.

Go to preview ocean beach material and we can set this foam texture side to 1,000. Set to 1,000. Copy this. Paste it. And comment on this. This is water body. And this is beach or shoreline.

First thing we need to adjust is this cascade side. Let's see our Niagara. This effect FX ocean water. This patch line is the cascade side. So it is 28 for Y. This is correct. And this cascade side set it to two. And see the FX water beach. This patch line is 56. So set it to 56.

And I need to adjust this value. This scale to seven. Because I want the larger wave and set it to four. And we need to love the color. Create a linear interpolation between this base color with this color. Connect it to base color. Copy. And this normal with this normal. Connect it with

normal.

This bubble mask with this bubble mask. Connect it to MF scattering bubble mask.

Create world position and find distance to nearest surface.

Then divide this with 200 for the distance. Clamp from zero to one. For sharp contrast. And set it to 0.8 for the contrast. And connect it to this alpha.

Apply. Save. To make it obvious, we can set this to red color for A. And go to our scene. And you can see when it is near this landscape, we have this red color. Let's change back to this near beach material. We need to change this grab pixel attribute to grab pixel attribute B

for the beach. And grab vertex attribute B. And apply. And now we can see this have different material for near the landscape. Next, we need to change the world position offset of this near material. Let's create another material function.

Name is MF near to surface beach.

Open this. Create input vector three. And this is vertex attributes beach. Another input function. Name is vertex attribute ocean.

And we need to love between this

the beach and the ocean. World position.

Distance to nearest surface. Divide it by the distance. Set it to 300.

And then clamp zero and one. Add sharp contrast. Set it to 0.5 for the contrast. And connect it to this alpha. And the beach clamp the high minus 20 and this mic is 100. Because I don't want it to the wave to be deep. It caused the collision with the landscape. And create another

linear interpolation. Get this result. I add with 2.7. All this value is depending on your result that you want for your landscape. So, you can adjust it with the value that you desire. And divide by five. Make two A. And B is this result. And uh world position distance from nearest surface. Divide

Set this to 40. The distance and clamp zero and one. Keep contrast. Go 0.5.

And connect it to alpha. I want to flatten this wave when it is nearly collide with the landscape. So, connect it to output. This output rename it to world position offset. Apply and save. Let's go to material.

We can change this ocean priority to one to make sure this is the second input when it display in this material function. Function call. And this vertex attribute ocean is the second. Make this. And this beach vertex attribute and connect this world position offset.

Apply. And let's see this. Play. And we can see the world offset is different for this wave that near the beach. If you want this wave to have more high, you can go to this halfway ocean water beach and change the amplitude. I set this to higher. Multiply by two. And let's save.

And we have the higher. And close all of this. Next, I want to create the material for the sand.

Go to Quixel Bridge. And I use this Icelandic sandy gravel. Download and add it to the engine.

Go to content and add another folder named beach. Create material. M sand.

This is just the placeholder. If you want the material to look more realistic for the landscape, you can follow Andrea Sensei material tutorial. Go to mega scan and surface Icelandic.

Drag this inside the project.

X coordinate divide by two for UV to scale this texture.

Connect it to base color. R for ambient occlusion. G for roughness. And B world offset position. And connect this to normal. Apply. And go to detail node world setting. Set for material. This landscape material, let's set this M sand. And when we play, we can see this material. All this set and duplicate this.

I want the sand to have the the sand that is wet near the ocean water. Rename it to M wet sand.

Get world position. Mask. B for the height of the world position.

Then subtract with minus 300. Add. Copy this world position. Get the noise. Multiply with 25. Make it to A. And we create a high level. The contrast is 0.1. And we get this color base color of this material. Multiply with another dark color.

Make it to A. And another one is B. Connect to base color. And this is the high texture. Alpha for linear interpolation. We want the roughness to be lower to appear to be the wet sand. Multiply 0.5. Make it to A. And the normal connect it to roughness.

Change this material to this wet sand material.

And you can change this to darker color.

Let disconnect this noise first. And we will adjust this noise later. And this is the sand line. The wet. And I want to add the noise to this this line.

Change this noise scale to 0.00025.

And this is about this turbulent. Set the water to five. Output mix is two. And apply. Here you can see the noise for this sand.

And we adjust this color. And this is the roughness that you can adjust.

Now we want to add the caustic for the ocean water. Let's add new folder. Name is caustic. And import the texture that we will use. This water caustic and water normal. And next we create material. M caustic.

And in this water line we can import this pool water. And import all. Delete this material.

And save. This caustic.

Create texture sample. And use this water caustic texture.

Change this material domain to deferred decal and change it to translucent. Get full position. Multiply by 0.0006.

Create a panner. Speed is 0.24 and 0.12. Multiply.

0.6. Multiply.

With 0.5.

And connect to multiply. And use this as UV. And then we multiply this with 0.7. And connect it to emissive color.

Base world position. We can mask this.

RG. Connect to coordinate. Compile. And we drag this material. You can see this texture is moving.

We duplicate this texture.

And then add

Call another panner. And change the speed. X is 0.24. Y is minus 0.12. Multiply. 0. 66. Multiply with 0.5. And connect to this B. And we connect to this UV.

And we have the two textures that moving in the different direction and have different scale. Next we want the distortion. This RG. Create a panner.

Move it down here. Multiply. Okay, the multiply. Two. Multiply with 0.5. All texture sample. And use this normal texture.

And multiply.

With the value is 0. 0. 15.

Mask. RG. Then we add with this panner.

Add with this two.

And connect to UV.

And apply. We have some distortion with this decal. And if we add and cope a cope here, you can see this vertical. It have the straight decal on it. So, we don't want this.

all mask component component mask This one is GB or B and RG.

Well, normal

in texture

and two well, normal and this color or absolute round mask D and mask B

Then, all linear interpolation connect this with the alpha and another one

with this alpha Move all of this to here.

Apply and save.

Let's see if this working or not. Now, it is working. Let's delete this. And we want to add this decal to our water ocean water. Add decal and set this material decal material. And we scale this decal depending on the ocean. Move this down. And we can use this get decal size, copy

in the construction script. Get decal and set relative scale 3D. Click this and make it to X and Y.

Get decal set relative location

Click. Get relative location from this decal and we get X to X, Y to Y and Z subtract with 145 and to Z and compile. I forgot to scale this Z to 140. And we need to set this decal size to one one and lock this first, set it to one for all.

Now and we can see this ocean we have the decal.

under the water You can adjust the strength the brightness of the decal by changing this multiply value to lower 0.4. And we have lower brightness decal. Next, we will improve the accuracy of underwater material post processing. waterline material function Name is MF beach displacement.

Go to material this and preview ocean beach and we copy this.

draw line and this water body

and this water attribute function call

Search for near to surface beach and make to ocean and beach and this well, offset to output.

We create another material function duplicate from this MF beach displacement post.

and use grab vertex attribute B this post B grab vertex attribute post

post get clip plane make to position and this to position and we mask this only use B

copy and pass here. Apply. We save all.

And go to material function and we can delete this loop line because we not use it anymore. For this material delete EP line and this material we change to EP volume. Now and this material instance we can delete all of this.

Add a new folder. Name is post process and move this to this post process. Add new folder is in capture material. This one is post process material.

We add a new material. Name is M water line cube mask. And another one is M water line plane. And create render target this texture render target RT water volume.

Open this water line cube mask. Set this blend mode to mask and unlit.

Set the value to one and call linear interpolation. Another one is zero. Two side sign. Connect to alpha.

Convert to parameter. The name is water height.

And add to five. Add

material function call use which displacement right here. And mask is only B. Subtract. World position. Mask B. And connect to subtract. And connect this to opacity mask. And this to emissive. So apply and use two side material. This material the thing that inside this material it is white and outside it is black.

Go to water ocean and add static mesh. The name is cube. And use this cube water. This cube water don't have the top of it. And search for collision. Set the collision to no collision.

Lighting we disable this effect distance field lighting because we don't want it to affect the distance field of near distance to surface material. So disable this. Now and let's set the material. Use this material. Water line cube mask. And we need to set the scale of this cube to the water actor. Create this sequence.

And we can copy this.

Water mesh assign. Get cube. Set relative scale 3D.

X and Y. And the size we can divide it by 100 first before connect to X and Y.

And the Z is 20. Get cube. Get relative location. And split this. Set relative location.

And split the location. Z subtract with 19 multiply by 100. This is the scale, but I want to set the scale it's a little bit smaller and multiply by 100. Connect to new location. X and Y. And we add another pin. Call create dynamic material instance. Use this M water line cube mask.

And promote to variable. Variable name is water line cube mask.

Get water line cube mask. And set scalar parameter value. Set this parameter name to water height. And we get actor location. Use Z as the value of water height. And get cube. Set material.

Get water line cube mask connect to the material. Uh tail. And you can see around this water we have the code. That's inside of it is white and outside is black color.

This is the border for our underwater.

That M water line plan. And value is one. Linear enter blend between one and zero. Search for two side sign. And set it to alpha. And set it to unlit this setting model. And two side material. Next to emissive side. Emissive color. Function call. Which displacement. Next to world position offset. Apply. Open this

RT water volume render target. And set the size at two 1920 divide two 1080. RTF change to RTF or H. Save. Go to BP water ocean. And add a child actor. This one we can name it to water actor. And this child actor name is underwater layer. And search for water actor. We want this water actor is exactly the

same as this water actor. Or you can just duplicate this water actor from this one. It's the same. So, delete this and change this name to underwater layer.

Go to render. The tile size is the same and tessellation the same. Go render. And this water material set this to M water line plane. The far distance set to this water line plane. Compile. And go to ocean and see if this is the same as the last water actor. So, it's overlap each other.

It is exactly the same height with the water actor of our ocean. Next we click on this the far scene root and add scene capture component 2D.

Choose the texture target is this RT water volume. And we use show only list. We change this to RGB0 in A. No opacity. Go to advanced. And this show flag we disable all of this. We only want to show the static mesh. And disable all of this. Grass. Instance static mesh. Post processing show flag.

Lighting, sky lighting disable ambient.

This nanite show flag disable. Rendering is visible. After doing this, we still need to set the flag setting because when we close this project and then load it again this show flag will not work correctly. This is I think this is the bug. So, let's add variable. Name is engine show flags. Set this variable type to

engine show flags setting. Set it to array. Compile. And add this array.

But go to scene capture component. And use all of this as the variable array. Anti-aliasing is false. So, write in this. Anti alias. You have to type it exactly the same name. It is false. Next is atmosphere.

BSP to false. Cloud.

Decals.

Fog.

Landscape. Particle sprites.

Skeletal mesh. This.

Static mesh. And set it to true. And translucent is false. Go to construction script. After that, we set this engine show flag. Get engine show flag. And get scene capture component. Set show flag settings. And set this array. Next to the sequence. File. And make this.

We can copy this. And paste it. used in the begin play. And delete this. And create a sequence.

Get player character. Set owner. We need to set select what is visible in the scene capture component. We only want this cube and this and the water layer to be visible. Set it to new owner. Get this cube. Show Get the scene capture component. Also only component. And this is the cube component.

Set visible in scene capture only. Set the value to true. And get cube. Set owner no see. Set it to true.

And this and the water layer at child actor.

As full water actor.

And get water mesh. Get scene capture component 2D. Show only component. Set this in component.

Set visible in capture only. Set the value to true. Next we set visibility. Set it to true.

And get player controller.

Player camera manager. Transform component.

Attach component to component.

Get and get a scene capture component 2D. And attach to this parent.

Snap to target.

And compile.

Let's play test. And we go to the ocean.

We not yet set the volume post processing volume to this new render target. First we set this to visible. Disable the visibility. This visible of the water mesh not this rendering. Go to post process material. PP volume. Delete all of this.

Set this water height to 20. And method function call. Base displacement off. Mesh B. And add it with water height. Camera position. Component mask B.

And subtract with this water height. And clamp zero and one. Connect to this alpha.

We need to create a texture sample. Use this. Render target. Water volume. And lerp with the black texture. And with this We create this alpha because we want the volume to disable when it is outside the water.

So let's play test. And now when we go under the water we can see this volume. And the water line is more accurate than before. Set this to brighter color. But we have some problem with this volume because when it is near this water you can see this this a little bit of

blue color. It's come from the cube that is not completely correct with the mask of the water surface. After we adjust all of this, the buoyancy will not correct because we have different wave setting. So go to effect. Open this ocean water FX. And you need to go to this ocean C++ file.

Ocean FFT data. This software cut off is zero two. You multiply it by two. And this one is 60. You need to compare it with this setting. And another place is ocean FFT calculator .h. Make sure the scale is the same. Three and overlap scale is 16. Go to material. And this beach

Let's see the scale three and 16. After you do this, you have to save it.

Close this project.

Run this again.

Let's add this buoyancy.

Open this. The static mesh. That is a body's effect distance real lighting. And free down the save the car.

Play. And this buoyancy only actually rate in this then the ocean wave, not this shoreline wave. This is the end of our tutorial. If you would like me to continue this water ocean tutorial, please let me know in the comment section below. Thank you very much for all my patrons member who are supporting me.

Your support really means a lot to me. Thank you very much for watching. See you in the future tutorial. Doing crazy dreaming. You're the reason why.