UE4 has a very powerful landscape toolset. It will let you create huge sprawling natural environments.
But before you get lost in the possibilities, let's go through the steps of creating your very first, simple landscape in UE4.
Go to File > New Level and choose Default:
Default level is a great starting point for any landscape. I've talked a lot about using the Default level in many previous tutorials.
Default level gives you:
Go to Landscape Mode (Shift+3). Landscape Mode contains everything you need to manage, sculpt and paint landscapes.
Create New or Import from File:
Define a Material:
You can apply a Material to assign automatically on your landscape after you create it. But in this case we don't have a Material created for landscapes yet. So leave this blank.
See this tutorial on how to create a simple 2-texture material for landscapes.
Location, Rotation, Scale:
Location, Rotation and Scale allow you to place, rotate and scale your landscape prior to creating it. Leave these at default unless you have specific numbers to input where you know the location in the world to create the terrain in.
Scale should be left at default values of 100. I don't recommend scaling the landscape, as you are actually scaling the data to make it appear larger. It is like scaling a texture to a higher resolution from smaller size. You will lose detail in the texture. Same thing happens to a landscape. There might be cases where you can to do that but starting out this early, avoid scaling the landscape in any direction.
These get very complex very quick. All these values determine what size of your landscape is going to be and many of these affect the performance.
UE4 technical document is a great starting point to go through but I found it very technical and very difficult to understand. It took me many read-throughs over many months to understand.
I have a video that explains all these settings in a way that anyone can get it and use it right away in Module 1, Video 3 from "UE4 Landscape Essentials" course.
Uses the existing settings in your Landscape and increases the Number of Components to its maximum size of 32x32.
After you entered Number of Components, Section Size, and Sections Per Component take a look at the landscape template it creates. You can judge the size of it before you create it.
Once you are happy with it, click Create.
Switch to Place Mode (Shift+1) and left click on the landscape to select it.
In the Details panel you can take a look at various properties for this landscape. Through this menu is also where you will assign a landscape material.
When you first create your landscape within a Default Level, you will see these black lines on your landscape. The black lines outline each landscape component.
There is nothing wrong with your landscape but having these black lines is distracting to work with.
To FIX this do one of the following:
I prefer to work with landscapes by having my Directional Light set to Movable. This allows me to test everything in real-time without having to build any lights. Then if the project requires Static Lighting, I deal with that after landscape is done.
SkyLight in Default Level is set Static and it will require you to build lighting to see the results.
SkyLight illuminates indirectly lit areas of your environment, areas that are in shadow (it uses the Sky Sphere to reflect lighting into these indirectly lit areas).
Select the SkyLight and change its Mobility from Static to Stationary or Movable:
After creating the landscape, default plane and Player Start may be hidden below the landscape.
Select the Plane and Player Start and move it above the landscape. I keep this plane for scale reference and to orient myself in the landscape:
I also insert UE4 Manniquin into the level to help me judge scale:
See this video on how to add UE4 Mannequin to any project:
Switch over to Landscape Mode (Shift+3) and select Sculpt Mode to begin shaping your landscape:
There are a lot of Sculpting Tools available so if you want to know what each one does and how to use it then download the "UE4 Landscape Essentials" course.
Learn EVERYTHING you need to know for how to create/sculpt landscapes and create/paint landscape materials entirely in UE4 without any external software with "UE4 Fundamentals Vol.2: Landscape Essentials".
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