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BSPs - The Building Blocks of UE4

BSP Brushes
Scene showing BSP Brushes

What is a BSP?

A BSP stands for Binary Space Partition. These are objects that placed onto your level. You find these in the Place Mode. There are a variety of different shapes to use for a BSP including cubes, cylinders and stairs.



Modes
Place Mode

Step 1: Dragging it out

Before we show how to drag in a BSP, we will first get rid of all of the BSPs already in the level. You can either hide or delete these by using the Scene Outliner.


Level
Blank Level

After all of the existing BSPs are removed, you can now drag in your own BSPs. You can start with an easy shape, for example a cube. You drag it out by clicking on to BSPs on the Place Mode, select your shape and drag it on to the level with your mouse.


Block Brush
Block


Cylinder Brush
Cylinder


Cone Brush
Cone

Step 2: Adjustments

When it’s dragged out on screen, you can use the mouse to adjust the camera angles so you know where exactly you want the shape. Also, by pressing the Space Bar, you change what sort of adjustments you want including direction, rotation and size.


Direction
Direction


Rotation
Rotation


Scale
Scale

If you ever want to use a BSP to make a building or a lighthouse, you need to make your BSP hollow. You do this by selecting your BSP, going to the Details Panel and ticking where is says HOLLOW.


Hollow Option
Hollow

If adjusted the size before you made it hollow, you will notice that it goes back to its original size. If this happens, you can still scale it back to how you had it. When a BSP is hollow, you can view it from the inside, you cannot do this when it’s solid.


Hollow Block
Inside Block

Step 3:Stairs

When you have a hollow cylinder or cube, you can also be able to drag in stairs into them. There are 3 types of stairs curved, linear and spiral. When making adjustments to your stairs, we recommend, using side view.


Curved Stairs
Curved Stairs
Spiral Stairs
Spiral Stairs


Linear Stairs
Linear Stairs
Side View
Side View 
Once you have all of your BSPs dragged onto your level, you can manipulate them for any use for your level that you want.

More Brushes
BSPs



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