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UDK: Quick Light and In Game Testing - Simple Room/Env Creation 3/3

Category: UDK
April 05, 2011


In part 3 of the BSP brushes tutorial we will cover the how to add a quick test light and jump inside the game to test out your level.

In the following tutorial, you will learn:

  • How to add a point light
  • How to add a Lightmass Importance Volume
  • Many shortcuts and tips are also shown along the way
  • Video and full notes for quick access are below

If you are completely new to UDK, start with these three tutorials. They will help you to catch up and then come back here and continue with BSP brushes and the rest of the tutorials.

UDK Simple Room/Environment Creation Tutorial Series:

1. UDK: BSP Brushes Block In

2. UDK: BSP Workflow

3. UDK: Quick Lighting and In Game Testing

4. UDK: Using Static Meshes and Workflow

5. UDK: Applying Materials/Textures and Workflow (Parts 1 and 2)

6. UDK: How to Add a Skybox

7. UDK: How to Add Lights

HOW TO ADD A POINT LIGHT

Few ways of adding a simple light in your level.

First is to Right Click --> Add Actor --> Add Light (Point)

You could also add a Dominant Directional Light as well.

Second is to use a shortcut.

Shortcut: L + Left Click in perspective viewport = Places a Point Light in the scene

INCREASE LIGHT RADIUS WITH SCALE TOOL

You can increase the radius of your point light by tapping the spacebar key until you get scale transformation gizmo. Then use that to scale the light, in which it will increase the radius of your light.

ADDING LIGHTMASS IMPORTANCE VOLUME

Lets add Lightmass Importance Volume. This will help to calculate lighting only for the parts in your environment that exists, and not the entire world beyond your level.

Use the red builder brush and create a template around the entire level.

Left Click on the Add Volumes icon:

Choose Lightmass Importance Volume from the menu. This will add the volume where you have your red builder brush.

By hiding the red builder brush using the B key, you will see Lightmass Importance Volume in your scene.

HOW TO BUILD LIGHTS

Once we have a light and lightmass importance volume in the scene, we need to build our lights.

Top toolbar, go to Build Lighting:

For testing your lights and your scene, choose Preview and click Ok.

This will run lighting calculations and build your lights.

HOW TO PLAY TEST IN GAME

Play testing your level is very simple.

Right Click anywhere in your level, preferably on the ground plane and choose Play from Here:

Hit Esc key if you want to close the in-game window.

UDK© Bundle: UDK The Foundation & UDK Guide to Landscape Creation

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