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Blueprints Visual Scripting for Unreal Engine

You're reading from   Blueprints Visual Scripting for Unreal Engine The faster way to build games using UE4 Blueprints

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Product type Paperback
Published in Aug 2019
Publisher Packt
ISBN-13 9781789347067
Length 380 pages
Edition 2nd Edition
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Authors (2):
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Marcos Romero Marcos Romero
Author Profile Icon Marcos Romero
Marcos Romero
Brenden Sewell Brenden Sewell
Author Profile Icon Brenden Sewell
Brenden Sewell
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Toc

Table of Contents (22) Chapters Close

Preface 1. Section 1: Blueprint Fundamentals FREE CHAPTER
2. Exploring the Blueprint Editor 3. Programming with Blueprints 4. Actors and the Gameplay Framework 5. Understanding Blueprint Communication 6. Section 2: Developing a Game
7. Object Interaction with Blueprints 8. Enhancing Player Abilities 9. Creating Screen UI Elements 10. Creating Constraints and Gameplay Objectives 11. Section 3: Enhancing the Game
12. Building Smart Enemies with Artificial Intelligence 13. Upgrading the AI Enemies 14. Game States and Applying the Finishing Touches 15. Building and Publishing 16. Section 4: Advanced Blueprints
17. Data Structures and Flow Control 18. Math and Trace Nodes 19. Blueprints Tips 20. Introduction to VR Development 21. Other Books You May Enjoy

Level Blueprint Communication

Unreal Engine 4 has a special type of Blueprint called Level Blueprint. Each Level of the game has a default Level Blueprint. They are useful for creating Events and Actions that only happen at the current level. To access the Level Blueprint, click the Blueprints button at the top of the Level Editor and choose the Open Level Blueprint option, as shown in the following screenshot:

In the Level Blueprint, we can easily create references to Actors that are on the Level. To see this in practice, let's create an example where Box Trigger is added on the Level. When an Actor overlaps the trigger, Blueprint_Effect_Sparks is activated, producing the effect of a spark:

  1. Create or use an existing project based on the Third Person template with the starter content.
  2. In the Level Editor, look at the Modes panel on the left. In the Basic category, there...
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