How to spawn procedural objects on custom surface using splines - Unreal Engine 5 tutorial

Welcome to my latest Unreal Engine tutorial!

In this video, I'll guide you through the process of spawning objects on custom surfaces using splines. This technique is particularly useful for creating complex environments and ensuring your objects are placed precisely where you want them.

In this tutorial, you'll learn:

How to set up splines in Unreal Engine
Implement a ray-casting algorithm to spawn objects theoretically
Implement the ray-casting algorithm in blueprints
Spawn meshes using the Hierarchical Instanced Static Mesh Component

The ray-casting algorithm used in this tutorial is a crucial part of the process, allowing for accurate detection of surface intersections and ensuring objects are placed correctly on any custom surface.
Here is the link of the page showed and used in the tutorial for the algorithm:
https://www.geeksforgeeks.org/how-to-...

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Chapters:
0:00 Introduction
0:17 Ray-Casting Algorithm Overview
14:02 Creating the blueprint actor
17:52 Implementing the Ray-Casting Algorithm in UE
42:38 Implementing the meshes spawning function
48:34 Final tweaks and tests

Useful Links:

Algorithm source: https://www.geeksforgeeks.org/how-to-...
More info about the ray-casting: https://en.wikipedia.org/wiki/Point_i...
Unreal Engine documentation: https://www.unrealengine.com/en-US/on...

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Thank you for watching and see you next time!

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