Ball Rays Effect | Unreal Engine Niagara Tutorials | UE4 Niagara Rays Effect

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Hi guys today I have created this ball rays effect in unreal engine Niagara using particle attribute reader and world position offset in material for rays

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Title: Ball Rays Effect in Unreal Engine Niagara – Full Tutorial

Description:
Hi guys, I’m Asif Ali and welcome to another CGHOW video! In this tutorial, we’ll be creating an awesome Ball Rays effect in Unreal Engine using Niagara. You’ll learn how I made bouncing balls that are linked to rays, and I’ll show you the steps involved in creating this effect from start to finish. Let’s dive right in!

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Video Summary:

In this tutorial, I’ll walk you through how to create the Ball Rays effect in Unreal Engine Niagara, including particle movement, emitter duplication, and material manipulation. Here’s a breakdown of the key steps:

1. Creating the Emitters:
   • We start by setting up two emitters: one for the balls and another for the rays.
   • I show you how both emitters use similar settings for their movement, with the balls having random velocity, gravity, and collision interactions with the ground.
2. Emitter Duplication for Rays:
   • I demonstrate how to duplicate the ball emitter to create the ray effect.
   • The key is to use the Attribute Reader module to match the position of the new (ray) particles to the position of the original (ball) particles.
   • This way, the rays always follow the balls, keeping them in sync.
3. Material Setup:
   • I walk you through creating a material that distorts the vertexes of a sphere mesh to create the ray effect.
   • By using a noise texture and applying it to the vertex position, we can make the rays behave dynamically, bending toward a specific location (such as the center or the ball’s position).
4. Blueprint Integration:
   • We set up a Blueprint to dynamically adjust the material’s parameters per frame, allowing the rays to follow the ball as it moves around.
   • You’ll see how to link the sphere’s location to the material, creating a fluid and responsive ray system.

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Key Learning Points:

• How to synchronize particle systems using the Attribute Reader for position, color, and scale.
• Using noise textures in materials to create dynamic vertex distortion for ray effects.
• Setting up real-time material adjustments via Blueprints to create interactive VFX.
• Fine-tuning particle properties like gravity, drag, and collision for more natural motion.

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Thanks for watching, and as always, keep learning and experimenting with Unreal Engine to elevate your VFX skills!

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Tags:
Unreal Engine, Niagara VFX, Ball Rays Effect, VFX Tutorial, Particle Systems, Ray Effects, Unreal Engine Tutorial, 3D VFX, Game Development, Visual Effects, Blueprints