CGHOW | Ashif Ali

Hi guys in this video you will learn some more modules of Niagara particle system in unreal engine. you will learn basic concept of curls noise force, point attractor and sine wave modules.

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In this video, Ashif Ali (CGHOW) continues the “Intro to Niagara” series with a tutorial on some useful modules in the Niagara particle system. Here’s a breakdown of the key concepts covered:

Key Points:

• Sine Wave Animation: The video demonstrates how to use the sine wave to animate particle sizes, explaining how to use the Sine function for smooth scaling up and down of particles. The particle life is adjusted for randomness, and the Normalized Age is linked to introduce variance in the behavior.
• Use of Radial Module: For particle behavior, Ashif shows how to create twinkling effects by animating the particle size over its life with a sine wave curve. Adjustments are made to particle properties like rotation and size using the Sprite Size Scale module and randomization techniques.
• Noise and Vector Field: The tutorial also covers Curl Noise and its use for random particle movement. It demonstrates applying this with vector fields and modifying the particle movement to create chaotic effects.
• Point Attractor: The video explains the use of the Point Attractor module to attract particles to a specific point in space. It demonstrates how to visualize and adjust the strength and radius of attraction, allowing particles to either gather or disperse around an attractor point.
• Blueprint Integration: Finally, Ashif shows how to link the Niagara particle system with Unreal Engine’s Blueprints to dynamically adjust parameters like the attractor’s position, making the particle system interactive with the game world.

Tutorial Summary:

• Sine Wave for Animation: Used for animating particles in a smooth, cyclical way (like scaling up and down).
• Curl Noise: Introduces randomness into particle movement, adding chaotic, natural motion.
• Point Attractor: Allows you to dynamically attract particles to a specific location in space, useful for effects like sparks or gravity wells.
• Blueprints: Integrating Niagara with Blueprints to control and modify particle systems in real-time.

Conclusion:

This tutorial is an in-depth guide to advanced particle system techniques in Unreal Engine Niagara, focusing on noise, sine wave animations, point attractors, and Blueprint integration. These tools help create dynamic, interactive effects that respond to in-game changes, enhancing the realism and complexity of particle-based VFX.