CGHOW | Ashif Ali

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Hi guys today i have created this very simple bubble burst effect in unreal engine Niagara and i used blueprint to randomly spawn it. this effect has just 3 simple emitters 1 is for sphere bubble and 2 for particle sprites.

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Video Title: Magical Bubble Burst Effect – Unreal Engine Niagara VFX Tutorial

Description: In this tutorial, Asif Ali walks you through the creation of the Magical Bubble Burst Effect using Unreal Engine Niagara. This is a simple but visually stunning effect that you can easily integrate into your VFX projects. Asif shares the entire process, from blueprint setup to material creation, and even how to control parameters for distortion and refraction effects.

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Key Points:

• Blueprint Setup:
  • Use Event Begin Play and a Custom Event to trigger the effect.
  • The Set Timer node controls the frequency of the effect’s spawn rate.
  • The Niagara system is randomly spawned at different X and Y locations, with a Z offset to keep it above the ground.
  • Scale randomness is applied to make the effect appear more organic.
• Niagara System:
  • The effect is based on a sphere mesh that distorts over time using dynamic parameters.
  • Heat distortion is applied with a noise texture for the mesh’s World Position Offset.
  • Distortion and refraction are animated dynamically through curves to simulate the “magical burst.”
• Material Setup:
  • The material uses Fresnel and Noise Textures to create the magic bubble’s surface effect.
  • The texture is eroded with a Subtract node to give it a magical, broken-up appearance.
  • Normal Map panning is used for additional mesh distortion.
• Dynamic Parameters and Curves:
  • Distortion, erosion, and refraction values are animated with curves for better control over the effect’s appearance.
  • The dynamic parameter values affect the mesh’s behavior during its lifetime.
• Customization:
  • Particle color is randomized using noise to give the effect a more natural look.
  • Curl noise is applied to add dynamic motion to the particles.
  • The Collision component ensures that particles interact with the ground.
• Finalizing the Effect:
  • After animating the particle system, the effect is rendered, showcasing a visually appealing Magical Bubble Burst.
  • Burst effect is added, which triggers after the sphere has distorted, providing a final touch.

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Additional Notes:

• Ensure to adjust the timing and frequency in the blueprint for optimal effect performance.
• The Material Setup uses a simple yet effective technique to achieve the distortion, which can be customized for different visual styles.
• Experiment with dynamic parameters to achieve unique variations of the effect.

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