CGHOW | Ashif Ali

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Stylized Fire in UE5 Niagara Tutorial | Download Files

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Video Script Breakdown:

• Introduction:
  “Hi guys, I’m Ashif Ali and you’re watching CGHOW. In today’s tutorial, we’re creating a stylized fire effect in Unreal Engine 5 using Niagara. Let’s get started, and don’t forget to subscribe to my channel for more content like this. If you enjoy the video, please like, share, and comment.”
• Creating the Fire Effect:
  1. Modeling a Simple Mesh
     • The tutorial starts by explaining how the fire effect was modeled, emphasizing that a simple mesh was created for the stylized fire (not an animation or a complex model).
  2. Fire Material Creation:
     • Noise Texture: You use a noise texture as a base and multiply it with a radial texture to create the fire effect.
     • Dynamic Parameters: These control the density and power (dissolve) of the fire material.
     • Black Body and Particle Color: You use a black-body temperature model for better visual effects, manipulating colors using saturation to make them vibrant or subtle.
     • Opacity Control: The opacity is controlled to make the fire more dynamic and lifelike.
  3. Niagara Effect Setup:
     • Directional Velocity and Cone Shape: A directional velocity (with a cone shape) is used to simulate the fire’s movement. You adjust the cone angle and size to create the desired flame effect.
     • Dynamic Parameters in Niagara: You implement dynamic parameters for things like density, dissolve, saturation, and random tiling to give the fire a more randomized, organic look.
     • Particle Size and Fade Effect: The particle size is adjusted, and you use curves to make the temperature fade over time, which enhances the fire’s animation.
  4. Adding Glow and Stylized Look:
     • Glow Effect: You adjust the fire’s glow by modifying its scale color with dynamic parameters, creating a soft, fluctuating glow effect.
     • Ambient Light and Post Processing: You use post-processing effects to refine the fire’s appearance, adjusting gamma, and adding subtle lighting effects.
  5. Secondary Effects (Sparks/Embers):
     • You create additional effects like embers and sparks that interact with the fire, adding realism. These are smaller particles that are influenced by gravity and random noise.
  6. Rotation Effect:
     • Rotating Fire Effect: You create a rotating fire effect by adjusting the source of the rotation using a point (fountain) emitter, making the fire rotate smoothly around a central point.
  7. Final Tweaks and Adjustments:
     • Adjustments are made to particle properties like size, life, and gravity, refining the look and feel of the fire effect.
     • Additional tweaks are done on the spawn rate and rotation speed to achieve the perfect fire effect.
  8. Conclusion:
     “That’s it! We’ve created a stylized fire effect in Unreal Engine 5 using Niagara. I hope you found this tutorial helpful. Thanks for watching, and keep learning!”

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Key Takeaways:

• Dynamic Parameters are crucial for controlling various properties of the fire, such as density, dissolve rate, and color.
• Using Black Body Temperature allows for more realistic fire color manipulation.
• Noise textures and random tiling contribute to a more chaotic, natural look.
• Post-processing and ambient light play an important role in achieving the desired stylized effect.
• The tutorial walks through creating a rotating fire effect with secondary particle systems (embers) to make the fire feel more dynamic.