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Sprite Based Animated Butterflies in UE 5.1 Niagara Tutorial | Download Files

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Video Introduction:

Hi guys, I’m Ashif Ali, and you’re watching CGHOW. Today, I created a butterfly effect using Sprites in Niagara. The special part is that everything, including the animation, is done inside Niagara using alignment and facing in the Sprite system, without relying on a custom material for the animation. Let’s dive into this tutorial.

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Step-by-Step Breakdown:

1. Material Setup:
   • Create Butterfly Material: Start by creating a material (named Butterfly).
   • Use Arrow Texture: Import the arrow texture and multiply it with the particle color.
   • Texture Adjustment: Adjust the texture’s color and invert the green channel to form the desired butterfly shape. Rotate the texture for correct orientation.
2. Niagara Setup:
   • Create Niagara Emitter: Set up a single particle emitter with a larger size and apply the arrow material to it.
   • Second Wing: Duplicate the first particle and apply a different color to simulate the second wing (e.g., green for the second wing).
   • Align Wings: Use custom alignment to orient both wings correctly, ensuring one wing faces the camera while the other aligns with the sprite’s facing direction.
3. Animation Setup:
   • Flapping Animation: To animate the butterfly flapping its wings, use a sine wave for the rotation of the wings.
   • Use Sine Wave: Adjust the sine wave value for flap speed.
   • Apply Different Speeds: Randomize the flap speed to make the animation more natural.
4. Velocity and Movement:
   • Add Velocity: To simulate butterfly movement, use the velocity line and link it to the facing angle.
   • Apply Curl Noise: Add curl noise to the velocity to make the butterfly fly around more randomly.
5. Texture Adjustment for Butterfly:
   • Replace Arrow with Butterfly Texture: Swap out the arrow texture for a butterfly texture and adjust the UV to display only half the butterfly at a time.
   • Fix Facing Issue: Invert the UV scale for one of the wings to ensure both wings face the correct direction.
6. Final Tweaks:
   • Randomize Speed and Colors: Add a random speed value to each butterfly to vary their flapping speed, and randomize the color if desired.
   • Finalize Butterfly Behavior: Increase the number of particles, adjust speeds, and finalize the flapping animation.

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Conclusion:

So that’s how you can animate a butterfly effect using Sprites in Niagara. Thanks for watching, and keep learning. Bye!

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Key Takeaways:

• Used Sprite facing and alignment for butterfly wings.
• No custom material for animation; the whole effect is done within Niagara.
• Randomized butterfly speeds and animations for a natural feel.
• Texture manipulation ensures the butterfly flaps realistically.