CGHOW | Ashif Ali

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Optical Flares in UE5 Niagara Tutorial | Download Files

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Hi guys, I’m Asif Ali, and today I’ve created this optical flare effect. It’s very simple but can be very useful, and it looks great when you add it to your effects. It can give you a fantastic result in your visual effects.

To create this, you’ll need a star material or texture, and I already have a tutorial on that. If you search ‘star material’ in my tutorials, you’ll find it. The tutorial is about 9 days ago, and you can create this shape very quickly by following that tutorial, which should take about 10 minutes. I’ll do it quickly here.

So let’s create the material for the star:

• Add a texture coordinate, then subtract 0.5 to center it.
• Use the absolute value to make all values positive, ranging from 0 to 1.
• For masking, use the green channel, then multiply the values together to get your star shape.
• To make the star tips pointy, use a power node after the absolute node, then apply a radial function to feed it. Adjust the radius to around 0.8 to create the star shape.

Now, to make the core brighter without touching the material, we’ll do that within Niagara itself.

Step-by-step in Niagara:

1. Create a Niagara emitter and name it accordingly (e.g., Big Star).
2. Adjust the size of the particles to something like 200.
3. Use random rotation, set the color to a blue or orange hue, and make it a faded version (e.g., 0.5 opacity).
4. Copy and paste this emitter, and call the second one ‘Small Star.’ Adjust the size and color for the smaller star and place it above the larger one.
5. For the small star, create a new color parameter and set it to something like yellow or bright white, and adjust its size using a vector.

For the core:

• To fade the core, add a curve to fade out the color.
• Adjust the curve to make it brighter at the start and gradually fade.
• You can also scale the size of the big star’s core in X and Y, for example, scaling the X axis up by 10 times and the Y axis down to zero.

Additional tweaks:

• Use a velocity from center for particle movement.
• Turn off the rotation if you don’t need it.
• You can also change the colors for the smaller star, such as green or purple, to create a colorful fade effect.

And that’s it! It’s a quick and simple effect but very useful for your projects. I’ll put the original file for this effect on my Patreon so you can download and check it out.

Thanks for watching, and keep learning! Bye!