Paint Fire Effect | Unreal Engine Niagara Tutorial

Hi guys in this tutorial you will learn how to paint Effects in unreal engine. so for this video i made simple fire effect in unreal engine Niagara and used blueprint for paint functionality.

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This video tutorial outlines the process of creating a fire painting effect in Unreal Engine, specifically using particle systems and blueprints. Here’s a concise breakdown of the process and key steps:

1. Creating the Blueprint:
   • Start by setting up a basic blueprint using the “fountain” template.
   • Add a tick event and a double circle to ensure the crosshair appears at the center of the screen and the effect is aligned accordingly.
   • Use line traces to detect where the crosshair hits, and connect these points to spawn particle systems at those locations.
2. Particle System Setup:
   • The particle system is initially spawned at the location of the line trace impact point.
   • Adjustments are made to the system’s rotation using the impact normal to ensure proper alignment with surfaces.
   • Implement continuous spawning when holding the left mouse button and stop it when the button is released.
3. Adding Fire and Smoke Effects:
   • Fire particles are created using starter content textures, with adjustments made to velocity, spawn rate, and size to get the desired look.
   • A smoke effect is added using similar techniques, with adjustments to the material and spawn rate to create a realistic interaction with the fire.
4. Embers and Glow:
   • Create ember effects by duplicating the fire particle system and adjusting parameters for velocity, spawn rate, and size to make them appear more dynamic.
   • Add decals for fire interaction with the environment, including glow effects and size variations.
5. Fixing Collisions and Rotation:
   • Ensure that particle systems properly interact with static meshes and adjust the collision settings to achieve correct particle spawning.
6. Beam Effect:
   • A mesh beam is introduced as an additional element to the fire effect. Adjustments to size, rotation, and color are made to match the desired look.
   • Ensure proper targeting and spawn location by using “Look At” rotation logic.
7. Final Adjustments:
   • The glow, size, and intensity of the fire, smoke, and embers are fine-tuned.
   • The particle system’s spawn rates and behaviors are tweaked for better visual results.

The tutorial concludes with a demonstration of the fire painting effect in action and suggests that additional tutorials will focus on refining the beam effect.