Quick Tips for Photorealistic Fire in Houdini (Pyro Solver):

  • Add noise to the source and include a Fuel field.

  • Add noise to velocity to create more natural motion.

  • Control fire size using the pscale attribute and the number of source points.

  • Fire often moves faster than expected—match the speed and scale to your reference for realism.

step-by-step breakdown for creating stylised smoke, fire, and sparks in Houdini: