Quickly add fog to a scene that responds to player movement.
Light on performance - using basic Niagara particles. not fluid sim.
Simple asset. What you see in images is what you can expect.
Example for basic rectangular, round, flowing/moving, toxic (green). Include simple demo level.
Many options to play with:
Opacity
SpawnRate
ParticleScale
Shape (box, sphere, cylinder - shape fog will fill (box is usually the most appropriate))
FogSpeed (how fast particles animate)
InteractWithPlayer
InteractionPower
WindSpeed (add movement across the ground)
WorldCollision (if descending, does it go through the ground)
Gravity (create a descending effect)
Color
LifeScale (increase for fog floating across field)
Interaction effect increases with player speed - walking, running, standing still.
Possible future updates:
Follow landscape deformation.
Respond to multiple pawns.