Endresult can start to be seen at 3:15
This tip shows the basics of how to set up a lensflare using a single particle but with multiple elements.
Using this method you can make nice and cheap flares to populate the level. You could also spawn multiple particles to have multiple flares placed around. But then you need to modify the scratchpad to use the particle world position instead of the owner position.
If you need the fadeout to be smoother you can add more samples to the occlusion query, but keep in mind that gets more and more expensive.
Beyond this you can add cool offsets, or make the sprite size of certain elements stay the same size in the camera. There's a lot of things you can do going forward from this base.
#UE4 #Niagara #Tutorial
