You can find the creation of falling flakes in effects, but first go to the lower menu and in the collection, create a new folder, for example FX / Niagara emitter, then name EFX_SNOW open the function and start editing it.
First, we start the speeds of falling snow and in what direction the effect is to work, in the right menu write to the "Velocity" search engine and in the add Velocity settings adjust the minimum and maximum values, to min. Write -1000 and up to max -850
In Cone settings: Edit the Cone Angle to 45
Now we find the Shape Location settings in this setting we will edit the Sphare Radius to 5000
Because we are falling very small amounts of snow and everywhere, we will find the Spawn Rate settings and here we will be able to adjust the values for spawnrate at will, the larger the number for our radius 5000, which we chose, the more particles will fall and the smaller the Of course, the number will be less generated. The practice is that you can write the number 5000 and if you give a slash / and write 2 (5000/2) for 2500.
Now it is time to look at gravity, you can find it in Gravity Force settings in gravity and adjust the axis "Z" (blue), adjust this value to a lower number, for example -25, slowing down the fall of the "-z axis axis"
Other settings will be like a long time "live" you can find it in the Point Attributes settings, here as an example we substitute Lifetime min = 10.0 and Lifetime Max = 15.0
And last but not to set the particle size, you can find it in Sprite Attributes settings, here in your values you can edit at the discretion.
Now that we have the effect set, close the editing menu and right click the effect and select Create Niagara System, and then insert it anywhere on the map in the workspace.
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