This is a one off Godot 3.x Godot tutorial showing how you can use 2D particles in your Godot game, in this case to create a simple flame. We then look at putting the particles together with dynamic lighting and light masks to create a simple but effective dynamic animated torch in Godot.
Step by Step Text Tutorial Series:
https://devga.me/tutorials/godot/creating-an-animated-torch-in-godot-3_x/
https://devga.me/tutorials/godot/
Source