Good day to everyone, I have not written to the forum for a long time, I had a question how you can make a similar effect as in the video with a weapon, namely its shine. It looks a lot like a wave, but how to repeat it with THREE.JS
It should be enough to just use a Sprite filled with a circular gradient, and duplicate to along the weapon blade 
You can also add emissive light to the weapon material to fit the gradient color (World of Warcraft and likely a few of other MMOs do that - it’s a lot cheaper than using actual lights or postprocessing.)
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Thanks for the answer, for this I already thought, this is the simplest solution. I just thought it was done at the software level of the shader material.