javascript - How do I make any item have the end portal texture in minecraft?

Question

I recently saw a modded minecraft video and was particularly interested in this sword that has some sort of space texture: https://i.stack.imgur.com/yWjxi.png. I would like to know if this can be achieved with a texture pack, shaders or a mod. If so, i would also like to know how so i can try it out. I can totally see it being possible with shaders, definetley mods, but i dont know if it would work with just a texture pack.

Answer 1

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