I have just started scripting on Roblox, and I want to make an SCP, the "Infinite IKEA". I want to add the staff into the entire build, so I want to make the two things. I have a walking (day) animation, so how do I make a hostile NPC and add custom animations to it? Sorry if this is too much of a question.
If you're referring to how you would make an NPC attack a player, I will give you two strong resources to check out. Unfortunately there is going to be some researching, but researching is all a part of the programming journey, so you better get used to it!
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If you have any more questions, feel free to ask!