Projectile Curves System

[Exquizzit]

Hi there! I was trying to make a throwing system, I know, it sounds weird, but it’s not what you think. See, I saw this post and I was trying to make something similar to it. But, I couldn’t figure out how to change the beam according to the mouse’s position. I wanted to be like the pictures down below

Not sure if you can see, but the further my mouse is from the character, the further the item goes. I already managed to use the post above to make the line, but I’m not sure how to move it with the mouse.

[nicemike40]

Do you want the projectile to actually land on your mouse position, or do you just want it to fly in the general direction of it?

[Exquizzit]

You can’t judge the mouse’s Z position, right? So probably the general direction of the mouse

[nicemike40]

Sure, you can get the 3D position of the mouse with Mouse.Hit.

[Exquizzit]

What would that return? A CFrame?

[nicemike40]

Yes. See the documentation: Mouse | Documentation - Roblox Creator Hub

[rottendogDkR]

You should get the moues hit position and use this for your curve:

Modeling a projectile's motion

This guide was originally written for scriptinghelpers. The original can be found here. As a somewhat active member of the Scripting Helpers discord one of the most common questions I see is how to have a projectile travel an arc. Most people want to know how to do this for things like basketballs or cannon balls and so forth. Since this is such a popular question I thought it would be worth writing a blog post on it and talking about a few other things we can extend from our findings. Deri…