How do you make a part follow the mouse?

Help and Feedback Scripting Support
1

Hello! I’m trying to make a script that will make a part follow your mouse when you move your mouse around (in the sense of dragging it without needing to click).
Currently I’m having issues figuring it out because I’m new to scripting and just can’t figure out what I’m doing wrong.
I’ve tried a bunch of different ways of going about it but none of them have worked so far, I’ve also looked to see if there was any other topics similar to mine but couldn’t find any that helped.
This is what I currently have right now, it is a LocalScript inside of a Part.

local mouse = game.Players.LocalPlayer:GetMouse()
local rs = game:GetService("RunService")


rs.RenderStepped:Connect(function()
	local part = script.Parent
	if mouse.Move then
		part.Position = Vector3.new(mouse.X, 0, mouse.Z)
	end
end)
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2

Hey! You need to get the position of the mouse with Mouse.Hit.Position.

local mouse = game.Players.LocalPlayer:GetMouse()
local rs = game:GetService("RunService")


rs.RenderStepped:Connect(function()
	local part = script.Parent
	if mouse.Move then
		part.Position = mouse.Hit.Position
	end
end)
4 Likes
3

Thank you for replying with some help but it sadly still doesn’t work, at least for me, the part is still staying in place (and yes its unanchored).

1 Like
4

Interesting, it should work even if it’s anchored. I’m unsure then, because I know that the reason it wasn’t previously working is because Mouse.X is referring to the position in a Vector2, almost like the position of the mouse GUI rather than in the physical world space.

Give me a moment, and I’ll hop into studio to try it out.

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5

Oh, well as I mentioned above, I’m still new to scripting and all that jazz, so I’m very sorry for any inconveniences and I thank you a lot for helping me!

1 Like
6

It appears that LocalScripts don’t run inside of parts, and only really run inside of stuff that has Network Ownership (I think).

Put this in a LocalScript in StarterPlayer > StarterPlayerScripts and it should work fine : )

local mouse = game.Players.LocalPlayer:GetMouse()

local part = workspace.Part
mouse.Move:Connect(function()
	part.Position = Vector3.new(mouse.Hit.Position.X, 0.5, mouse.Hit.Position.Z)
end)
9 Likes
7

Hey! It works perfectly, thank you so much dude you are amazing!

2 Likes
8

Local scripts don’t run when placed inside the ‘Workspace’ container.

2 Likes
9

Switch “local part = workspace.Part” to “local part = workspace:WaitForChild(“Part”).”

1 Like
10

If anybody is wondering, I believe the original script author (@Cosmoaxis) intentionally set the Y value in Vector3.new() as 0.5 and not mouse.Hit.Position.Y because that would cause the mouse part to lift off the ground and start interacting weirdly with the camera and perspective.

To get around this, I first set the part’s CanCollide value to false, which then allowed me to set CanQuery to false as well. Then, in the script, I changed the part.Position value to read:

part.Position = Vector3.new(mouse.Hit.Position.X, mouse.Hit.Position.Y, mouse.Hit.Position.Z)

In case you would like to set the properties during run time, here is the script for that:

local mouse = game.Players.LocalPlayer:GetMouse()

local part = workspace.Part -- or workspace:WaitForChild("Part") since this will likely run before the part is available, causing an error
part.CanCollide = false
part.CanQuery = false

mouse.Move:Connect(function()
	part.Position = Vector3.new(mouse.Hit.Position.X, mouse.Hit.Position.Y, mouse.Hit.Position.Z)
end)

If you would like to create the part dynamically, here is the script for that:

local mouse = game.Players.LocalPlayer:GetMouse()

local part = Instance.new("Part")
part.Parent = game.Workspace
part.Anchored = true -- Doesn't *really* matter, but I prefer it to be anchored
part.CanCollide = false
part.CanQuery = false

mouse.Move:Connect(function()
	part.Position = Vector3.new(mouse.Hit.Position.X, mouse.Hit.Position.Y, mouse.Hit.Position.Z)
end)

Let me know if this helps, thanks! :slight_smile:

1 Like