How to correct the mouse position after enabling "IgnoreGuiInset"?

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1

So then how would I adjust/correct for the discrepancy?

Download: SelectionBoxOnly.rbxl (58.1 KB)

Script:

startPos = Vector2.new(Mouse.X, Mouse.Y)
selectionBox.Position = UDim2.fromOffset(startPos.X, startPos.Y)

Thanks!

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2

you can subtract the startpos by game:GetService("GuiService"):GetGuiInset()

3

Give @gamemaster4268 the solution as I didn’t even know that was a thing, but basically what he’s saying is to offset your current mouseY position (in pixels) with the height of the GUI inset (also in pixels):

local currentPos = Vector2.new(Mouse.X, Mouse.Y + game:GetService("GuiService"):GetGuiInset().Y)
4

Yep. How’d you know it was .Y after GetGuiInset()? It doesn’t give me a suggestion of what available properties GetGuiInset has, and the documentation is of no help either…

5

Wait a minute, actually, I need to look into this more before writing my reply-

6

It worked lol, don’t worry
That’s why I was so surprised

7

Okay I got it – I know how to explain it.

Actually, I didn’t notice that it returned a tuple and NOT a standalone Vector2 (I got lucky lol). Let me visualize what’s going in:

image
image1023Ă—137 12.5 KB

It returns two Vector2 values in a tuple, which means you would usually list them like:

local topLeftCorner, bottomRightCorner = game:GetService("GuiService"):GetGuiInset()

warn(topLeftCorner) -- 0, 58 (for me)
warn(bottomRightCorner) -- 0, 0

Just doing game:GetService("GuiService"):GetGuiInset() returns the first Vector2 in the tuple which is on the top left – whiich just so happens to be the right Vector2. Hence, I’m really just doing Mouse.Y + Vector2.Y

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