Frame Rotating Around A Point

[FireManGuy4321]

Hello, I’m extremely confused as to how I would get a frame to rotate around a specific point. In my case it is that I am wanting a frame to rotate around a circle. There is a better explanation following on with the image below. I don’t understand anything about the rotation and I’ve looked through loads of topics and they are either incorrect or don’t follow what I am looking for.

Basically the red line needs to move throughout the circle.

Image:

[toewi]

Hi, I would recommend adding an invisible frame over the circle, and parenting the red indicator to this.

Hierarchy would look something like this:

Now the UI looks like this (I made the ‘invisible’ part semi transparent)

Now when you update the Rotation property of “InvisibleFrame” the red indicator moves as intended

I hope I was able to help you and this solved your problem, if you have any follow up questions feel free to ask

[FireManGuy4321]

That does help but I don’t know how I would make the square rotate itself.
Disregard, I figured that part out using TweenService, thank you very much!

[FireManGuy4321]

@toewi how would I detect when the frame is over a selected part of the circle?

How would I detect when the red frame part is on top of the black part of the circle?

Like This:

[toewi]

Easiest way would be if u knew at which rotation the black area starts and ends,

e.g. if the red indicator first touches the black part at rotation = 100 and stops touching at rotation = 130
(you would either eyeball these 2 values or make sure of them whilst setting up the black area)

now you can compare the rotation value of ur invisible rotation frame to the rotation value u know it needs to be in between in order to touch the black part, a simple if statement would suffice:

local Rotation = InvisibleFrame.Rotation
if Rotation > 100 and Rotation < 120 then
    -- red indicator is touching black area of circle 
end

I hope this helps you