Checking if a part is visible on a players screen

Help and Feedback Scripting Support
#1

I have a rectangle constructed from four parts, I want these parts to be of the corner of the screen. Im trying to make a script that will zoom out until one of them is on screen. The return true is never getting called and I am unsure why.
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local function partIsOnScreen(player, part, fov)
local target = part

local _, withinScreenBounds = workspace.CurrentCamera:WorldToScreenPoint(target.Position)
print("e")
if withinScreenBounds then
	return true
end

end
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