How would I going about detecting if player is looking to sky or to ground?

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#1

Hello there, I would like to detect if player is looking to the sky or to the ground,

This maybe will include trigonometry but I don’t really know how could I do that.
If anyone know how can I do that please reply!

#2

Maybe this could be want you want? Since the sky would be nil (I’m guessing or an actual skybox) you could do something like this in a LocalScript?

local RunService = game:GetService("RunService")
local SkyPosition = Vector3.new(0, 100, 0)
local GroundPosition = Vector3.new(0, 0, 0)

RunService.RenderStepped:Connect(function()
    local Camera = workspace.CurrentCamera
    local SkyVector, SkyDetect = Camera:WorldToViewportPoint(SkyPosition)
    local GroundVector, GroundDetect = Camera:WorldToViewportPoint(GroundPosition)
        if SkyDetect then
            print("The player is looking at the sky!")
        elseif GroundDetect then
            print("The player is looking at the ground!")
        else
            print("The player is looking somewhere else!")
        end
    end
end)

This is just a edgy example, but this is how you’d maybe do it