Camera looking through wall

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#1
  1. What do you want to achieve?
    I want to have an over the shoulder camera much like the one in Base battles (Link)
  2. What is the issue?
    The camera goes through walls and the ground.
  3. What solutions have you tried so far?
    I have done a bit of coding and have a raycast in place. The raycast shoots a ray from the HumanoidRootPart to where the camera should be to see if any wall is in the way. That works!

But when I try to position the camera. It goes away like 30 studs away. I dont understand why.

I have this code in the renderstepped function.

	local startCFrame = CFrame.new(Root.CFrame.Position) * CFrame.Angles(0, math.rad(CameraAngleX), 0) * CFrame.Angles(math.rad(CameraAngleY), 0, 0)
	local cameraCFrame = startCFrame:PointToWorldSpace(CameraOffset)
	
	local CameraWallCheck = workspace:Raycast(Root.Position, (Root.Position - cameraCFrame) * -1, params)
	local cameraFocus = startCFrame:PointToWorldSpace(Vector3.new(CameraOffset.X, CameraOffset.Y, -10000))
	
	if CameraWallCheck then
		
		local hitPos = Root.CFrame:PointToWorldSpace(CameraWallCheck.Position)
		
		cameraCFrame = startCFrame:PointToWorldSpace(hitPos)

	end

	Camera.CFrame = CFrame.lookAt(cameraCFrame, cameraFocus)