function GetAngle(Cx,Cy)

    if (Cx > x) then
        return (Cy <= y) and (270 - CalcAngle(Cx,Cy)) or (270 + CalcAngle(Cx,Cy))
    elseif (Cx < x) then
        return (Cy <= y) and (90 + CalcAngle(Cx,Cy)) or (90 - CalcAngle(Cx,Cy))
    else
        return (Cy <= y) and (180) or (0)
    end
end

function CalcAngle(Cx,Cy)

    local DistX = math.abs(Cx - x)
    local DistY = math.abs(Cy - y)

    return math.atan(DistY/DistX) * (180/math.pi)
end