---clamp
---@param v number @number
---@param Min number @min
---@param Max number @max
---@return number    @clamp v between Min and Max
function math.clamp(v, Min, Max)
    Min = math.min(Min, Max)
    Max = math.max(Min, Max)
    if v < Min then
        return Min
    end
    if v > Max then
        return Max
    end
    return v
end

---clamp
---@param a number          @First number to compare
---@param b number          @Second number to compare
---@param Tolerance number  @Maximum allowed difference for considering them as 'nearly equal'
---@return boolean          @true if a and b are nearly equal
function math.isNearlyEqual(a, b, Tolerance)
    if Tolerance == nil then
        Tolerance = 0.01
    end
    return math.abs(a - b) <= Tolerance
end

--- 在圆中随机生成一个点
function math.RandomCirclePoint(Radius, Center)
    local angle = math.random() * 2 * math.pi;
	local tr = Radius * math.sqrt(math.random());
	local x = Center.X + tr * math.cos(angle);
	local y = Center.Y + tr * math.sin(angle);
	return { X = x, Y = y };
end