Function Luma

TombEngine/Math/Utils.cpp:92–100

	}

	float Luma(const Vector3& color)
	{
		constexpr auto RED_COEFF   = 0.2126f;
		constexpr auto GREEN_COEFF = 0.7152f;
		constexpr auto BLUE_COEFF  = 0.0722f;

		// Use Rec.709 trichromat formula to get perceptive luma value.
		return float((color.x * RED_COEFF) + (color.y * GREEN_COEFF) + (color.z * BLUE_COEFF));
	}

	float Chroma(const Vector3& color)
	{