struct Color {
	double r, g, b, a;
	Color (double r, double g, double b, double a)
	{
		this->r = r;
		this->g = g;
		this->b = b;
		this->a = a;
	};
};

class Dingus {
public:
	Color color;
	Dingus (Color c);
};

Dingus::Dingus (Color c) : color(c)
//Dingus::Dingus (Color c) : color(0,0,0,0)
{
}