Method neg

include/math.hpp:206–208

Negates the vector. Equivalent to a reflection across the `y = -x` line. */

	Equivalent to a reflection across the `y = -x` line.
	*/
	Vec neg() const {
		return Vec(-x, -y);
	}
	Vec plus(Vec b) const {
		return Vec(x + b.x, y + b.y);
	}