Function B2Mat22Add

CommonB2Math.go:576–581

(A, B B2Mat22)

}

func B2Mat22Add(A, B B2Mat22) B2Mat22 {
	return MakeB2Mat22FromColumns(
		B2Vec2Add(A.Ex, B.Ex),
		B2Vec2Add(A.Ey, B.Ey),
	)
}

// A * B
func B2Mat22Mul(A, B B2Mat22) B2Mat22 {