Method Node

src/examples/csg_primitive.cpp:60–65

	}

	Node(Prim p, double la, double lb=0., double lc=0.)
		: prim(p), op(OP_TERMINAL),
		  x(0.), y(0.), z(0.), 
		  zx(0.), zy(0.), zz(1.), 
		  xx(1.), xy(0.), xz(0.), 
		  a(la), b(lb), c(lc) {}
public:
	static Node Sphere(double r) {
		return Node(PRIM_SPHERE, r);