13 #ifndef DDREC_VECTOR2D_H
14 #define DDREC_VECTOR2D_H 1
31 return i == 0 ?
_u :
_v ;
34 double u()
const {
return _u ; }
36 double v()
const {
return _v ; }
38 double&
u() {
return _u; }
39 double&
v() {
return _v; }
double operator[](unsigned i) const
Simple 2D vector helper class; moved out of ISurface definition.
Vector2D(double u_val, double v_val)