| Box2D 2.4.1
    A 2D physics engine for games | 
A 2D column vector with 3 elements. More...
#include <b2_math.h>
| Public Member Functions | |
| b2Vec3 () | |
| Default constructor does nothing (for performance). | |
| b2Vec3 (float xIn, float yIn, float zIn) | |
| Construct using coordinates. | |
| void | SetZero () | 
| Set this vector to all zeros. | |
| void | Set (float x_, float y_, float z_) | 
| Set this vector to some specified coordinates. | |
| b2Vec3 | operator- () const | 
| Negate this vector. | |
| void | operator+= (const b2Vec3 &v) | 
| Add a vector to this vector. | |
| void | operator-= (const b2Vec3 &v) | 
| Subtract a vector from this vector. | |
| void | operator*= (float s) | 
| Multiply this vector by a scalar. | |
| Public Attributes | |
| float | x | 
| float | y | 
| float | z | 
A 2D column vector with 3 elements.