| Box2D 2.4.1
    A 2D physics engine for games | 
#include <b2_math.h>
| Public Member Functions | |
| b2Transform () | |
| The default constructor does nothing. | |
| b2Transform (const b2Vec2 &position, const b2Rot &rotation) | |
| Initialize using a position vector and a rotation. | |
| void | SetIdentity () | 
| Set this to the identity transform. | |
| void | Set (const b2Vec2 &position, float angle) | 
| Set this based on the position and angle. | |
| Public Attributes | |
| b2Vec2 | p | 
| b2Rot | q | 
A transform contains translation and rotation. It is used to represent the position and orientation of rigid frames.