|  | Box2D
    2.3.0
    A 2D Physics Engine for Games | 
#include <b2Distance.h>
| Public Member Functions | |
| void | Set (const b2Shape *shape, int32 index) | 
| int32 | GetSupport (const b2Vec2 &d) const | 
| Get the supporting vertex index in the given direction. | |
| const b2Vec2 & | GetSupportVertex (const b2Vec2 &d) const | 
| Get the supporting vertex in the given direction. | |
| int32 | GetVertexCount () const | 
| Get the vertex count. | |
| const b2Vec2 & | GetVertex (int32 index) const | 
| Get a vertex by index. Used by b2Distance. | |
| Public Attributes | |
| b2Vec2 | m_buffer [2] | 
| const b2Vec2 * | m_vertices | 
| int32 | m_count | 
| float32 | m_radius | 
A distance proxy is used by the GJK algorithm. It encapsulates any shape.
| void b2DistanceProxy::Set | ( | const b2Shape * | shape, | 
| int32 | index | ||
| ) | 
Initialize the proxy using the given shape. The shape must remain in scope while the proxy is in use.
 1.8.11
 1.8.11