| Box2D 2.4.1
    A 2D physics engine for games | 
#include <b2_chain_shape.h>
 
  
| Public Member Functions | |
| ~b2ChainShape () | |
| The destructor frees the vertices using b2Free. | |
| void | Clear () | 
| Clear all data. | |
| void | CreateLoop (const b2Vec2 *vertices, int32 count) | 
| void | CreateChain (const b2Vec2 *vertices, int32 count, const b2Vec2 &prevVertex, const b2Vec2 &nextVertex) | 
| b2Shape * | Clone (b2BlockAllocator *allocator) const override | 
| Implement b2Shape. Vertices are cloned using b2Alloc. | |
| int32 | GetChildCount () const override | 
| void | GetChildEdge (b2EdgeShape *edge, int32 index) const | 
| Get a child edge. | |
| bool | TestPoint (const b2Transform &transform, const b2Vec2 &p) const override | 
| bool | RayCast (b2RayCastOutput *output, const b2RayCastInput &input, const b2Transform &transform, int32 childIndex) const override | 
| Implement b2Shape. | |
| void | ComputeAABB (b2AABB *aabb, const b2Transform &transform, int32 childIndex) const override | 
| void | ComputeMass (b2MassData *massData, float density) const override | 
|  Public Member Functions inherited from b2Shape | |
| Type | GetType () const | 
| Public Attributes | |
| b2Vec2 * | m_vertices | 
| The vertices. Owned by this class. | |
| int32 | m_count | 
| The vertex count. | |
| b2Vec2 | m_prevVertex | 
| b2Vec2 | m_nextVertex | 
|  Public Attributes inherited from b2Shape | |
| Type | m_type | 
| float | m_radius | 
| Additional Inherited Members | |
|  Public Types inherited from b2Shape | |
| enum | Type { e_circle = 0 , e_edge = 1 , e_polygon = 2 , e_chain = 3 , e_typeCount = 4 } | 
A chain shape is a free form sequence of line segments. The chain has one-sided collision, with the surface normal pointing to the right of the edge. This provides a counter-clockwise winding like the polygon shape. Connectivity information is used to create smooth collisions.
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 | overridevirtual | 
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 | overridevirtual | 
Implements b2Shape.
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 | overridevirtual | 
| void b2ChainShape::CreateChain | ( | const b2Vec2 * | vertices, | 
| int32 | count, | ||
| const b2Vec2 & | prevVertex, | ||
| const b2Vec2 & | nextVertex | ||
| ) | 
Create a chain with ghost vertices to connect multiple chains together.
| vertices | an array of vertices, these are copied | 
| count | the vertex count | 
| prevVertex | previous vertex from chain that connects to the start | 
| nextVertex | next vertex from chain that connects to the end | 
| void b2ChainShape::CreateLoop | ( | const b2Vec2 * | vertices, | 
| int32 | count | ||
| ) | 
Create a loop. This automatically adjusts connectivity.
| vertices | an array of vertices, these are copied | 
| count | the vertex count | 
| 
 | overridevirtual | 
Implements b2Shape.
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 | overridevirtual | 
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 | overridevirtual |