b2CircleContact.cpp
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1 /*
2 * Copyright (c) 2006-2009 Erin Catto http://www.box2d.org
3 *
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18 
20 #include <Box2D/Dynamics/b2Body.h>
25 
26 #include <new>
27 
29 {
30  void* mem = allocator->Allocate(sizeof(b2CircleContact));
31  return new (mem) b2CircleContact(fixtureA, fixtureB);
32 }
33 
35 {
36  ((b2CircleContact*)contact)->~b2CircleContact();
37  allocator->Free(contact, sizeof(b2CircleContact));
38 }
39 
41  : b2Contact(fixtureA, 0, fixtureB, 0)
42 {
45 }
46 
47 void b2CircleContact::Evaluate(b2Manifold* manifold, const b2Transform& xfA, const b2Transform& xfB)
48 {
49  b2CollideCircles(manifold,
52 }
b2Fixture * m_fixtureB
Definition: b2Contact.h:206
b2Shape::Type GetType() const
Definition: b2Fixture.h:238
void b2CollideCircles(b2Manifold *manifold, const b2CircleShape *circleA, const b2Transform &xfA, const b2CircleShape *circleB, const b2Transform &xfB)
Compute the collision manifold between two circles.
b2Fixture * m_fixtureA
Definition: b2Contact.h:205
void Free(void *p, int32 size)
Free memory. This will use b2Free if the size is larger than b2_maxBlockSize.
A circle shape.
Definition: b2CircleShape.h:25
signed int int32
Definition: b2Settings.h:31
void * Allocate(int32 size)
Allocate memory. This will use b2Alloc if the size is larger than b2_maxBlockSize.
static b2Contact * Create(b2Fixture *fixtureA, int32 indexA, b2Fixture *fixtureB, int32 indexB, b2BlockAllocator *allocator)
static void Destroy(b2Contact *contact, b2BlockAllocator *allocator)
b2CircleContact(b2Fixture *fixtureA, b2Fixture *fixtureB)
#define b2Assert(A)
Definition: b2Settings.h:27
void Evaluate(b2Manifold *manifold, const b2Transform &xfA, const b2Transform &xfB)
Evaluate this contact with your own manifold and transforms.
b2Shape * GetShape()
Definition: b2Fixture.h:243


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autogenerated on Fri May 7 2021 03:05:51