1 // MIT License
2
3 // Copyright (c) 2019 Erin Catto
4
5 // Permission is hereby granted, free of charge, to any person obtaining a copy
6 // of this software and associated documentation files (the "Software"), to deal
7 // in the Software without restriction, including without limitation the rights
8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // copies of the Software, and to permit persons to whom the Software is
10 // furnished to do so, subject to the following conditions:
11
12 // The above copyright notice and this permission notice shall be included in all
13 // copies or substantial portions of the Software.
14
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 // SOFTWARE.
22
23 #include "b2_edge_polygon_contact.h"
24
25 #include "box2d/b2_block_allocator.h"
26 #include "box2d/b2_fixture.h"
27
28 #include <new>
29
Create(b2Fixture * fixtureA,int32,b2Fixture * fixtureB,int32,b2BlockAllocator * allocator)30 b2Contact* b2EdgeAndPolygonContact::Create(b2Fixture* fixtureA, int32, b2Fixture* fixtureB, int32, b2BlockAllocator* allocator)
31 {
32 void* mem = allocator->Allocate(sizeof(b2EdgeAndPolygonContact));
33 return new (mem) b2EdgeAndPolygonContact(fixtureA, fixtureB);
34 }
35
Destroy(b2Contact * contact,b2BlockAllocator * allocator)36 void b2EdgeAndPolygonContact::Destroy(b2Contact* contact, b2BlockAllocator* allocator)
37 {
38 ((b2EdgeAndPolygonContact*)contact)->~b2EdgeAndPolygonContact();
39 allocator->Free(contact, sizeof(b2EdgeAndPolygonContact));
40 }
41
b2EdgeAndPolygonContact(b2Fixture * fixtureA,b2Fixture * fixtureB)42 b2EdgeAndPolygonContact::b2EdgeAndPolygonContact(b2Fixture* fixtureA, b2Fixture* fixtureB)
43 : b2Contact(fixtureA, 0, fixtureB, 0)
44 {
45 b2Assert(m_fixtureA->GetType() == b2Shape::e_edge);
46 b2Assert(m_fixtureB->GetType() == b2Shape::e_polygon);
47 }
48
Evaluate(b2Manifold * manifold,const b2Transform & xfA,const b2Transform & xfB)49 void b2EdgeAndPolygonContact::Evaluate(b2Manifold* manifold, const b2Transform& xfA, const b2Transform& xfB)
50 {
51 b2CollideEdgeAndPolygon( manifold,
52 (b2EdgeShape*)m_fixtureA->GetShape(), xfA,
53 (b2PolygonShape*)m_fixtureB->GetShape(), xfB);
54 }
55