mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-23 04:50:17 +00:00
58 lines
2.4 KiB
C++
58 lines
2.4 KiB
C++
// MIT License
|
|
|
|
// Copyright (c) 2019 Erin Catto
|
|
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
#include "b2_chain_polygon_contact.h"
|
|
#include "box2d/b2_block_allocator.h"
|
|
#include "box2d/b2_fixture.h"
|
|
#include "box2d/b2_chain_shape.h"
|
|
#include "box2d/b2_edge_shape.h"
|
|
|
|
#include <new>
|
|
|
|
b2Contact* b2ChainAndPolygonContact::Create(b2Fixture* fixtureA, int32 indexA, b2Fixture* fixtureB, int32 indexB, b2BlockAllocator* allocator)
|
|
{
|
|
void* mem = allocator->Allocate(sizeof(b2ChainAndPolygonContact));
|
|
return new (mem) b2ChainAndPolygonContact(fixtureA, indexA, fixtureB, indexB);
|
|
}
|
|
|
|
void b2ChainAndPolygonContact::Destroy(b2Contact* contact, b2BlockAllocator* allocator)
|
|
{
|
|
((b2ChainAndPolygonContact*)contact)->~b2ChainAndPolygonContact();
|
|
allocator->Free(contact, sizeof(b2ChainAndPolygonContact));
|
|
}
|
|
|
|
b2ChainAndPolygonContact::b2ChainAndPolygonContact(b2Fixture* fixtureA, int32 indexA, b2Fixture* fixtureB, int32 indexB)
|
|
: b2Contact(fixtureA, indexA, fixtureB, indexB)
|
|
{
|
|
b2Assert(m_fixtureA->GetType() == b2Shape::e_chain);
|
|
b2Assert(m_fixtureB->GetType() == b2Shape::e_polygon);
|
|
}
|
|
|
|
void b2ChainAndPolygonContact::Evaluate(b2Manifold* manifold, const b2Transform& xfA, const b2Transform& xfB)
|
|
{
|
|
b2ChainShape* chain = (b2ChainShape*)m_fixtureA->GetShape();
|
|
b2EdgeShape edge;
|
|
chain->GetChildEdge(&edge, m_indexA);
|
|
b2CollideEdgeAndPolygon( manifold, &edge, xfA,
|
|
(b2PolygonShape*)m_fixtureB->GetShape(), xfB);
|
|
}
|