b2ConstantForceController.cpp
上传用户:gb3593
上传日期:2022-01-07
资源大小:3028k
文件大小:2k
源码类别:
游戏引擎
开发平台:
Visual C++
- /*
- * Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
- *
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- */
- #include "b2ConstantForceController.h"
- b2ConstantForceController::b2ConstantForceController(const b2ConstantForceControllerDef* def) : b2Controller(def)
- {
- F = def->F;
- }
- void b2ConstantForceController::Step(const b2TimeStep& step)
- {
- B2_NOT_USED(step);
- for(b2ControllerEdge *i=m_bodyList;i;i=i->nextBody){
- b2Body* body = i->body;
- if(body->IsSleeping())
- continue;
- body->ApplyForce(F,body->GetWorldCenter());
- }
- }
- void b2ConstantForceController::Destroy(b2BlockAllocator* allocator)
- {
- allocator->Free(this, sizeof(b2ConstantForceController));
- }
- b2ConstantForceController* b2ConstantForceControllerDef::Create(b2BlockAllocator* allocator) const
- {
- void* mem = allocator->Allocate(sizeof(b2ConstantForceController));
- return new (mem) b2ConstantForceController(this);
- }