b2ConstantForceController.h
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.
- */
- #ifndef B2_CONSTANTFORCECONTROLLER_H
- #define B2_CONSTANTFORCECONTROLLER_H
- #include "b2Controller.h"
- class b2ConstantForceControllerDef;
- /// Applies a force every frame
- class b2ConstantForceController : public b2Controller
- {
- public:
- /// The force to apply
- b2Vec2 F;
- /// @see b2Controller::Step
- void Step(const b2TimeStep& step);
- protected:
- void Destroy(b2BlockAllocator* allocator);
- private:
- friend class b2ConstantForceControllerDef;
- b2ConstantForceController(const b2ConstantForceControllerDef* def);
- };
- /// This class is used to build constant force controllers
- class b2ConstantForceControllerDef : public b2ControllerDef
- {
- public:
- /// The force to apply
- b2Vec2 F;
- private:
- b2ConstantForceController* Create(b2BlockAllocator* allocator) const;
- };
- #endif