61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
/*
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* Copyright (c) 2016-2019 Irlan Robson https://irlanrobson.github.io
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef B3_SOFTBODY_DRAGGER_H
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#define B3_SOFTBODY_DRAGGER_H
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#include <bounce/common/geometry.h>
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#include <bounce/softbody/softbody.h>
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#include <bounce/softbody/softbody_mesh.h>
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#include <bounce/softbody/softbody_node.h>
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// A soft body triangle dragger.
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class b3SoftBodyDragger
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{
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public:
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b3SoftBodyDragger(b3Ray3* ray, b3SoftBody* body);
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~b3SoftBodyDragger();
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bool IsDragging() const;
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bool StartDragging();
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void Drag();
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void StopDragging();
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b3Vec3 GetPointA() const;
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b3Vec3 GetPointB() const;
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private:
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b3Ray3* m_ray;
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b3SoftBody* m_body;
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bool m_isDragging;
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scalar m_x;
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scalar m_tu, m_tv, m_tw;
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b3SoftBodyNode * m_n1, * m_n2, * m_n3;
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b3SoftBodyNodeType m_t1, m_t2, m_t3;
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};
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inline bool b3SoftBodyDragger::IsDragging() const
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{
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return m_isDragging;
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}
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#endif |