107 lines
1.7 KiB
C++
107 lines
1.7 KiB
C++
/*
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* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
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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_ROPE_H
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#define B3_ROPE_H
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#include <bounce/common/math/transform.h>
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struct b3RopeBody;
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//
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struct b3RopeDef
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{
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b3RopeDef()
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{
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vertices = NULL;
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masses = NULL;
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count = 0;
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gravity.SetZero();
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linearDamping = 0.6f;
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angularDamping = 0.6f;
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}
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//
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b3Vec3* vertices;
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//
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float32* masses;
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//
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u32 count;
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//
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b3Vec3 gravity;
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//
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float32 linearDamping;
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//
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float32 angularDamping;
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};
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//
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class b3Rope
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{
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public:
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//
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b3Rope();
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//
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~b3Rope();
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//
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void Initialize(const b3RopeDef& def);
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//
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void SetOrigin(const b3Vec3& position)
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{
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m_p = position;
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}
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//
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void SetGravity(const b3Vec3& gravity)
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{
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m_gravity = gravity;
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}
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//
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void Step(float32 dt);
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//
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void Draw() const;
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private:
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//
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float32 m_kd1, m_kd2;
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//
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b3Vec3 m_gravity;
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// Base
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b3Vec3 m_v;
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b3Vec3 m_w;
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b3Vec3 m_p;
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b3Quat m_q;
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//
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u32 m_count;
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b3RopeBody* m_links;
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};
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#endif |