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Diffstat (limited to 'src/libjin/3rdparty/Box2D/Dynamics/Joints/b2GearJoint.h')
-rw-r--r-- | src/libjin/3rdparty/Box2D/Dynamics/Joints/b2GearJoint.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/src/libjin/3rdparty/Box2D/Dynamics/Joints/b2GearJoint.h b/src/libjin/3rdparty/Box2D/Dynamics/Joints/b2GearJoint.h deleted file mode 100644 index 53f7e58..0000000 --- a/src/libjin/3rdparty/Box2D/Dynamics/Joints/b2GearJoint.h +++ /dev/null @@ -1,125 +0,0 @@ -/* -* Copyright (c) 2006-2011 Erin Catto http://www.box2d.org -* -* 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_GEAR_JOINT_H -#define B2_GEAR_JOINT_H - -#include "Box2D/Dynamics/Joints/b2Joint.h" - -/// Gear joint definition. This definition requires two existing -/// revolute or prismatic joints (any combination will work). -struct b2GearJointDef : public b2JointDef -{ - b2GearJointDef() - { - type = e_gearJoint; - joint1 = nullptr; - joint2 = nullptr; - ratio = 1.0f; - } - - /// The first revolute/prismatic joint attached to the gear joint. - b2Joint* joint1; - - /// The second revolute/prismatic joint attached to the gear joint. - b2Joint* joint2; - - /// The gear ratio. - /// @see b2GearJoint for explanation. - float32 ratio; -}; - -/// A gear joint is used to connect two joints together. Either joint -/// can be a revolute or prismatic joint. You specify a gear ratio -/// to bind the motions together: -/// coordinate1 + ratio * coordinate2 = constant -/// The ratio can be negative or positive. If one joint is a revolute joint -/// and the other joint is a prismatic joint, then the ratio will have units -/// of length or units of 1/length. -/// @warning You have to manually destroy the gear joint if joint1 or joint2 -/// is destroyed. -class b2GearJoint : public b2Joint -{ -public: - b2Vec2 GetAnchorA() const override; - b2Vec2 GetAnchorB() const override; - - b2Vec2 GetReactionForce(float32 inv_dt) const override; - float32 GetReactionTorque(float32 inv_dt) const override; - - /// Get the first joint. - b2Joint* GetJoint1() { return m_joint1; } - - /// Get the second joint. - b2Joint* GetJoint2() { return m_joint2; } - - /// Set/Get the gear ratio. - void SetRatio(float32 ratio); - float32 GetRatio() const; - - /// Dump joint to dmLog - void Dump() override; - -protected: - - friend class b2Joint; - b2GearJoint(const b2GearJointDef* data); - - void InitVelocityConstraints(const b2SolverData& data) override; - void SolveVelocityConstraints(const b2SolverData& data) override; - bool SolvePositionConstraints(const b2SolverData& data) override; - - b2Joint* m_joint1; - b2Joint* m_joint2; - - b2JointType m_typeA; - b2JointType m_typeB; - - // Body A is connected to body C - // Body B is connected to body D - b2Body* m_bodyC; - b2Body* m_bodyD; - - // Solver shared - b2Vec2 m_localAnchorA; - b2Vec2 m_localAnchorB; - b2Vec2 m_localAnchorC; - b2Vec2 m_localAnchorD; - - b2Vec2 m_localAxisC; - b2Vec2 m_localAxisD; - - float32 m_referenceAngleA; - float32 m_referenceAngleB; - - float32 m_constant; - float32 m_ratio; - - float32 m_impulse; - - // Solver temp - int32 m_indexA, m_indexB, m_indexC, m_indexD; - b2Vec2 m_lcA, m_lcB, m_lcC, m_lcD; - float32 m_mA, m_mB, m_mC, m_mD; - float32 m_iA, m_iB, m_iC, m_iD; - b2Vec2 m_JvAC, m_JvBD; - float32 m_JwA, m_JwB, m_JwC, m_JwD; - float32 m_mass; -}; - -#endif |