aboutsummaryrefslogtreecommitdiff
path: root/src/libjin/3rdparty/Box2D/Dynamics/Joints/b2Joint.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/libjin/3rdparty/Box2D/Dynamics/Joints/b2Joint.h')
-rw-r--r--src/libjin/3rdparty/Box2D/Dynamics/Joints/b2Joint.h226
1 files changed, 0 insertions, 226 deletions
diff --git a/src/libjin/3rdparty/Box2D/Dynamics/Joints/b2Joint.h b/src/libjin/3rdparty/Box2D/Dynamics/Joints/b2Joint.h
deleted file mode 100644
index 2ab5616..0000000
--- a/src/libjin/3rdparty/Box2D/Dynamics/Joints/b2Joint.h
+++ /dev/null
@@ -1,226 +0,0 @@
-/*
-* Copyright (c) 2006-2007 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_JOINT_H
-#define B2_JOINT_H
-
-#include "Box2D/Common/b2Math.h"
-
-class b2Body;
-class b2Joint;
-struct b2SolverData;
-class b2BlockAllocator;
-
-enum b2JointType
-{
- e_unknownJoint,
- e_revoluteJoint,
- e_prismaticJoint,
- e_distanceJoint,
- e_pulleyJoint,
- e_mouseJoint,
- e_gearJoint,
- e_wheelJoint,
- e_weldJoint,
- e_frictionJoint,
- e_ropeJoint,
- e_motorJoint
-};
-
-enum b2LimitState
-{
- e_inactiveLimit,
- e_atLowerLimit,
- e_atUpperLimit,
- e_equalLimits
-};
-
-struct b2Jacobian
-{
- b2Vec2 linear;
- float32 angularA;
- float32 angularB;
-};
-
-/// A joint edge is used to connect bodies and joints together
-/// in a joint graph where each body is a node and each joint
-/// is an edge. A joint edge belongs to a doubly linked list
-/// maintained in each attached body. Each joint has two joint
-/// nodes, one for each attached body.
-struct b2JointEdge
-{
- b2Body* other; ///< provides quick access to the other body attached.
- b2Joint* joint; ///< the joint
- b2JointEdge* prev; ///< the previous joint edge in the body's joint list
- b2JointEdge* next; ///< the next joint edge in the body's joint list
-};
-
-/// Joint definitions are used to construct joints.
-struct b2JointDef
-{
- b2JointDef()
- {
- type = e_unknownJoint;
- userData = nullptr;
- bodyA = nullptr;
- bodyB = nullptr;
- collideConnected = false;
- }
-
- /// The joint type is set automatically for concrete joint types.
- b2JointType type;
-
- /// Use this to attach application specific data to your joints.
- void* userData;
-
- /// The first attached body.
- b2Body* bodyA;
-
- /// The second attached body.
- b2Body* bodyB;
-
- /// Set this flag to true if the attached bodies should collide.
- bool collideConnected;
-};
-
-/// The base joint class. Joints are used to constraint two bodies together in
-/// various fashions. Some joints also feature limits and motors.
-class b2Joint
-{
-public:
-
- /// Get the type of the concrete joint.
- b2JointType GetType() const;
-
- /// Get the first body attached to this joint.
- b2Body* GetBodyA();
-
- /// Get the second body attached to this joint.
- b2Body* GetBodyB();
-
- /// Get the anchor point on bodyA in world coordinates.
- virtual b2Vec2 GetAnchorA() const = 0;
-
- /// Get the anchor point on bodyB in world coordinates.
- virtual b2Vec2 GetAnchorB() const = 0;
-
- /// Get the reaction force on bodyB at the joint anchor in Newtons.
- virtual b2Vec2 GetReactionForce(float32 inv_dt) const = 0;
-
- /// Get the reaction torque on bodyB in N*m.
- virtual float32 GetReactionTorque(float32 inv_dt) const = 0;
-
- /// Get the next joint the world joint list.
- b2Joint* GetNext();
- const b2Joint* GetNext() const;
-
- /// Get the user data pointer.
- void* GetUserData() const;
-
- /// Set the user data pointer.
- void SetUserData(void* data);
-
- /// Short-cut function to determine if either body is inactive.
- bool IsActive() const;
-
- /// Get collide connected.
- /// Note: modifying the collide connect flag won't work correctly because
- /// the flag is only checked when fixture AABBs begin to overlap.
- bool GetCollideConnected() const;
-
- /// Dump this joint to the log file.
- virtual void Dump() { b2Log("// Dump is not supported for this joint type.\n"); }
-
- /// Shift the origin for any points stored in world coordinates.
- virtual void ShiftOrigin(const b2Vec2& newOrigin) { B2_NOT_USED(newOrigin); }
-
-protected:
- friend class b2World;
- friend class b2Body;
- friend class b2Island;
- friend class b2GearJoint;
-
- static b2Joint* Create(const b2JointDef* def, b2BlockAllocator* allocator);
- static void Destroy(b2Joint* joint, b2BlockAllocator* allocator);
-
- b2Joint(const b2JointDef* def);
- virtual ~b2Joint() {}
-
- virtual void InitVelocityConstraints(const b2SolverData& data) = 0;
- virtual void SolveVelocityConstraints(const b2SolverData& data) = 0;
-
- // This returns true if the position errors are within tolerance.
- virtual bool SolvePositionConstraints(const b2SolverData& data) = 0;
-
- b2JointType m_type;
- b2Joint* m_prev;
- b2Joint* m_next;
- b2JointEdge m_edgeA;
- b2JointEdge m_edgeB;
- b2Body* m_bodyA;
- b2Body* m_bodyB;
-
- int32 m_index;
-
- bool m_islandFlag;
- bool m_collideConnected;
-
- void* m_userData;
-};
-
-inline b2JointType b2Joint::GetType() const
-{
- return m_type;
-}
-
-inline b2Body* b2Joint::GetBodyA()
-{
- return m_bodyA;
-}
-
-inline b2Body* b2Joint::GetBodyB()
-{
- return m_bodyB;
-}
-
-inline b2Joint* b2Joint::GetNext()
-{
- return m_next;
-}
-
-inline const b2Joint* b2Joint::GetNext() const
-{
- return m_next;
-}
-
-inline void* b2Joint::GetUserData() const
-{
- return m_userData;
-}
-
-inline void b2Joint::SetUserData(void* data)
-{
- m_userData = data;
-}
-
-inline bool b2Joint::GetCollideConnected() const
-{
- return m_collideConnected;
-}
-
-#endif