19 #ifndef B2_WELD_JOINT_H 20 #define B2_WELD_JOINT_H 22 #include <Box2D/Dynamics/Joints/b2Joint.h> 68 b2Vec2 GetReactionForce(float32 inv_dt)
const;
69 float32 GetReactionTorque(float32 inv_dt)
const;
82 float32 GetFrequency()
const {
return m_frequencyHz; }
86 float32 GetDampingRatio()
const {
return m_dampingRatio; }
101 float32 m_frequencyHz;
102 float32 m_dampingRatio;
108 float32 m_referenceAngle;
A 2D column vector with 3 elements.
Definition: b2Math.h:144
b2Body * bodyA
The first attached body.
Definition: b2Joint.h:92
b2Vec2 localAnchorB
The local anchor point relative to bodyB's origin.
Definition: b2WeldJoint.h:47
A 3-by-3 matrix. Stored in column-major order.
Definition: b2Math.h:257
void SetFrequency(float32 hz)
Set/get frequency in Hz.
Definition: b2WeldJoint.h:81
b2Body * bodyB
The second attached body.
Definition: b2Joint.h:95
Definition: b2Joint.h:103
Definition: b2WeldJoint.h:62
void Set(float32 x_, float32 y_)
Set this vector to some specified coordinates.
Definition: b2Math.h:65
Definition: b2WeldJoint.h:27
b2JointType type
The joint type is set automatically for concrete joint types.
Definition: b2Joint.h:86
Solver Data.
Definition: b2TimeStep.h:63
float32 frequencyHz
Definition: b2WeldJoint.h:54
Joint definitions are used to construct joints.
Definition: b2Joint.h:74
void SetDampingRatio(float32 ratio)
Set/get damping ratio.
Definition: b2WeldJoint.h:85
b2Vec2 localAnchorA
The local anchor point relative to bodyA's origin.
Definition: b2WeldJoint.h:44
A rigid body. These are created via b2World::CreateBody.
Definition: b2Body.h:126
float32 GetReferenceAngle() const
Get the reference angle.
Definition: b2WeldJoint.h:78
const b2Vec2 & GetLocalAnchorB() const
The local anchor point relative to bodyB's origin.
Definition: b2WeldJoint.h:75
A 2D column vector.
Definition: b2Math.h:53
float32 referenceAngle
The bodyB angle minus bodyA angle in the reference state (radians).
Definition: b2WeldJoint.h:50
const b2Vec2 & GetLocalAnchorA() const
The local anchor point relative to bodyA's origin.
Definition: b2WeldJoint.h:72
float32 dampingRatio
The damping ratio. 0 = no damping, 1 = critical damping.
Definition: b2WeldJoint.h:57
void Initialize(b2Body *bodyA, b2Body *bodyB, const b2Vec2 &anchor)
Definition: b2WeldJoint.cpp:37