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Box2D
2.2.0
A 2D Physics Engine for Games
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#include <b2WeldJoint.h>
Public Member Functions | |
b2Vec2 | GetAnchorA () const |
Get the anchor point on bodyA in world coordinates. | |
b2Vec2 | GetAnchorB () const |
Get the anchor point on bodyB in world coordinates. | |
b2Vec2 | GetReactionForce (float32 inv_dt) const |
Get the reaction force on body2 at the joint anchor in Newtons. | |
float32 | GetReactionTorque (float32 inv_dt) const |
Get the reaction torque on body2 in N*m. | |
Protected Member Functions | |
b2WeldJoint (const b2WeldJointDef *def) | |
void | InitVelocityConstraints (const b2SolverData &data) |
void | SolveVelocityConstraints (const b2SolverData &data) |
bool | SolvePositionConstraints (const b2SolverData &data) |
Protected Attributes | |
b2Vec2 | m_localAnchorA |
b2Vec2 | m_localAnchorB |
float32 | m_referenceAngle |
b2Vec3 | m_impulse |
int32 | m_indexA |
int32 | m_indexB |
b2Vec2 | m_rA |
b2Vec2 | m_rB |
b2Vec2 | m_localCenterA |
b2Vec2 | m_localCenterB |
float32 | m_invMassA |
float32 | m_invMassB |
float32 | m_invIA |
float32 | m_invIB |
b2Mat33 | m_mass |
Friends | |
class | b2Joint |
A weld joint essentially glues two bodies together. A weld joint may distort somewhat because the island constraint solver is approximate.