public override void SayGoodbye(Joint joint) {
if (test.m_mouseJoint == joint) {
test.m_mouseJoint = null;
} else {
test.JointDestroyed(joint);
}
}
protected Joint(JointDef def){
Utilities.Assert(def.bodyA != def.bodyB);
m_type = def.type;
m_prev = null;
m_next = null;
m_bodyA = def.bodyA;
m_bodyB = def.bodyB;
m_index = 0;
m_collideConnected = def.collideConnected;
m_islandFlag = false;
m_userData = def.userData;
m_edgeA = new List<JointEdge>();
m_edgeB = new List<JointEdge>();
}
public Joint joint; //pointer ///< the joint
public JointEdge(Joint j, Body body) {
this.joint = j;
this.other = body;
}
protected static void Destroy(Joint joint){
throw new NotImplementedException();
//joint.~Joint();
//switch (joint.m_type)
//{
//case JointType.e_distanceJoint:
// allocator.Free(joint, sizeof(DistanceJoint));
// break;
//case JointType.e_mouseJoint:
// allocator.Free(joint, sizeof(MouseJoint));
// break;
//case JointType.e_prismaticJoint:
// allocator.Free(joint, sizeof(PrismaticJoint));
// break;
//case JointType.e_revoluteJoint:
// allocator.Free(joint, sizeof(RevoluteJoint));
// break;
//case JointType.e_pulleyJoint:
// allocator.Free(joint, sizeof(PulleyJoint));
// break;
//case JointType.e_gearJoint:
// allocator.Free(joint, sizeof(GearJoint));
// break;
//case JointType.e_wheelJoint:
// allocator.Free(joint, sizeof(WheelJoint));
// break;
//case JointType.e_weldJoint:
// allocator.Free(joint, sizeof(WeldJoint));
// break;
//case JointType.e_frictionJoint:
// allocator.Free(joint, sizeof(FrictionJoint));
// break;
//case JointType.e_ropeJoint:
// allocator.Free(joint, sizeof(RopeJoint));
// break;
//case JointType.e_motorJoint:
// allocator.Free(joint, sizeof(MotorJoint));
// break;
//default:
// Utilities.Assert(false);
// break;
//}
}
// Let derived tests know that a joint was destroyed.
public virtual void JointDestroyed(Joint joint) { }
/// Called when any joint is about to be destroyed due /// to the destruction of one of its attached bodies. public abstract void SayGoodbye(Joint joint);
public override void JointDestroyed(Joint joint)
{
for (int i = 0; i < 8; ++i)
{
if (m_joints[i] == joint)
{
m_joints[i] = null;
break;
}
}
}
/// Destroy a joint. This may cause the connected bodies to begin colliding.
/// @warning This function is locked during callbacks.
public void DestroyJoint(Joint joint){
throw new NotImplementedException();
//Utilities.Assert(IsLocked() == false);
//if (IsLocked())
//{
// return;
//}
//bool collideConnected = j.m_collideConnected;
//// Remove from the doubly linked list.
//if (j.m_prev)
//{
// j.m_prev.m_next = j.m_next;
//}
//if (j.m_next)
//{
// j.m_next.m_prev = j.m_prev;
//}
//if (j == m_jointList)
//{
// m_jointList = j.m_next;
//}
//// Disconnect from island graph.
//Body* bodyA = j.m_bodyA;
//Body* bodyB = j.m_bodyB;
//// Wake up connected bodies.
//bodyA.SetAwake(true);
//bodyB.SetAwake(true);
//// Remove from body 1.
//if (j.m_edgeA.prev)
//{
// j.m_edgeA.prev.next = j.m_edgeA.next;
//}
//if (j.m_edgeA.next)
//{
// j.m_edgeA.next.prev = j.m_edgeA.prev;
//}
//if (&j.m_edgeA == bodyA.m_jointList)
//{
// bodyA.m_jointList = j.m_edgeA.next;
//}
//j.m_edgeA.prev = null;
//j.m_edgeA.next = null;
//// Remove from body 2
//if (j.m_edgeB.prev)
//{
// j.m_edgeB.prev.next = j.m_edgeB.next;
//}
//if (j.m_edgeB.next)
//{
// j.m_edgeB.next.prev = j.m_edgeB.prev;
//}
//if (&j.m_edgeB == bodyB.m_jointList)
//{
// bodyB.m_jointList = j.m_edgeB.next;
//}
//j.m_edgeB.prev = null;
//j.m_edgeB.next = null;
//Joint::Destroy(j, &m_blockAllocator);
//Utilities.Assert(m_jointCount > 0);
//--m_jointCount;
//// If the joint prevents collisions, then flag any contacts for filtering.
//if (collideConnected == false)
//{
// ContactEdge* edge = bodyB.GetContactList();
// while (edge)
// {
// if (edge.other == bodyA)
// {
// // Flag the contact for filtering at the next time step (where either
// // body is awake).
// edge.contact.FlagForFiltering();
// }
// edge = edge.next;
// }
//}
}
private void DrawJoint(Joint joint)
{
Body bodyA = joint.GetBodyA();
Body bodyB = joint.GetBodyB();
Transform xf1 = bodyA.GetTransform();
Transform xf2 = bodyB.GetTransform();
Vec2 x1 = xf1.p;
Vec2 x2 = xf2.p;
Vec2 p1 = joint.GetAnchorA();
Vec2 p2 = joint.GetAnchorB();
Color color = Color.FromArgb(128, 200, 200);
switch (joint.GetJointType())
{
case JointType.e_distanceJoint:
m_debugDraw.DrawSegment(p1, p2, color);
break;
case JointType.e_pulleyJoint:
{
throw new NotImplementedException();
//PulleyJoint pulley = (PulleyJoint)joint;
//Vec2 s1 = pulley.GetGroundAnchorA();
//Vec2 s2 = pulley.GetGroundAnchorB();
//m_debugDraw.DrawSegment(s1, p1, color);
//m_debugDraw.DrawSegment(s2, p2, color);
//m_debugDraw.DrawSegment(s1, s2, color);
}
break;
case JointType.e_mouseJoint:
// don't draw this
break;
default:
m_debugDraw.DrawSegment(x1, p1, color);
m_debugDraw.DrawSegment(p1, p2, color);
m_debugDraw.DrawSegment(x2, p2, color);
break;
}
}
public Joint joint; //pointer ///< the joint
public JointEdge(Joint j, Body body)
{
this.joint = j;
this.other = body;
}
public void Add(Joint joint)
{
m_joints.Add(joint);
}