void FixedUpdate()
{
// Destroy itself when monitored joint was destroyed.
if (Joint == null)
{
Destroy(this);
return;
}
else if (!Joint.enabled)
{
return;
}
Vector2 reactionForce;
float reactionTorque;
if (Joint is DistanceJoint2D)
{
var specificJoint = Joint as DistanceJoint2D;
reactionForce = specificJoint.GetReactionForce(Time.fixedDeltaTime);
reactionTorque = specificJoint.GetReactionTorque(Time.fixedDeltaTime);
}
else if (Joint is HingeJoint2D)
{
var specificJoint = Joint as HingeJoint2D;
reactionForce = specificJoint.GetReactionForce(Time.fixedDeltaTime);
reactionTorque = specificJoint.GetReactionTorque(Time.fixedDeltaTime);
}
else if (Joint is SliderJoint2D)
{
var specificJoint = Joint as SliderJoint2D;
reactionForce = Vector2.zero;
reactionTorque = specificJoint.GetMotorForce(Time.fixedDeltaTime);
}
else if (Joint is SpringJoint2D)
{
var specificJoint = Joint as SpringJoint2D;
reactionForce = specificJoint.GetReactionForce(Time.fixedDeltaTime);
reactionTorque = specificJoint.GetReactionTorque(Time.fixedDeltaTime);
}
else if (Joint is WheelJoint2D)
{
var specificJoint = Joint as WheelJoint2D;
reactionForce = Vector2.zero;
reactionTorque = specificJoint.GetMotorTorque(Time.fixedDeltaTime);
}
else
{
Debug.LogWarning("Unsupported joint type: " + Joint.GetType().Name, this);
Destroy(this);
return;
}
if (reactionForce.magnitude >= DebugPrint_MinForce)
{
print(
"reactionForce: " + reactionForce.magnitude +
", reactionTorque: " + reactionTorque
);
}
if (reactionForce.magnitude > BreakForce || reactionTorque > BreakTorque)
{
var messageData = new BrokenJointData()
{
BreakableJoint = this,
Force = reactionForce,
Torque = reactionTorque
};
SendMessage(BrokenJointData.MessageName, messageData, SendMessageOptions.DontRequireReceiver);
if (BreakBehaviour == JointBreakBehaviour.Disable)
{
Joint.enabled = false;
}
else if (BreakBehaviour == JointBreakBehaviour.Destroy)
{
Destroy(Joint);
}
}
}
void OnJointBreak2D(BrokenJointData brokenJointData)
{
footWeldDestroyedTimestamp = Time.fixedTime;
}
