/// <summary>
/// Construct a world object.
/// </summary>
/// <param name="worldAABB">A bounding box that completely encompasses all your shapes.</param>
/// <param name="gravity">The world gravity vector.</param>
/// <param name="doSleep">Improve performance by not simulating inactive bodies.</param>
public World(Vector2 gravity)
{
m_destructionListener = null;
m_debugDraw = null;
m_bodyList = null;
m_jointList = null;
m_bodyCount = 0;
m_jointCount = 0;
m_warmStarting = true;
m_continuousPhysics = true;
m_subStepping = false;
m_stepComplete = true;
m_allowSleep = true;
m_gravity = gravity;
m_newContacts = false;
m_locked = false;
m_clearForces = true;
m_inv_dt0 = 0.0f;
m_contactManager = new ContactManager();
}
/// <summary>
/// Construct a world object.
/// </summary>
/// <param name="gravity">the world gravity vector.</param>
/// <param name="doSleep">improve performance by not simulating inactive bodies.</param>
public World(Vec2 gravity, IWorldPool argPool)
{
contactStacks = new ContactRegister[ShapeTypesCount][];
for (int i = 0; i < ShapeTypesCount; i++)
{
contactStacks[i] = new ContactRegister[ShapeTypesCount];
}
pool = argPool;
m_destructionListener = null;
m_debugDraw = null;
m_bodyList = null;
m_jointList = null;
m_bodyCount = 0;
m_jointCount = 0;
m_warmStarting = true;
m_continuousPhysics = true;
m_subStepping = false;
m_stepComplete = true;
m_allowSleep = true;
m_gravity.set_Renamed(gravity);
m_flags = CLEAR_FORCES;
m_inv_dt0 = 0f;
m_contactManager = new ContactManager(this);
m_profile = new Profile();
initializeRegisters();
}
/// Destroy a rigid body given a definition. No reference to the definition
/// is retained. This function is locked during callbacks.
/// @warning This automatically deletes all associated shapes and joints.
/// @warning This function is locked during callbacks.
public void DestroyBody(Body b)
{
Debug.Assert(_bodyCount > 0);
Debug.Assert(!IsLocked);
if (IsLocked)
{
return;
}
// Delete the attached joints.
JointEdge je = b._jointList;
while (je != null)
{
JointEdge je0 = je;
je = je.Next;
if (DestructionListener != null)
{
DestructionListener.SayGoodbye(je0.Joint);
}
DestroyJoint(je0.Joint);
}
b._jointList = null;
// Delete the attached contacts.
ContactEdge ce = b._contactList;
while (ce != null)
{
ContactEdge ce0 = ce;
ce = ce.Next;
_contactManager.Destroy(ce0.Contact);
}
b._contactList = null;
// Delete the attached fixtures. This destroys broad-phase proxies.
Fixture f = b._fixtureList;
while (f != null)
{
Fixture f0 = f;
f = f._next;
if (DestructionListener != null)
{
DestructionListener.SayGoodbye(f0);
}
f0.DestroyProxy(_contactManager._broadPhase);
f0.Destroy();
}
b._fixtureList = null;
b._fixtureCount = 0;
// Remove world body list.
if (b._prev != null)
{
b._prev._next = b._next;
}
if (b._next != null)
{
b._next._prev = b._prev;
}
if (b == _bodyList)
{
_bodyList = b._next;
}
--_bodyCount;
}
public static void OnDestroy(this GameObject go, Action callback)
{
DestructionListener listener = go.GetOrCreate <DestructionListener>();
listener.Initialize(callback);
}
public World(Vec2 gravity, IWorldPool pool, BroadPhase broadPhase)
{
this.pool = pool;
m_destructionListener = null;
m_debugDraw = null;
m_bodyList = null;
m_jointList = null;
m_bodyCount = 0;
m_jointCount = 0;
m_warmStarting = true;
m_continuousPhysics = true;
m_subStepping = false;
m_stepComplete = true;
m_allowSleep = true;
m_gravity.set(gravity);
m_flags = CLEAR_FORCES;
m_inv_dt0 = 0f;
m_contactManager = new ContactManager(this, broadPhase);
m_profile = new Profile();
m_particleSystem = new ParticleSystem(this);
for (int i = 0; i < contactStacks.Length; i++)
{
contactStacks[i] = new ContactRegister[Enum.GetValues(typeof (ShapeType)).Length];
}
initializeRegisters();
}
/**
* Register a destruction listener. The listener is owned by you and must remain in scope.
*
* @param listener
*/
public void setDestructionListener(DestructionListener listener)
{
m_destructionListener = listener;
}
