public World(AABB worldAABB, Vec2 gravity, bool doSleep)
{
this._destructionListener = null;
this._boundaryListener = null;
this._contactFilter = WorldCallback.DefaultFilter;
this._contactListener = null;
this._debugDraw = null;
this._bodyList = null;
this._contactList = null;
this._jointList = null;
this._bodyCount = 0;
this._contactCount = 0;
this._jointCount = 0;
this._warmStarting = true;
this._continuousPhysics = true;
this._allowSleep = doSleep;
this._gravity = gravity;
this._lock = false;
this._inv_dt0 = 0f;
this._contactManager = new ContactManager();
this._contactManager._world = this;
this._broadPhase = new BroadPhase(worldAABB, this._contactManager);
BodyDef def = new BodyDef();
this._groundBody = this.CreateBody(def);
}
public ContactManager()
{
_broadPhase = new BroadPhase();
_defaultFilter = new ContactFilter();
_defaultListener = new ContactListener();
_contactList = null;
_contactCount = 0;
_contactFilter = _defaultFilter;
_contactListener = _defaultListener;
}
public ContactManager()
{
_broadPhase = new BroadPhase();
_defaultFilter = new ContactFilter();
_defaultListener = new ContactListener();
_contactList = null;
_contactCount = 0;
_contactFilter = _defaultFilter;
_contactListener = _defaultListener;
}
/// <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(AABB worldAABB, Vec2 gravity, bool doSleep)
{
_destructionListener = null;
_boundaryListener = null;
_contactFilter = WorldCallback.DefaultFilter;
_contactListener = null;
_debugDraw = null;
_bodyList = null;
_contactList = null;
_jointList = null;
_bodyCount = 0;
_contactCount = 0;
_jointCount = 0;
_warmStarting = true;
_continuousPhysics = true;
_allowSleep = doSleep;
_gravity = gravity;
_lock = false;
_inv_dt0 = 0.0f;
_contactManager = new ContactManager();
_contactManager._world = this;
_broadPhase = new BroadPhase(worldAABB, _contactManager);
BodyDef bd = new BodyDef();
_groundBody = CreateBody(bd);
}
/// <summary>
/// Register a contact filter to provide specific control over collision.
/// Otherwise the default filter is used (b2_defaultFilter).
/// </summary>
/// <param name="filter"></param>
public void SetContactFilter(ContactFilter filter)
{
_contactFilter = filter;
}
/// <summary>
/// Register a contact filter to provide specific control over collision.
/// Otherwise the default filter is used (b2_defaultFilter).
/// </summary>
/// <param name="filter"></param>
public void SetContactFilter(ContactFilter filter)
{
_contactManager._contactFilter = filter;
}