/// <summary>
/// Initializes a new instance of the <see cref="BroadPhase" /> class
/// </summary>
/// <param name="worldAabb">The world aabb</param>
/// <param name="callback">The callback</param>
public BroadPhase(Aabb worldAabb, PairCallback callback)
{
PairManager = new PairManager();
PairManager.Initialize(this, callback);
Box2DxDebug.Assert(worldAabb.IsValid);
WorldAabb = worldAabb;
ProxyCount = 0;
Vec2 d = worldAabb.UpperBound - worldAabb.LowerBound;
QuantizationFactor.X = BroadphaseMax / d.X;
QuantizationFactor.Y = BroadphaseMax / d.Y;
for (ushort i = 0; i < Settings.MaxProxies - 1; ++i)
{
ProxyPool[i] = new Proxy();
ProxyPool[i].Next = (ushort)(i + 1);
ProxyPool[i].TimeStamp = 0;
ProxyPool[i].OverlapCount = Invalid;
ProxyPool[i].UserData = null;
}
ProxyPool[Settings.MaxProxies - 1] = new Proxy();
ProxyPool[Settings.MaxProxies - 1].Next = PairManager.NullProxy;
ProxyPool[Settings.MaxProxies - 1].TimeStamp = 0;
ProxyPool[Settings.MaxProxies - 1].OverlapCount = Invalid;
ProxyPool[Settings.MaxProxies - 1].UserData = null;
freeProxy = 0;
TimeStamp = 1;
QueryResultCount = 0;
for (int i = 0; i < 2; i++)
{
Bounds[i] = new Bound[2 * Settings.MaxProxies];
}
int bCount = 2 * Settings.MaxProxies;
for (int j = 0; j < 2; j++)
{
for (int k = 0; k < bCount; k++)
{
Bounds[j][k] = new Bound();
}
}
}
/// <summary>
/// Initializes the broad phase
/// </summary>
/// <param name="broadPhase">The broad phase</param>
/// <param name="callback">The callback</param>
public void Initialize(BroadPhase broadPhase, PairCallback callback)
{
BroadPhase = broadPhase;
Callback = callback;
}