// We need separation create/destroy functions from the constructor/destructor because
// the destructor cannot access the allocator (no destructor arguments allowed by C++).
public void Create(Body body, FixtureDef def)
{
UserData = def.UserData;
Friction = def.Friction;
Restitution = def.Restitution;
Body = body;
Next = null;
Filter.Set(def.Filter);
IsSensor = def.IsSensor;
Shape = def.Shape.Clone();
// Reserve proxy space
int childCount = Shape.ChildCount;
if (Proxies == null)
{
Proxies = new FixtureProxy[childCount];
for (int i = 0; i < childCount; i++)
{
Proxies[i] = new FixtureProxy {
Fixture = null, ProxyId = BroadPhase.NULL_PROXY
};
}
}
if (Proxies.Length < childCount)
{
FixtureProxy[] old = Proxies;
int newLen = MathUtils.Max(old.Length * 2, childCount);
Proxies = new FixtureProxy[newLen];
Array.Copy(old, 0, Proxies, 0, old.Length);
for (int i = 0; i < newLen; i++)
{
if (i >= old.Length)
{
Proxies[i] = new FixtureProxy();
}
Proxies[i].Fixture = null;
Proxies[i].ProxyId = BroadPhase.NULL_PROXY;
}
}
ProxyCount = 0;
m_density = def.Density;
}
