public void GenerateContactData()
{
if (_contactInfo == null)
{
return;
}
cpArbiter arb = (cpArbiter)_contactInfo;
_preContactData = _contactData;
_contactData = new CCPhysicsContactData();
for (int i = 0; i < _contactData.count && i < CCPhysicsContactData.POINT_MAX; ++i)
{
_contactData.points[i] = PhysicsHelper.cpVectToCCPoint(arb.GetPointA(i));
}
_contactData.normal = _contactData.count > 0 ? PhysicsHelper.cpVectToCCPoint(arb.GetNormal()) : CCPoint.Zero;
}
