void
vsCollisionObject::NotifyCollision( vsCollisionObject *other, const vsVector2D &where )
{
colEvent evt;
evt.otherObject = other;
if ( other )
evt.colFlags = evt.otherObject->m_colFlags;
else
evt.colFlags = ColFlag_World;
evt.collisionPoint = where;
CollisionCallback(evt);
}
void World::BroadPhase()
{
double InsertStart = 0.0;
double EraseStart = 0.0;
double IntersectStart = 0.0;
InsertArbiterTime = 0;
EraseArbiterTime = 0;
IntersectTime = 0;
int i, j, sz = ( int )bodies.size();
// O(n^2) broad-phase
for ( i = 0; i < sz; ++i )
{
Body* bi = bodies[i];
for ( j = i + 1; j < sz; ++j )
{
Body* bj = bodies[j];
if ( bi->invMass == 0.0f && bj->invMass == 0.0f ) { continue; }
if ( TimingFunction ) { IntersectStart = TimingFunction(); }
Arbiter newArb( bi, bj );
ArbiterKey key( bi, bj );
if ( TimingFunction ) { IntersectStart = TimingFunction() - IntersectStart; IntersectTime += IntersectStart; }
if ( newArb.numContacts > 0 )
{
if ( TimingFunction ) { InsertStart = TimingFunction(); }
ArbIter iter = arbiters.find( key );
if ( iter == arbiters.end() )
{
arbiters.insert( std::pair<ArbiterKey, Arbiter>( key, newArb ) );
if ( NewCollisionCallback ) { NewCollisionCallback( CollisionUserData, &newArb ); }
}
else
{
iter->second.Update( newArb.contacts, newArb.numContacts );
if ( CollisionCallback ) { CollisionCallback( CollisionUserData, &newArb ); }
}
if ( TimingFunction ) { InsertStart = TimingFunction() - InsertStart; InsertArbiterTime += InsertStart; }
}
else
{
if ( TimingFunction ) { EraseStart = TimingFunction(); }
if ( arbiters.erase( key ) > 0 )
// contact ended
if ( EndCollisionCallback ) { EndCollisionCallback( CollisionUserData, &newArb ); }
if ( TimingFunction ) { EraseStart = TimingFunction() - EraseStart; EraseArbiterTime += EraseStart; }
}
}
}
}
