cpContactInit(cpContact con, cpVect p, cpVect n, double dist, cpHashValue hash)
{
con.p = p;
con.n = n;
con.dist = dist;
con.jnAcc = 0.0f;
con.jtAcc = 0.0f;
con.jBias = 0.0f;
con.hash = hash;
return con;
}
cpSpaceHashInsert(cpSpaceHash *hash, object obj, cpHashValue hashid)
{
cpHandle *hand = (cpHandle *)cpHashSetInsert(hash.handleSet, hashid, obj, hash, (cpHashSetTransFunc)handleSetTrans);
hashHandle(hash, hand, hash.spatialIndex.bbfunc(obj));
}
cpSpaceHashRemove(cpSpaceHash *hash, object obj, cpHashValue hashid)
{
cpHandle *hand = (cpHandle *)cpHashSetRemove(hash.handleSet, hashid, obj);
if(hand){
hand.obj = null;
cpHandleRelease(hand, hash.pooledHandles);
}
}
hash_func(cpHashValue x, cpHashValue y, cpHashValue n)
{
return (x*1640531513ul ^ y*2654435789ul) % n;
}
