// Transformation function for contactSet.
static void *
contactSetTrans(cpShape **shapes, cpSpace *space)
{
if(space->pooledArbiters->num == 0){
// arbiter pool is exhausted, make more
int count = CP_BUFFER_BYTES/sizeof(cpArbiter);
cpAssert(count, "Buffer size too small.");
cpArbiter *buffer = (cpArbiter *)cpmalloc(CP_BUFFER_BYTES);
cpArrayPush(space->allocatedBuffers, buffer);
for(int i=0; i<count; i++) cpArrayPush(space->pooledArbiters, buffer + i);
}
return cpArbiterInit((cpArbiter *) cpArrayPop(space->pooledArbiters), shapes[0], shapes[1]);
}
cpArbiter*
cpArbiterNew(cpShape *a, cpShape *b)
{
return cpArbiterInit(cpArbiterAlloc(), a, b);
}
cpArbiter*
cpArbiterNew(cpShape *a, cpShape *b, int stamp)
{
return cpArbiterInit(cpArbiterAlloc(), a, b, stamp);
}
