Method buildConvex

Engine/source/T3D/trigger.cpp:502–538

//--------------------------------------------------------------------------

void Trigger::buildConvex(const Box3F& box, Convex* convex)
{
   // These should really come out of a pool
   mConvexList->collectGarbage();

   Box3F realBox = box;
   mWorldToObj.mul(realBox);
   realBox.minExtents.convolveInverse(mObjScale);
   realBox.maxExtents.convolveInverse(mObjScale);

   if (realBox.isOverlapped(getObjBox()) == false)
      return;

   // Just return a box convex for the entire shape...
   Convex* cc = 0;
   CollisionWorkingList& wl = convex->getWorkingList();
   for (CollisionWorkingList* itr = wl.wLink.mNext; itr != &wl; itr = itr->wLink.mNext) {
      if (itr->mConvex->getType() == BoxConvexType &&
          itr->mConvex->getObject() == this) {
         cc = itr->mConvex;
         break;
      }
   }
   if (cc)
      return;

   // Create a new convex.
   BoxConvex* cp = new BoxConvex;
   mConvexList->registerObject(cp);
   convex->addToWorkingList(cp);
   cp->init(this);

   mObjBox.getCenter(&cp->mCenter);
   cp->mSize.x = mObjBox.len_x() / 2.0f;
   cp->mSize.y = mObjBox.len_y() / 2.0f;
   cp->mSize.z = mObjBox.len_z() / 2.0f;
}

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