void LLDrawable::updateBinRadius()
{
if (mVObjp.notNull())
{
setBinRadius(llmin(mVObjp->getBinRadius(), 256.f));
}
else
{
setBinRadius(llmin(getRadius()*4.f, 256.f));
}
}
void LLVOCacheEntry::setBoundingInfo(const LLVector3& pos, const LLVector3& scale)
{
LLVector4a center, newMin, newMax;
center.load3(pos.mV);
LLVector4a size;
size.load3(scale.mV);
newMin.setSub(center, size);
newMax.setAdd(center, size);
setPositionGroup(center);
setSpatialExtents(newMin, newMax);
if(getNumOfChildren() > 0) //has children
{
updateParentBoundingInfo();
}
else
{
setBinRadius(llmin(size.getLength3().getF32() * 4.f, 256.f));
}
}
//make the parent bounding box to include this child
void LLVOCacheEntry::updateParentBoundingInfo(const LLVOCacheEntry* child)
{
const LLVector4a* child_exts = child->getSpatialExtents();
LLVector4a newMin, newMax;
newMin = child_exts[0];
newMax = child_exts[1];
//move to regional space.
{
const LLVector4a& parent_pos = getPositionGroup();
newMin.add(parent_pos);
newMax.add(parent_pos);
}
//update parent's bbox(min, max)
const LLVector4a* parent_exts = getSpatialExtents();
update_min_max(newMin, newMax, parent_exts[0]);
update_min_max(newMin, newMax, parent_exts[1]);
for(S32 i = 0; i < 4; i++)
{
llclamp(newMin[i], 0.f, 256.f);
llclamp(newMax[i], 0.f, 256.f);
}
setSpatialExtents(newMin, newMax);
//update parent's bbox center
LLVector4a center;
center.setAdd(newMin, newMax);
center.mul(0.5f);
setPositionGroup(center);
//update parent's bbox size vector
LLVector4a size;
size.setSub(newMax, newMin);
size.mul(0.5f);
setBinRadius(llmin(size.getLength3().getF32() * 4.f, 256.f));
}
void LLSpatialBridge::updateBinRadius()
{
setBinRadius(llmin( mOctree->getSize()[0]*0.5f, 256.f));
}
