//---------------------------------------------------------------------
QuadNode <A> newQuadNode(_eQuadTreeLeaf leaf, QuadNodeObjectFactory <A> node_object_factory)
{
QuadNode <A> node = new QuadNode <A>();
node.create(mDepth + 1, mQuadTree, (A)mArea.getArea(leaf), node_object_factory);
return(node);
}
//---------------------------------------------------------------------
public IArea getArea(_eQuadTreeLeaf leaf)
{
float half_size_x = mSize.x * 0.5f;
float half_size_y = mSize.y * 0.5f;
EbVector3 half_size = mSize * 0.5f;
switch (leaf)
{
case _eQuadTreeLeaf.UR:
return new RectArea(mOrigin + new EbVector3(half_size_x, half_size_y, 0), half_size);
case _eQuadTreeLeaf.UL:
return new RectArea(mOrigin + new EbVector3(0, half_size_y, 0), half_size);
case _eQuadTreeLeaf.LL:
return new RectArea(mOrigin, half_size);
default://LR
return new RectArea(mOrigin + new EbVector3(half_size_x, 0, 0), half_size);
}
}
//---------------------------------------------------------------------
public IArea getArea(_eQuadTreeLeaf leaf)
{
float half_size_x = mSize.x * 0.5f;
float half_size_y = mSize.y * 0.5f;
EbVector3 half_size = mSize * 0.5f;
switch (leaf)
{
case _eQuadTreeLeaf.UR:
return(new RectArea(mOrigin + new EbVector3(half_size_x, half_size_y, 0), half_size));
case _eQuadTreeLeaf.UL:
return(new RectArea(mOrigin + new EbVector3(0, half_size_y, 0), half_size));
case _eQuadTreeLeaf.LL:
return(new RectArea(mOrigin, half_size));
default: //LR
return(new RectArea(mOrigin + new EbVector3(half_size_x, 0, 0), half_size));
}
}