/// <summary>
/// help method to sort units in the right subtree based on thier position in the quad
/// </summary>
void AddObjectToSubTrees(Agent agent)
{
var pos = agent.position.ToWorld();
if (pos.X < Quad.Center.X)
{
if (pos.Y < Quad.Center.Y)
{
BottomLeft.AddObject(agent);
}
else
{
TopLeft.AddObject(agent);
}
}
else
{
if (pos.Y < Quad.Center.Y)
{
BottomRight.AddObject(agent);
}
else
{
TopRight.AddObject(agent);
}
}
}