/*根据包围盒大小，将物体从ScenenLod剔除计算*/
public static bool CullByMeshOfBound(BVHDivide m_BVHDivide, Transform parent)
{
Bounds bounds = new Bounds();
if (m_BVHDivide.m_CalboundOfChild)
{
Vector3 center = Vector3.zero;
Renderer[] renders = parent.GetComponentsInChildren <Renderer>();
foreach (Renderer child in renders)
{
center += child.bounds.center;
}
center /= renders.Length;
bounds = new Bounds(center, Vector3.zero);
foreach (Renderer child in renders)
{
bounds.Encapsulate(child.bounds);
}
}
else
{
Renderer render = parent.GetComponent <Renderer>();
bounds = render.bounds;
}
float size = Mathf.Max(Mathf.Max(bounds.size.x, bounds.size.y), bounds.size.z);
return(size >= m_BVHDivide.m_BoundCondtionDia);
}
/*剔除*/
public static bool CullByMesh(this BVHDivide m_BVHDivide, Transform parent)
{
bool result = false;
result = CullByMeshOfBound(m_BVHDivide, parent);
return(result);
}