/// <summary>
/// Create a spherical bounds inside of a Renderer bounds.
/// It'll take every meshes found in the hierarchy into account.
/// </summary>
/// <param name="go">GameObject having Renderer component(s).</param>
/// <param name="bounds">Sphere bounds instance in which sphere information will be store.</param>
/// <returns>True if bounds data has been set.</returns>
internal static bool GetSphereBounds(GameObject go, out SphereBounds bounds)
{
Bounds entireObjectBounds = GetHierarchyBounds(go);
bounds = default(SphereBounds);
if (entireObjectBounds.size == Vector3.zero)
{
return(false);
}
bounds.position = entireObjectBounds.center;
bounds.radius = Mathf.Max(entireObjectBounds.extents.x, entireObjectBounds.extents.z);
return(true);
}
private static bool GetSphereBounds(GameObject go, out SphereBounds bounds)
{
bounds = new SphereBounds();
if (go == null)
{
return(false);
}
Mesh mesh = null;
MeshFilter mf = go.GetComponentInChildren <MeshFilter>();
if (mf != null && mf.sharedMesh != null)
{
mesh = mf.sharedMesh;
}
else
{
SkinnedMeshRenderer smr = go.GetComponentInChildren <SkinnedMeshRenderer>();
if (smr != null && smr.sharedMesh != null)
{
mesh = smr.sharedMesh;
}
}
if (mesh != null)
{
Bounds meshBounds = mf.sharedMesh.bounds;
bounds.position = mf.transform.TransformPoint(meshBounds.center - (Vector3.up * meshBounds.extents.y));
bounds.radius = Mathf.Max(meshBounds.extents.x, meshBounds.extents.z);
return(true);
}
return(false);
}
public bool Intersects(SphereBounds other)
{
return(Vector3.Distance(position, other.position) < (radius + other.radius));
}
