private void HitTest()
{
if (m_rectTransform.sizeDelta.magnitude < 5f)
{
return;
}
Vector3 center = (m_startMousePosition + m_mouse.VirtualMousePosition) / 2;
center.z = 0.0f;
Bounds selectionBounds = new Bounds(center, m_rectTransform.sizeDelta);
Plane[] frustumPlanes = GeometryUtility.CalculateFrustumPlanes(m_viewport.Camera);
HashSet <GameObject> selection = new HashSet <GameObject>();
Collider[] colliders = FindObjectsOfType <Collider>();
FilteringArgs args = new FilteringArgs();
for (int i = 0; i < colliders.Length; ++i)
{
Collider c = colliders[i];
Bounds bounds = c.bounds;
GameObject go = c.gameObject;
TrySelect(ref selectionBounds, selection, args, ref bounds, go, frustumPlanes);
}
if (Selected != null)
{
Selected(this, new BoxSelectEventArgs(selection.ToArray()));
}
}
private void OnBoxSelectionFiltering(object sender, FilteringArgs e)
{
GameObject go = e.Object;
Voxel voxel = go.GetComponentInParent <Voxel>();
if (voxel == null || !VoxelData.IsControllableUnit(voxel.Type) || voxel.Owner != PlayerIndex)
{
e.Cancel = true;
}
}
private void TrySelect(ref Bounds selectionBounds, HashSet <GameObject> selection, FilteringArgs args, ref Bounds bounds, GameObject go, Plane[] frustumPlanes)
{
bool select;
if (m_method == BoxSelectionMethod.LooseFitting)
{
select = LooseFitting(ref selectionBounds, ref bounds);
}
else if (m_method == BoxSelectionMethod.BoundsCenter)
{
select = BoundsCenter(ref selectionBounds, ref bounds);
}
else
{
select = TransformCenter(ref selectionBounds, go.transform);
}
if (!GeometryUtility.TestPlanesAABB(frustumPlanes, bounds))
{
select = false;
}
if (select)
{
if (!selection.Contains(go))
{
if (Filtering != null)
{
args.Object = go;
Filtering(this, args);
if (!args.Cancel)
{
selection.Add(go);
}
args.Reset();
}
else
{
selection.Add(go);
}
}
}
}
