protected void EndDrag()
{
selectionImage.enabled = false;
RaycastHit hit = RaycastToGround();
dragEndPos = hit.point;
if (dragStartPos != null && dragEndPos != null)
{
Vector3 midPoint = (dragStartPos + dragEndPos) / 2;
Vector3 extents = new Vector3(Mathf.Abs((dragStartPos - midPoint).x), 100, Mathf.Abs((dragStartPos - midPoint).z));
Collider[] objectsHoveredOver = Physics.OverlapBox(midPoint, extents);
foreach (Collider c in objectsHoveredOver)
{
SelectableComponent selectableComponent = c.GetComponent <SelectableComponent>();
if (selectableComponent != null)
{
selectedObjects.Add(selectableComponent);
selectableComponent.GetComponent <MyObject>().OnGameObjectDisabled += Deselect;
selectableComponent.Select();
}
}
}
}
private void Highlight(SelectableComponent selectableComponent)
{
if (selectableComponent == null)
{
return;
}
var renderer = selectableComponent.GetComponent <Renderer>();
// selected object have a renderer - highlight it
if (renderer != null)
{
// memorize original material for selected object
_rendererOriginalMaterials[renderer] = renderer.material;
renderer.material = _highlightMaterial;
}
}
private void UnHighlight(SelectableComponent selectableComponent)
{
if (selectableComponent == null)
{
return;
}
var renderer = selectableComponent.GetComponent <Renderer>();
// previously selected object have a renderer - unhighlight it
if (renderer != null)
{
if (!_rendererOriginalMaterials.ContainsKey(renderer))
{
return;
}
// restore original material on previously selected object
var originalMaterial = _rendererOriginalMaterials[renderer];
_rendererOriginalMaterials.Remove(renderer);
renderer.material = originalMaterial;
}
}