private Renderer IsHit(Transform _transform)
{
TilemapRenderer tilemapRenderer = _transform.GetComponent <TilemapRenderer>();
if (tilemapRenderer)
{
return(tilemapRenderer);
}
return(MouseUtils.IsPixelHit(_transform));
}
/// <summary>
/// Gets the renderers under the mouse, ordered so that highest item comes first
/// </summary>
/// <param name="layerMask">layers to check for hits in</param>
/// <param name="gameObjectFilter"> optional filter to apply to each game object before sorting, the final list will only
/// include spriterenderers whose game objects match the condition</param>
/// <returns>the ordered sprite renderers that were under the mouse, top first</returns>
public static IOrderedEnumerable <SpriteRenderer> GetOrderedObjectsUnderMouse(LayerMask layerMask, Func <GameObject, bool> gameObjectFilter = null)
{
var result = Physics2D.RaycastAll(Camera.main.ScreenToWorldPoint(CommonInput.mousePosition), Vector2.zero, 10f,
layerMask)
//get the hit game object
.Select(hit => hit.collider.transform.gameObject);
if (gameObjectFilter != null)
{
//apply the GO filter
result = result.Where(gameObjectFilter);
}
return(result
//check for a pixel hit
.Select(go => MouseUtils.IsPixelHit(go.transform))
.Where(r => r != null)
//order by sort layer
.OrderByDescending(r => SortingLayer.GetLayerValueFromID(r.sortingLayerID))
//then by sort order
.ThenByDescending(renderer => renderer.sortingOrder));
}