We can move the topOnly check into the update and be done with it

Author: photonstorm

v3/src/input/local/inc/ProcessDownEvents.js

@@ -19,11 +19,6 @@ var ProcessDownEvents = function (pointer)
         this.events.dispatch(new InputEvent.GAME_OBJECT_DOWN(pointer, gameObject));
 
         gameObject.input.onDown(gameObject, pointer, gameObject.input.localX, gameObject.input.localY);
-
-        if (this.topOnly)
-        {
-            break;
-        }
     }
 };
 

v3/src/input/local/inc/ProcessOverOutEvents.js

@@ -11,14 +11,6 @@ var ProcessOverOutEvents = function (pointer)
     var stillOver = [];
     var previouslyOver = this._over[pointer.id];
 
-    if (this.topOnly && currentlyOver.length)
-    {
-        this.sortGameObjects(currentlyOver);
-
-        //  Only the top-most one counts now, ignore the rest
-        currentlyOver.splice(1);
-    }
-
     //  Go through all objects the pointer was previously over, and see if it still is.
     //  Splits the previouslyOver array into two parts: justOut and stillOver
 

v3/src/input/local/inc/ProcessUpEvents.js

@@ -19,11 +19,6 @@ var ProcessUpEvents = function (pointer)
         this.events.dispatch(new InputEvent.GAME_OBJECT_UP(pointer, gameObject));
 
         gameObject.input.onUp(gameObject, pointer, gameObject.input.localX, gameObject.input.localY);
-
-        if (this.topOnly)
-        {
-            break;
-        }
     }
 };
 

v3/src/input/local/inc/Update.js

@@ -23,6 +23,12 @@ var Update = function (time, delta)
 
         this.sortGameObjects(this._temp);
 
+        if (this.topOnly && this._temp.length)
+        {
+            //  Only the top-most one counts now, so safely ignore the rest
+            this._temp.splice(1);
+        }
+
         this.processDragEvents(pointer, time);
 
         this.processOverOutEvents(pointer);