PointScreenToWorldHitTest added to Global Input Manager

v3/src/camera/Camera.js

@@ -70,15 +70,24 @@ var Camera = new Class({
         for (var index = 0; index < length; ++index)
         {
             var object = renderableObjects[index];
-            var objectW = object.width;
-            var objectH = object.height;
-            var objectX = (object.x - (scrollX * object.scrollFactorX)) - (objectW * object.originX);
-            var objectY = (object.y - (scrollY * object.scrollFactorY)) - (objectH * object.originY);
-            var cullW = cameraW + objectW;
-            var cullH = cameraH + objectH;
 
-            if (objectX > -objectW && objectY > -objectH &&
+            /* Not every renderable object has a dimension */ 
-                objectX < cullW && objectY < cullH)
+            if (typeof object.width === 'number')
+            {
+                var objectW = object.width;
+                var objectH = object.height;
+                var objectX = (object.x - (scrollX * object.scrollFactorX)) - (objectW * object.originX);
+                var objectY = (object.y - (scrollY * object.scrollFactorY)) - (objectH * object.originY);
+                var cullW = cameraW + objectW;
+                var cullH = cameraH + objectH;
+
+                if (objectX > -objectW && objectY > -objectH &&
+                    objectX < cullW && objectY < cullH)
+                {
+                    culledObjects.push(object);
+                }
+            }
+            else
             {
                 culledObjects.push(object);
             }

v3/src/camera/IntersectGameObject.js

@@ -1,6 +0,0 @@
-var IntersectGameObject = function (point, gameObjectArray, camera)
-{
-    return false;
-};
-
-module.exports = IntersectGameObject;

v3/src/input/GlobalInputManager.js

@@ -8,6 +8,7 @@ var Mouse = require('./mouse/MouseManager');
 var MouseEvent = require('./mouse/events/');
 var PointWithinGameObject = require('./components/PointWithinGameObject');
 var TransformMatrix = require('../gameobjects/components/TransformMatrix');
+var PointScreenToWorldHitTest = require('./components/PointScreenToWorldHitTest');
 
 var GlobalInputManager = new Class({
 
@@ -32,6 +33,7 @@ var GlobalInputManager = new Class({
 
         this._tempMatrix = new TransformMatrix();
         this._tempPoint = { x: 0, y: 0 };
+        this._tempHitTest = [];
     },
 
     /**
@@ -92,6 +94,11 @@ var GlobalInputManager = new Class({
     pointWithinGameObject: function (gameObject, x, y)
     {
         return PointWithinGameObject(gameObject, x, y);
+    },
+
+    pointScreenToWorldHitTest: function (gameObjects, x, y, camera)
+    {
+        return PointScreenToWorldHitTest(this._tempMatrix, x, y, gameObjects, camera, this._tempHitTest);
     }
 
 });

v3/src/input/components/PointScreenToWorldHitTest.js

@@ -0,0 +1,45 @@
+var GetTransformedPoint = require('./GetTransformedPoint');
+var PointWithinGameObject = require('./PointWithinGameObject');
+
+var PointScreenToWorldHitTest = function (tempMatrix, x, y, gameObjectArray, camera, output) 
+{
+    var length = gameObjectArray.length;
+    var scrollX = camera.scrollX;
+    var scrollY = camera.scrollY;
+    var cameraW = camera.width;
+    var cameraH = camera.height;
+
+    output.length = 0;
+
+    if (gameObjectArray instanceof Array)
+    {
+        var culled = camera.cull(gameObjectArray);
+        var culledLength = culled.length;
+
+        for (var index = 0; index < culledLength; ++index)
+        {
+            var object = culled[index];
+            var tpoint = GetTransformedPoint(tempMatrix, object, x + scrollX * object.scrollFactorX, y + scrollY * object.scrollFactorY);
+
+            if (PointWithinGameObject(object, tpoint.x, tpoint.y))
+            {
+                output.push(object);
+            }
+        }
+
+        return output;
+    }
+    else
+    {
+        var tpoint = GetTransformedPoint(tempMatrix, object, x + scrollX * object.scrollFactorX, y + scrollY * object.scrollFactorY);
+        
+        if (PointWithinGameObject(object, tpoint.x, tpoint.y))
+        {
+            return object;
+        }
+    }
+
+    return null;
+};
+
+module.exports = PointScreenToWorldHitTest;