fixed drop error. added carrier velocity

app/Game/Client/Control/Swiper.js

@@ -77,6 +77,15 @@ function (Nc) {
     Swiper.prototype.swipeEnd = function(x, y) {
 	    var angularVelocity = this.angleSum;
 	    var length = this.lengthSum;
+
+        if (this.points.length < 1) {
+            return {
+                x: 0,
+                y: 0,
+                av: 0
+            }
+        }
+
 	    var p0x = this.points[0].x;
 	    var p0y = this.points[0].y;
 	    var sumx = 0;

app/Game/Core/GameObjects/Doll.js

@@ -359,7 +359,12 @@ function (Parent, Box2D, Settings, CollisionDetector, Item, Nc) {
         this.holdingJoint = null;
         this.holdingItem = null;
 
-        item.throw(options);
+        var dollVelocity = {
+            x: this.body.GetLinearVelocity().x
+            y: this.body.GetLinearVelocity().y
+        };
+
+        item.throw(options, dollVelocity);
     };
 
     Doll.prototype.isAnotherPlayerNearby = function() {

app/Game/Core/GameObjects/Item.js

@@ -129,13 +129,13 @@ function (Parent, Box2D, Options, Settings, Exception, Nc) {
         return this.body.GetWorldCenter();
     };
 
-    Item.prototype.throw = function(options) {
+    Item.prototype.throw = function(options, carrierVelocity) {
         var body = this.body;
         body.SetAwake(true);
 
         var vector = new Box2D.Common.Math.b2Vec2(
-            options.x * Settings.MAX_THROW_FORCE / this.options.weight,
+            options.x * Settings.MAX_THROW_FORCE / this.options.weight + carrierVelocity.x,
-            -options.y * Settings.MAX_THROW_FORCE / this.options.weight
+            -options.y * Settings.MAX_THROW_FORCE / this.options.weight + carrierVelocity.y
         );
         this.body.SetLinearVelocity(vector);