Merge pull request phaserjs#2672 from bobonthenet/master

Weapon.Fire now tracks offset rotation

Author: photonstorm

src/plugins/weapon/WeaponPlugin.js

@@ -730,14 +730,38 @@ Phaser.Weapon.prototype.fire = function (from, x, y) {
     }
     else if (this.trackedSprite)
     {
-        if (this.fireFrom.width > 1)
+        if (this.trackRotation)
         {
-            this.fireFrom.centerOn(this.trackedSprite.world.x + this.trackOffset.x, this.trackedSprite.world.y + this.trackOffset.y);
+            if(!this.rotatedPoint)
+            {
+              this.rotatedPoint = new Phaser.Point(this.trackedSprite.world.x + this.trackOffset.x, this.trackedSprite.world.y + this.trackOffset.y);
+            } else {
+              this.rotatedPoint.x = this.trackedSprite.world.x + this.trackOffset.x;
+              this.rotatedPoint.y = this.trackedSprite.world.y + this.trackOffset.y;
+            }
+            this.rotatedPoint.rotate(this.trackedSprite.world.x, this.trackedSprite.world.y, this.trackedSprite.rotation);
+
+            if (this.fireFrom.width > 1)
+            {
+                this.fireFrom.centerOn(this.rotatedPoint.x, this.rotatedPoint.y);
+            }
+            else
+            {
+                this.fireFrom.x = this.rotatedPoint.x;
+                this.fireFrom.y = this.rotatedPoint.y;
+            }
         }
         else
         {
-            this.fireFrom.x = this.trackedSprite.world.x + this.trackOffset.x;
-            this.fireFrom.y = this.trackedSprite.world.y + this.trackOffset.y;
+            if (this.fireFrom.width > 1)
+            {
+                this.fireFrom.centerOn(this.trackedSprite.world.x + this.trackOffset.x, this.trackedSprite.world.y + this.trackOffset.y);
+            }
+            else
+            {
+                this.fireFrom.x = this.trackedSprite.world.x + this.trackOffset.x;
+                this.fireFrom.y = this.trackedSprite.world.y + this.trackOffset.y;
+            }
         }
 
         if (this.bulletInheritSpriteSpeed)