Fixed Ui components with alpha=0 being hoverable and clickable

TODO

@@ -6,6 +6,7 @@
 * Character sheet: paginate loot and shop items
 * Character sheet: improve eye-catching for shop and loot section
 * Shops: add equipment pricing, with usage depreciation
+* Fix targetting not resetting when using action shortcuts
 * Add battle statistics and/or critics in outcome dialog
 * Add battle experience and feedback on level up
 * Ensure that tweens and particle emitters get destroyed once animation is done (or view changes)

src/ui/common/Animation.ts

@@ -26,6 +26,7 @@ module TS.SpaceTac.UI {
         static fadeOut(game: Phaser.Game, obj: PIXI.DisplayObject, duration: number = 1000): void {
             var tween = game.tweens.create(obj);
             tween.to({ alpha: 0 }, duration);
+            tween.onComplete.addOnce(() => obj.visible = false);
             tween.start();
         }