[hw] rename haxework package to hw

src/main/hw/animate/FadeAnimate.hx

@@ -0,0 +1,20 @@
+package hw.animate;
+
+import hw.animate.Animate;
+import hw.animate.IAnimate;
+
+class FadeAnimate extends Animate {
+
+    override public function start(callback:IAnimate -> Void, custom:Bool = false):Void {
+        object.alpha = 1.0;
+        super.start(callback, custom);
+    }
+
+    override private function update(time:Float):Void {
+        super.update(time);
+        object.alpha = 1 - (progress * 1.0);
+        if (progress >= 1) {
+            object.alpha = 0.0;
+        }
+    }
+}