added ghost layer, fixed arrow

app/Game/Client/View/Pixi/Layers/Ghost.js

@@ -0,0 +1,73 @@
+define([
+	"Game/Client/View/Pixi/Layer",
+	"Lib/Vendor/Pixi",
+	"Lib/Utilities/NotificationCenter",
+	"Game/Config/Settings"
+],
+ 
+function (Parent, PIXI, Nc, Settings) {
+ 
+    function Ghost() {
+    	Parent.call(this, "ghost", 0);
+
+		this.ncTokens = [
+            Nc.on(Nc.ns.client.view.playerArrow.createAndAdd, this.onCreateAndAddPlayerArrow, this),
+            Nc.on(Nc.ns.client.view.playerArrow.update, this.onUpdatePlayerArrow, this)
+        ];
+
+    }
+
+    Ghost.prototype = Object.create(Parent.prototype);
+ 
+    Ghost.prototype.onCreateAndAddPlayerArrow = function(callback, options) {
+
+        var arrow = new PIXI.Graphics();
+        arrow.visible = false;
+        this.container.addChild(arrow);
+
+        var width = 12,
+            height = 12;
+
+        arrow.beginFill(0xffffff, 0.1);
+        arrow.lineStyle(0, 0x000000);
+        arrow.moveTo(0, 0);
+        arrow.lineTo(width, 0);
+        arrow.lineTo(width / 2, height);
+        arrow.endFill();
+        arrow.pivot = new PIXI.Point(width/2, height/2);
+        arrow.visible = true;
+
+        this.onUpdatePlayerArrow(arrow, options);
+
+        callback(arrow);
+    };
+
+    Ghost.prototype.onUpdatePlayerArrow = function(arrow, options) {
+
+        var offsetX = 0,
+            offsetY = -60,
+            x = offsetX + options.x,
+            y = offsetY + options.y;
+
+        var target = new PIXI.Point(x, y);
+
+        arrow.position.x += (target.x -arrow.position.x) * Settings.ARROW_GLIDE / 1.5 / 100;
+        arrow.position.y += (target.y -arrow.position.y) * Settings.ARROW_GLIDE / 100;
+
+        var angle = -Math.atan2(arrow.position.x - x, arrow.position.y - options.y);
+        angle += 0.785398163 * 4;
+
+        arrow.rotation = angle;
+    };
+
+    
+
+    Ghost.prototype.destroy = function() {
+        for (var i = 0; i < this.ncTokens.length; i++) {
+            Nc.off(this.ncTokens[i]);
+        };
+    };
+ 
+    return Ghost;
+ 
+});