Added 3D window to GameView3D to begin adding assets to. Used it to refine all 3D assets implemented by ModelFactory and manually test that they work.

#implement #test

src/main/java/seng302/visualiser/fxObjects/assets_2D/WindArrow.java

@@ -0,0 +1,25 @@
+package seng302.visualiser.fxObjects.assets_2D;
+
+import javafx.scene.paint.Paint;
+import javafx.scene.shape.Polyline;
+import javafx.scene.shape.StrokeLineCap;
+import javafx.scene.shape.StrokeLineJoin;
+
+/**
+ * Created by cir27 on 5/09/17.
+ */
+public class WindArrow extends Polyline {
+    public WindArrow(Paint fill) {
+        this.getPoints().addAll(
+            -10d, 15d,
+            0d, 25d,
+            0d, -25d,
+            0d, 25d,
+            10d, 15d
+        );
+        this.setStrokeLineCap(StrokeLineCap.ROUND);
+        this.setStroke(fill);
+        this.setStrokeWidth(5);
+        this.setStrokeLineJoin(StrokeLineJoin.ROUND);
+    }
+}