Added scroll view and DrawRect to GLDraw

Assets/Fungus/FungusScript/Editor/GLDraw.cs

@@ -86,6 +86,20 @@ public class GLDraw
 		clippingEnabled = false;
 	}
 
+	public static Vector2 BeginScrollView(Rect position, Vector2 scrollPos, Rect viewRect, Rect clipRect)
+	{
+		clippingEnabled = true;
+		clippingBounds = clipRect;
+		return GUI.BeginScrollView(position, scrollPos, viewRect);
+	}
+	
+	public static void EndScrollView()
+	{
+		GUI.EndScrollView();
+		clippingBounds = new Rect(0, 0, Screen.width, Screen.height);
+		clippingEnabled = false;
+	}
+
     public static void CreateMaterial()
     {
         if (lineMaterial != null)
@@ -146,6 +160,25 @@ public class GLDraw
         GL.End();
     }
 
+	public static void DrawRect(Rect rect, Color color)
+	{
+		if (Event.current == null)
+			return;
+		if (Event.current.type != EventType.repaint)
+			return;
+
+		CreateMaterial();
+		// set the current material
+		lineMaterial.SetPass( 0 );
+		GL.Begin( GL.QUADS );
+		GL.Color( color );
+		GL.Vertex3( rect.xMin, rect.yMin, 0 );
+		GL.Vertex3( rect.xMax, rect.yMin, 0 );
+		GL.Vertex3( rect.xMax, rect.yMax, 0 );
+		GL.Vertex3( rect.xMin, rect.yMax, 0 );
+		GL.End();
+	}
+
     public static void DrawBox(Rect box, Color color, float width)
     {
         Vector2 p1 = new Vector2(box.xMin, box.yMin);