X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fsixth%2Fe3d%2Fgui%2FViewRenderListener.java;h=befbd6ef852726fb9566ef8df46b60896639ab01;hb=HEAD;hp=e70fcdc066ee54a8941bf30f3e6a8f6d11d01bdf;hpb=59baa428fb2d9e7f0fe5423f4cea47f2d6245914;p=sixth-3d.git

diff --git a/src/main/java/eu/svjatoslav/sixth/e3d/gui/ViewRenderListener.java b/src/main/java/eu/svjatoslav/sixth/e3d/gui/ViewRenderListener.java
index e70fcdc..befbd6e 100644
--- a/src/main/java/eu/svjatoslav/sixth/e3d/gui/ViewRenderListener.java
+++ b/src/main/java/eu/svjatoslav/sixth/e3d/gui/ViewRenderListener.java
@@ -1,24 +1,20 @@
 /*
- * Sixth 3D engine. Copyright ©2012-2019, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 3 of the GNU Lesser General Public License
- * or later as published by the Free Software Foundation.
- *
+ * Sixth 3D engine. Author: Svjatoslav Agejenko.
+ * This project is released under Creative Commons Zero (CC0) license.
  */
-
 package eu.svjatoslav.sixth.e3d.gui;
 
 public interface ViewRenderListener {
 
     /**
-     * Notifies that it is about time to render next frame and
+     * Notifies that it is about time (to keep constant framerate) to render next frame and
      * allows listener to do any related processing that it needs to.
      * <p>
      * Each {@link ViewRenderListener} will be notified exactly once before every frame is rendered.
      * <p>
      * {@link ViewRenderListener} can determine if frame repaint is actually
      * needed from its perspective. Frame will be rendered only if at least one listener says yes.
+     * This mechanism allows to save computing power and energy by skipping frame rendering when possible.
      *
      * @return <code>true</code> if underlying view shall be re-rendered. If at least one of the view update listeners
      * returns <code>true</code>, view is re-rendered.