Adding Ref.: Frustum-Culling, Max Wagner

1 files changed, 12 insertions, 10 deletions

diff --git a/src/jogl/classes/com/jogamp/opengl/math/geom/Frustum.java b/src/jogl/classes/com/jogamp/opengl/math/geom/Frustum.java
index b98d4ae0a..1b732e51b 100644
--- a/src/jogl/classes/com/jogamp/opengl/math/geom/Frustum.java
+++ b/src/jogl/classes/com/jogamp/opengl/math/geom/Frustum.java
@@ -33,20 +33,22 @@ import com.jogamp.common.os.Platform;
  * Derived Frustum of premultiplied projection * modelview matrix
  * exposing {@link #isOutside(AABBox)} test and the {@link #getPlanes() planes} itself.
  * <p>
- * Implementation follows the following paper:<br/>
- *   http://graphics.cs.ucf.edu/cap4720/fall2008/plane_extraction.pdf
+ * Implementation of the world-frustum planes follows the following paper:
  * <pre>
- * Fast Extraction of Viewing Frustum Planes from 
- * the World-View-Projection Matrix
- * Authors (in alphabetical order):
+ * Fast Extraction of Viewing Frustum Planes from the World-View-Projection Matrix
  *   Gil Gribb <[email protected]>
  *   Klaus Hartmann <[email protected]>
- * 06/15/2001
+ *   http://graphics.cs.ucf.edu/cap4720/fall2008/plane_extraction.pdf
+ * </pre>
+ * Fundamentals about Planes, Half-Spaces and Frustum-Culling:<br/>
+ * <pre>
+ * Planes and Half-Spaces,  Max Wagner <[email protected]>
+ * http://www.emeyex.com/site/tuts/PlanesHalfSpaces.pdf
+ * </pre>
+ * <pre>
+ * Frustum Culling,  Max Wagner <[email protected]>
+ * http://www.emeyex.com/site/tuts/FrustumCulling.pdf
  * </pre>
- * </p>
- * <p>
- * Further reference: Planes and Half-Spaces,  Max Wagner <[email protected]><br/>
- *   http://www.emeyex.com/site/tuts/PlanesHalfSpaces.pdf
  * </p>
  */
 public class Frustum {