Update steep parallax mapping URL

castle-engine · Jul 3, 2024 · 0f30cc5 · 0f30cc5
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diff --git a/htdocs/demo_models.php b/htdocs/demo_models.php
@@ -150,7 +150,7 @@
 
   <li>lion bump mapping textures from
     <a href="http://www-static.cc.gatech.edu/grads/d/davidp/parallax_mapping/">Philippe
-    David steep parallax mapping code</a>, based on <a href="http://graphics.cs.brown.edu/games/SteepParallax/index.html">paper
+    David steep parallax mapping code</a>, based on <a href="https://www.casual-effects.com/research/McGuire2005Parallax/index.html">paper
     about steep mapping</a>.
 
   <li><p>See also <code>AUTHORS.txt</code> files inside the archive for detailed

diff --git a/htdocs/x3d_implementation_texturing_extensions.php b/htdocs/x3d_implementation_texturing_extensions.php
@@ -293,7 +293,7 @@
 for texture creators: in <a href="http://code.google.com/p/gimp-normalmap/">GIMP
 normal map plugin</a> just set <i>"Alpha Channel"</i> to <i>"Height"</i>.
 A height map allows to use more sophisticated <i>parallax bump mapping</i> algorithm,
-actually we have a full <a href="http://graphics.cs.brown.edu/games/SteepParallax/index.html">steep parallax mapping with
+actually we have a full <a href="https://www.casual-effects.com/research/McGuire2005Parallax/index.html">steep parallax mapping with
 self-shadowing</a> implementation. This can make the effect truly
 amazing, but also slower.</p>