Make the mandelwow corona fade slower.

diff --git a/mandelwow.frag b/mandelwow.frag
index c2e4e2d728c2fb45b36b49c26bd1e56fc3583389..0551a342450b982d2e5522243da7812f9ac79bad 100644 (file)
--- a/mandelwow.frag
+++ b/mandelwow.frag
@@ -12,7 +12,7 @@ void main() {
         float zy2 = zy * zy;
         if (zx2 * zy2 > 4.0) {
           float index = float(iter) / float(maxiter);
-          gl_FragColor = vec4(index, 0.1, 1.0 - index / 2.0, 0.8 - index);
+          gl_FragColor = vec4(index, 0.1, 1.0 - index / 2.0, 0.8 - index * index);
           return;
         }
         zy = zx * zy * 2.0 + c.y;