invalid output range - fixed

2014-02-04 16:09:36 +00:00 · 2014-02-04 16:09:36 +00:00 · 0950b97775
parent c4f4ed3360
commit 0950b97775
1 changed files with 1 additions and 1 deletions
--- a/vcg/math/perlin_noise.h
+++ b/vcg/math/perlin_noise.h
@ -37,7 +37,7 @@ class Perlin
 public:

  /// 3D Perlin noise
-  /// return a value in the 0..1 range with period 255
+  /// return a value in the -1..1 range with period 255
   static double Noise(double x, double y, double z) {
      int X = (int)floor(x) & 255,                  // FIND UNIT CUBE THAT
          Y = (int)floor(y) & 255,                  // CONTAINS POINT.