--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/boxes/3rdparty/fbm.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,40 @@
+/*****************************************************************
+
+  Prototypes for the fractional Brownian motion algorithm. These
+  functions were originally the work of F. Kenton Musgrave.  For
+  documentation of the different functions please refer to the book:
+  "Texturing and modeling: a procedural approach"
+  by David S. Ebert et. al.
+  
+******************************************************************/
+
+#ifndef _fbm_h
+#define _fbm_h
+
+#include  <math.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//#define TRUE    1
+//#define FALSE   0
+
+typedef struct {
+    double x;
+    double y;
+    double z;
+} Vector;
+    
+float noise3(float vec[]);
+double fBm( Vector point, double H, double lacunarity, double octaves, 
+	    int init );
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+
+
+