From bd0f3345a938b35ce6a12f6150373b0955b8dd12 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 10 Jul 2011 15:24:15 -0500 Subject: Add Qt3 development HEAD version --- examples/demo/opengl/fbm.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 examples/demo/opengl/fbm.h (limited to 'examples/demo/opengl/fbm.h') diff --git a/examples/demo/opengl/fbm.h b/examples/demo/opengl/fbm.h new file mode 100644 index 0000000..474cd3c --- /dev/null +++ b/examples/demo/opengl/fbm.h @@ -0,0 +1,39 @@ +/***************************************************************** + + 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 + +#ifdef __cplusplus +extern "C" { +#endif + +#define TRUE 1 +#define FALSE 0 + +typedef struct { + double x; + double y; + double z; +} Vector; + +double fBm( Vector point, double H, double lacunarity, double octaves, + int init ); +#endif + +#ifdef __cplusplus +} +#endif + + + + -- cgit v1.2.3