blob: b8a4a99ae4b68d749bceda0c591023bdd549e467 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
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
|
