diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/fractals.cxx | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/test/fractals.cxx b/test/fractals.cxx index b680d3d0d..bbdde0569 100644 --- a/test/fractals.cxx +++ b/test/fractals.cxx @@ -5,7 +5,7 @@ // demonstrate how to add FLTK controls to a GLUT program. The GLUT // code is unchanged except for the end (search for FLTK to find changes). // -// Copyright 1998-2016 by Bill Spitzak and others. +// Copyright 1998-2024 by Bill Spitzak and others. // // This library is free software. Distribution and use rights are outlined in // the file "COPYING" which should have been included with this file. If this @@ -77,6 +77,7 @@ typedef enum { NOTALLOWED, MOUNTAIN, TREE, ISLAND, BIGMTN, STEM, LEAF, MOUNTAIN_MAT, WATER_MAT, LEAF_MAT, TREE_MAT, STEMANDLEAVES, AXES } DisplayLists; +// Note: MAXLEVEL is the highest level, range is 0..MAXLEVEL #define MAXLEVEL 8 int Rebuild = 1, /* Rebuild display list in next display? */ @@ -146,11 +147,11 @@ float xzslope(float v1[3], float v2[3]) /************************ MOUNTAIN STUFF ***********************/ /***************************************************************/ -GLfloat DispFactor[MAXLEVEL]; /* Array of what to multiply random number - by for a given level to get midpoint - displacement */ -GLfloat DispBias[MAXLEVEL]; /* Array of what to add to random number - before multiplying it by DispFactor */ +GLfloat DispFactor[MAXLEVEL + 1]; /* Array of what to multiply random number + by for a given level to get midpoint + displacement */ +GLfloat DispBias[MAXLEVEL + 1]; /* Array of what to add to random number + before multiplying it by DispFactor */ #define NUMRANDS 191 float RandTable[NUMRANDS]; /* hash table of random numbers so we can @@ -233,9 +234,9 @@ void FMR(GLfloat v1[3], GLfloat v2[3], GLfloat v3[3], int level) void FractalMountain(GLfloat v1[3], GLfloat v2[3], GLfloat v3[3], int pegged[3]) { - GLfloat lengths[MAXLEVEL]; - GLfloat fraction[8] = { 0.3f, 0.3f, 0.4f, 0.2f, 0.3f, 0.2f, 0.4f, 0.4f }; - GLfloat bias[8] = { 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f }; + GLfloat lengths[MAXLEVEL + 1]; + GLfloat fraction[8] = { 0.3f, 0.3f, 0.4f, 0.2f, 0.3f, 0.2f, 0.4f, 0.4f }; + GLfloat bias[8] = { 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f }; int i; float avglen = (xzlength(v1, v2) + xzlength(v2, v3) + |