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/cvs/libgender/util.h
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Comparing libgender/util.h (file contents):
Revision 1.8 by root, Mon Oct 4 02:06:57 2004 UTC vs.
Revision 1.9 by root, Mon Oct 4 07:04:58 2004 UTC

… …
9#include <GL/gl.h> 9#include <GL/gl.h>
10 10
11typedef int soffs; // 32 bit 11typedef int soffs; // 32 bit
12typedef unsigned int uoffs; 12typedef unsigned int uoffs;
13#define OFFS_BITS 31 13#define OFFS_BITS 31
14#define SOFFS_MIN (soffs)-(1 << (OFFS_BITS - 1)) 14#define SOFFS_MIN (soffs)-(1 << (OFFS_BITS - 2))
15#define SOFFS_MAX (soffs)+(1 << (OFFS_BITS - 1)) 15#define SOFFS_MAX (soffs)+(1 << (OFFS_BITS - 2))
16#define MAXEXTENT ((1UL << OFFS_BITS) - 1) 16#define MAXEXTENT (1UL << (OFFS_BITS - 1))
17 17
18#define GLFLOAT_MAX 1e30 18#define GLFLOAT_MAX 1e30
19#define GLFLOAT_MIN -1e30 19#define GLFLOAT_MIN -1e30
20 20
21struct sector { 21struct sector {
… …
46 r.y = p.y + (dst.y - src.y); 46 r.y = p.y + (dst.y - src.y);
47 r.z = p.z + (dst.z - src.z); 47 r.z = p.z + (dst.z - src.z);
48 48
49 return r; 49 return r;
50} 50}
51
52void renormalize (sector &s, point &p);
51 53
52struct colour { 54struct colour {
53 GLfloat r, g, b, a; 55 GLfloat r, g, b, a;
54 colour (GLfloat r = 1., GLfloat g = 1., GLfloat b = 1., GLfloat a = 1.) : r(r), g(g), b(b), a(a) { }; 56 colour (GLfloat r = 1., GLfloat g = 1., GLfloat b = 1., GLfloat a = 1.) : r(r), g(g), b(b), a(a) { };
55}; 57};
… …
114 116
115 box() { }; 117 box() { };
116 118
117 void reset () 119 void reset ()
118 { 120 {
119 a = sector (SOFFS_MIN, SOFFS_MIN, SOFFS_MIN);
120 b = sector (SOFFS_MAX, SOFFS_MAX, SOFFS_MAX); 121 a = sector (SOFFS_MAX, SOFFS_MAX, SOFFS_MAX);
122 b = sector (SOFFS_MIN, SOFFS_MIN, SOFFS_MIN);
121 } 123 }
122 124
123 void add (const box &o); 125 void add (const box &o);
124 void add (const sector &p); 126 void add (const sector &p);
125 void add (const point &p); 127 void add (const point &p);

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