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More non-canonical checks in PlaneTypeForNormal.

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This commit is contained in:
Bill Currie 2010-08-27 21:41:04 +09:00
parent c9eb679c41
commit b91568bbdd
1 changed files with 9 additions and 4 deletions
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13
tools/qfbsp/source/brush.c
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@ -137,6 +137,7 @@ int
PlaneTypeForNormal (const vec3_t normal) PlaneTypeForNormal (const vec3_t normal)
{ {
float ax, ay, az; float ax, ay, az;
int type;
// NOTE: should these have an epsilon around 1.0? // NOTE: should these have an epsilon around 1.0?
if (normal[0] == 1.0) if (normal[0] == 1.0)
@ -153,10 +154,14 @@ PlaneTypeForNormal (const vec3_t normal)
az = fabs(normal[2]); az = fabs(normal[2]);
if (ax >= ay && ax >= az) if (ax >= ay && ax >= az)
return PLANE_ANYX; type = PLANE_ANYX;
if (ay >= ax && ay >= az) else if (ay >= ax && ay >= az)
return PLANE_ANYY; type = PLANE_ANYY;
return PLANE_ANYZ; else
type = PLANE_ANYZ;
if (normal[type - PLANE_ANYX] < 0)
Sys_Error ("PlaneTypeForNormal: not a canonical vector");
return type;
} }
#define DISTEPSILON 0.01 #define DISTEPSILON 0.01