[ViewVC] Diff of: cvs/libgender/util.C

Comparing libgender/util.C (file contents):
Revision 1.6 by root, Mon Oct 4 07:04:58 2004 UTC vs.
Revision 1.7 by root, Mon Oct 4 10:18:13 2004 UTC

   p.x = modff (p.x, &i); s.x += (int)i;
   p.y = modff (p.y, &i); s.y += (int)i;
   p.z = modff (p.z, &i); s.z += (int)i;
 }
+/////////////////////////////////////////////////////////////////////////////
 const vec3 normalize (const vec3 &v)
 {
   GLfloat s = abs (v);
      a.y * b.z - a.z * b.y,
      a.z * b.x - a.x * b.z,
      a.x * b.y - a.y * b.x
   );
 }
+/////////////////////////////////////////////////////////////////////////////
 void gl_matrix::diagonal (GLfloat v)
 {
   for (int i = 4; i--; )
     for (int j = 4; j--; )
   m(3,3) = 1;
   (*this) = (*this) * m;
 }
+/////////////////////////////////////////////////////////////////////////////
+plane::plane (GLfloat a, GLfloat b, GLfloat c, GLfloat d)
+: n (vec3 (a,b,c)), d(d)
+{
+  GLfloat s = 1. / abs (n);
+  n = n * s;
+  d = d * s;
+}
+/////////////////////////////////////////////////////////////////////////////
 void box::add (const box &o)
 {
   a.x = min (a.x, o.a.x);
   a.y = min (a.y, o.a.y);
   a.z = min (a.z, o.a.z);
   b.x = max (b.x, (soffs)ceilf  (p.x));
   b.y = max (b.y, (soffs)ceilf  (p.y));
   b.z = max (b.z, (soffs)ceilf  (p.z));
 }
+/////////////////////////////////////////////////////////////////////////////
 struct timer timer;
 static double base;
 double timer::now = 0.;
 double timer::diff;

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