Drop Id tags and copyright notices from files

[libs/gl.git] / source / box.cpp

diff --git a/source/box.cpp b/source/box.cpp
index 3d6f15fdc6f422e3259088de7a599b8eba6ba762..0958d1b0930daa8d187e6dc430b4a8ed0886bc1a 100644 (file)
--- a/source/box.cpp
+++ b/source/box.cpp
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2011  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #include <cmath>
 #include "box.h"
 #include "primitivebuilder.h"
@@ -42,22 +35,21 @@ void BoxBuilder::build(PrimitiveBuilder &builder) const
 
 void BoxBuilder::build_face(PrimitiveBuilder &builder, const Vector3 &o, const Vector3 &s1, const Vector3 &s2) const
 {
+       float l1 = 1, l2 = 1;
+       if(tangent_attr>=0 || tex_fit!=STRETCH)
+               l1 = sqrt(s1.x*s1.x+s1.y*s1.y+s1.z*s1.z);
+       if(binormal_attr>=0 || tex_fit!=STRETCH)
+               l2 = sqrt(s2.x*s2.x+s2.y*s2.y+s2.z*s2.z);
+
        if(tangent_attr>=0)
-       {
-               builder.attrib(tangent_attr, s1.x, s1.y, s1.z);
-               builder.attrib(binormal_attr, s2.x, s2.y, s2.z);
-       }
+               builder.attrib(tangent_attr, s1.x/l1, s1.y/l1, s1.z/l1);
+       if(binormal_attr>=0)
+               builder.attrib(binormal_attr, s2.x/l2, s2.y/l2, s2.z/l2);
+
        float u_size = 1;
        float v_size = 1;
-       if(tex_fit!=STRETCH)
-       {
-               float l1 = sqrt(s1.x*s1.x+s1.y*s1.y+s1.z*s1.z);
-               float l2 = sqrt(s2.x*s2.x+s2.y*s2.y+s2.z*s2.z);
-               if((l1<l2)==(tex_fit==CUT))
-                       u_size = l1/l2;
-               else
-                       v_size = l2/l1;
-       }
+       adjust_texture_scale(u_size, v_size, l1, l2);
+
        builder.begin(TRIANGLE_STRIP);
        builder.texcoord(0, v_size);
        builder.vertex(o.x+s2.x, o.y+s2.y, o.z+s2.z);