+++ /dev/null
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2011 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <cmath>
-#include "box.h"
-#include "primitivebuilder.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-BoxBuilder::BoxBuilder(float w, float h, float d):
- origin(-w/2, -h/2, -d/2),
- span(w, h, d)
-{ }
-
-BoxBuilder::BoxBuilder(const Vector3 &o, const Vector3 &s):
- origin(o),
- span(s)
-{ }
-
-void BoxBuilder::build(PrimitiveBuilder &builder) const
-{
- builder.normal(1, 0, 0);
- build_face(builder, Vector3(origin.x+span.x, origin.y, origin.z), Vector3(0, span.y, 0), Vector3(0, 0, span.z));
- builder.normal(0, 1, 0);
- build_face(builder, Vector3(origin.x+span.x, origin.y+span.y, origin.z), Vector3(-span.x, 0, 0), Vector3(0, 0, span.z));
- builder.normal(-1, 0, 0);
- build_face(builder, Vector3(origin.x, origin.y+span.y, origin.z), Vector3(0, -span.y, 0), Vector3(0, 0, span.z));
- builder.normal(0, -1, 0);
- build_face(builder, origin, Vector3(span.x, 0, 0), Vector3(0, 0, span.z));
- builder.normal(0, 0, 1);
- build_face(builder, Vector3(origin.x, origin.y, origin.z+span.z), Vector3(span.x, 0, 0), Vector3(0, span.y, 0));
- builder.normal(0, 0, -1);
- build_face(builder, Vector3(origin.x+span.x, origin.y, origin.z), Vector3(-span.x, 0, 0), Vector3(0, span.y, 0));
-}
-
-void BoxBuilder::build_face(PrimitiveBuilder &builder, const Vector3 &o, const Vector3 &s1, const Vector3 &s2) const
-{
- if(tangent_attr>=0)
- {
- builder.attrib(tangent_attr, s1.x, s1.y, s1.z);
- builder.attrib(binormal_attr, s2.x, s2.y, s2.z);
- }
- 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;
- }
- builder.begin(TRIANGLE_STRIP);
- builder.texcoord(0, v_size);
- builder.vertex(o.x+s2.x, o.y+s2.y, o.z+s2.z);
- builder.texcoord(0, 0);
- builder.vertex(o.x, o.y, o.z);
- builder.texcoord(u_size, v_size);
- builder.vertex(o.x+s1.x+s2.x, o.y+s1.y+s2.y, o.z+s1.z+s2.z);
- builder.texcoord(u_size, 0);
- builder.vertex(o.x+s1.x, o.y+s1.y, o.z+s1.z);
- builder.end();
-}
-
-} // namespace GL
-} // namespace Msp