source/geometrybuilder.cpp

   1 #include "geometrybuilder.h"
   2 #include "meshbuilder.h"
   3
   4 namespace Msp {
   5 namespace GL {
   6
   7 GeometryBuilder::GeometryBuilder():
   8         tangent_attr(-1),
   9         binormal_attr(-1),
  10         tex_fit(STRETCH)
  11 { }
  12
  13 GeometryBuilder &GeometryBuilder::tangent(unsigned t)
  14 {
  15         tangent_attr = t;
  16         return *this;
  17 }
  18
  19 GeometryBuilder &GeometryBuilder::binormal(unsigned b)
  20 {
  21         binormal_attr = b;
  22         return *this;
  23 }
  24
  25 GeometryBuilder &GeometryBuilder::texture_fit(TextureFit tf)
  26 {
  27         tex_fit = tf;
  28         return *this;
  29 }
  30
  31 void GeometryBuilder::adjust_texture_scale(float &u_scale, float &v_scale, float width, float height) const
  32 {
  33         if(tex_fit!=STRETCH)
  34         {
  35                 if((width<height)==(tex_fit==CROP))
  36                         u_scale *= width/height;
  37                 else
  38                         v_scale *= height/width;
  39         }
  40 }
  41
  42 void GeometryBuilder::build(Mesh &mesh) const
  43 {
  44         MeshBuilder builder(mesh);
  45         builder.auto_offset();
  46         build(builder);
  47 }
  48
  49 } // namespace GL
  50 } // namespace Msp