source/geometrybuilder.cpp

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