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Author: arobison
Date: Tue Dec 25 19:29:46 2007
New Revision: 1945

Modified:
   trunk/scenes/hdritest.cc
Log:
Adding an option for bilinear filtering of env. maps and tweaking a few 
things.


Modified: trunk/scenes/hdritest.cc
==============================================================================
--- trunk/scenes/hdritest.cc    (original)
+++ trunk/scenes/hdritest.cc    Tue Dec 25 19:29:46 2007
@@ -65,10 +65,10 @@
 
 void addFloor(Group* group)
 {
-  Texture<Color>* tile_tex = new CheckerTexture<Color>(Color::white(), 
Color::black(), 
+  Texture<Color>* tile_tex = new CheckerTexture<Color>(Color::white()*.8, 
Color::black(), 
                                                        Vector(4,0,0), 
Vector(0,4,0));
 
-  Material* tile = new Phong( tile_tex, new 
Constant<Color>(Color::white()*.8), 20, new Constant<ColorComponent>(.2) );
+  Material* tile = new Phong( tile_tex, new 
Constant<Color>(Color::white()*.8), 32, new Constant<ColorComponent>(.2) );
 
   Primitive* floor = new Parallelogram(tile, Vector(-2.5, -1.05, -2.5), 
Vector(5, 0, 0), Vector(0, 0, 5));
 
@@ -79,7 +79,7 @@
 
 void addLights( LightSet* lights)
 {
-  lights->add( new PointLight( Vector(0, 0, 30) , Color( RGB(0.8,0.8,0.8) ) 
) );
+  lights->add( new PointLight( Vector(0, 30, 0) , Color( RGB(0.8,0.8,0.8) ) 
) );
 }
 
 
@@ -91,6 +91,7 @@
   EnvMapBackground::MappingType mapping_type = 
EnvMapBackground::CylindricalEqualArea;
   bool create_floor = false;
   bool create_glass = false;
+  bool filter = false;
 
   for(size_t i = 0; i < args.size(); ++i) {
     std::string arg = args[i];
@@ -109,6 +110,8 @@
       create_floor = true;
     } else if (arg == "-glass_sphere") {
       create_glass = true;
+    } else if (arg == "-filter") {
+      filter = true;
     } else {
       std::cerr << "Unknown option: " << arg << "\n";
     }
@@ -124,6 +127,8 @@
 
   if ( !env_filename.empty() ) {
     ImageTexture<Color>* t = LoadColorImageTexture( env_filename, &std::cerr 
);
+    if(filter)
+      t->setInterpolationMethod(ImageTexture<Color>::Bilinear);
 
     scene->setBackground( new EnvMapBackground( t,
           mapping_type, right, up ) );
@@ -143,7 +148,7 @@
   scene->setObject(all);
 
   LightSet* lights = new LightSet();
-  //addLights( lights );
+  addLights( lights );
 
   lights->setAmbientLight(new ConstantAmbient( Color( RGB(0.2, 0.2, 0.2) ) ) 
);
 

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• [Manta] r1945 - trunk/scenes, arobison, 12/25/2007

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