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Author: arobison
Date: Mon Dec 24 12:12:33 2007
New Revision: 1944

Modified:
   trunk/scenes/hdritest.cc
Log:
Adding some new features to this scene: a floor, glass balls, selectable 
mapping types.


Modified: trunk/scenes/hdritest.cc
==============================================================================
--- trunk/scenes/hdritest.cc    (original)
+++ trunk/scenes/hdritest.cc    Mon Dec 24 12:12:33 2007
@@ -26,24 +26,57 @@
 #include <Model/Textures/Constant.h>
 #include <Model/Textures/ImageTexture.h>
 #include <Model/Textures/MarbleTexture.h>
+#include <Model/Textures/TileTexture.h>
+#include <Model/Textures/CheckerTexture.h>
+#include <Model/TexCoordMappers/LinearMapper.h>
 
 #include <iostream>
 
 using namespace Manta;
 
-#define Rect(material, center, dir1, dir2) \
-  Parallelogram(material, (center) - (dir1) - (dir2), (dir1)*2, (dir2)*2)
-
-
 void addSphere(Group* group)
 {
   Material* metal = new MetalMaterial( Color( RGB(0.3, 0.3, 0.3) ), 10 );
 
-  Object* sphere = new Sphere( metal, Vector(0,0,0), 1.0f );
+  Object* sphere = new Sphere( metal, Vector(0,0,-1.5), 1.0f );
 
   group->add(sphere);
 }
 
+void addDielectricSphere(Group* group)
+{
+  Material* glass1 = new Dielectric( 1.4, 1.0, Color(RGB(.7,.2,.2)) );
+  Object* sphere1 = new Sphere( glass1, Vector(1.5, -.5, 2), .5 );
+
+  Material* glass2 = new Dielectric( 1.1, 1.0, Color(RGB(.2,.7,.2)) );
+  Object* sphere2 = new Sphere( glass2, Vector(-.5, -.3, 1.3), .7 );
+
+  Material* glass3 = new Dielectric( 1.8, 1.0, Color(RGB(.2,.2,.7)) );
+  Object* sphere3 = new Sphere( glass3, Vector(1.15, -.6, .4), .4 );
+
+  Material* glass4 = new Dielectric( 1.2, 1.0, Color::white()*.9 );
+  Object* sphere4 = new Sphere( glass4, Vector(-1.4, -.2, -.2), .8 );
+  
+  group->add(sphere1);
+  group->add(sphere2);
+  group->add(sphere3);
+  group->add(sphere4);
+}
+
+void addFloor(Group* group)
+{
+  Texture<Color>* tile_tex = new CheckerTexture<Color>(Color::white(), 
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) );
+
+  Primitive* floor = new Parallelogram(tile, Vector(-2.5, -1.05, -2.5), 
Vector(5, 0, 0), Vector(0, 0, 5));
+
+  floor->setTexCoordMapper( new LinearMapper( Vector(-2.5,-1.05,-2.5), 
Vector(1,0,0), Vector(0, 0, 1), Vector(0,1,0)) );
+                            
+  group->add(floor);
+}
+
 void addLights( LightSet* lights)
 {
   lights->add( new PointLight( Vector(0, 0, 30) , Color( RGB(0.8,0.8,0.8) ) 
) );
@@ -55,9 +88,30 @@
 {
 
   std::string env_filename = "";
+  EnvMapBackground::MappingType mapping_type = 
EnvMapBackground::CylindricalEqualArea;
+  bool create_floor = false;
+  bool create_glass = false;
+
   for(size_t i = 0; i < args.size(); ++i) {
     std::string arg = args[i];
-    env_filename = arg;
+    if(arg == "-file") {
+      if(!getStringArg(i, args, env_filename))
+        throw IllegalArgument("scene hdritest -file", i , args);
+    } else if (arg == "-cylindrical") {
+      mapping_type = EnvMapBackground::CylindricalEqualArea;
+    } else if (arg == "-latlon") {
+      mapping_type = EnvMapBackground::LatLon;
+    } else if (arg == "-sphere") {
+      mapping_type = EnvMapBackground::DebevecSphere;
+    } else if (arg == "-old") {
+      mapping_type = EnvMapBackground::OldBehavior;
+    } else if (arg == "-floor") {
+      create_floor = true;
+    } else if (arg == "-glass_sphere") {
+      create_glass = true;
+    } else {
+      std::cerr << "Unknown option: " << arg << "\n";
+    }
   }
 
   Vector up( 0.0f, 1.0f, 0.0f );
@@ -72,19 +126,26 @@
     ImageTexture<Color>* t = LoadColorImageTexture( env_filename, &std::cerr 
);
 
     scene->setBackground( new EnvMapBackground( t,
-          EnvMapBackground::CylindricalEqualArea, right, up ) );
+          mapping_type, right, up ) );
   } else {
     scene->setBackground( new ConstantBackground( Color(RGB(.3, .3, .9) ) ) 
);
   }
 
 
   addSphere(all);
+
+  if(create_floor)
+    addFloor(all);
+
+  if(create_glass)
+    addDielectricSphere(all);
+
   scene->setObject(all);
 
   LightSet* lights = new LightSet();
-  addLights( lights );
+  //addLights( lights );
 
-  lights->setAmbientLight(new ConstantAmbient( Color( RGB(0.5, 0.5, 0) ) ) );
+  lights->setAmbientLight(new ConstantAmbient( Color( RGB(0.2, 0.2, 0.2) ) ) 
);
 
   scene->setLights(lights);
 

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• [Manta] r1944 - trunk/scenes, arobison, 12/24/2007
  • Re: [Manta] r1944 - trunk/scenes, Austin Robison, 12/24/2007
    • Re: [Manta] r1944 - trunk/scenes, Austin Robison, 12/24/2007

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