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Author: shirley
Date: Sat Oct  6 18:45:48 2007
New Revision: 1759

Added:
   trunk/scenes/softshadow.cc
Modified:
   trunk/scenes/CMakeLists.txt
Log:
16 point light test


Modified: trunk/scenes/CMakeLists.txt
==============================================================================
--- trunk/scenes/CMakeLists.txt (original)
+++ trunk/scenes/CMakeLists.txt Sat Oct  6 18:45:48 2007
@@ -40,6 +40,13 @@
    TARGET_LINK_LIBRARIES(scene_teapotRoom ${MANTA_SCENE_LINK})
 ENDIF(SCENE_TEAPOT_ROOM)
 
+# softshadow via many point sources
+SET(SCENE_SOFT_SHADOW TRUE CACHE BOOL "Soft Shadow test")
+IF(SCENE_SOFT_SHADOW)
+   ADD_LIBRARY(scene_softshadow softshadow.cc)
+   TARGET_LINK_LIBRARIES(scene_softshadow ${MANTA_SCENE_LINK})
+ENDIF(SCENE_SOFT_SHADOW)
+
 # octree isosurface
 SET(SCENE_OCTISOVOL 0 CACHE BOOL "octree isosurface")
 IF(SCENE_OCTISOVOL)

Added: trunk/scenes/softshadow.cc
==============================================================================
--- (empty file)
+++ trunk/scenes/softshadow.cc  Sat Oct  6 18:45:48 2007
@@ -0,0 +1,154 @@
+#include <Interface/Scene.h>
+#include <Interface/LightSet.h>
+
+#include <Model/Groups/ObjGroup.h>
+#include <Model/Groups/DynBVH.h>
+
+#include <Model/Materials/Checker.h>
+#include <Model/Materials/CopyTextureMaterial.h>
+#include <Model/Materials/Dielectric.h>
+#include <Model/Materials/Lambertian.h>
+#include <Model/Materials/MetalMaterial.h>
+#include <Model/Materials/Phong.h>
+
+#include <Model/Textures/Constant.h>
+#include <Model/Textures/MarbleTexture.h>
+
+#include <Model/Primitives/Cube.h>
+#include <Model/Primitives/Sphere.h>
+#include <Model/Primitives/Parallelogram.h>
+
+#include <Model/Backgrounds/ConstantBackground.h>
+#include <Model/Lights/PointLight.h>
+#include <Model/AmbientLights/ArcAmbient.h>
+
+#include <Core/Exceptions/IllegalArgument.h>
+
+#include <iostream>
+
+using namespace Manta;
+using namespace std;
+
+#define Rect(material, center, dir1, dir2) \
+  Parallelogram(material, (center) - (dir1) - (dir2), (dir1)*2, (dir2)*2)
+
+class TeapotObjGroup: public ObjGroup {
+public:
+  TeapotObjGroup( const char* filename ):
+    ObjGroup(filename)
+  {
+  }
+
+protected:
+  virtual void create_materials( Glm::GLMmodel *model )
+  {
+    // Here we are going to override the materials with our stuff
+
+    
//////////////////////////////////////////////////////////////////////////
+    // Path to the model for loading textures.
+    string model_path = model->pathname;
+
+    size_t pos = model_path.rfind( '/' );
+    if (pos != string::npos) {
+        model_path = model_path.substr( 0, pos+1 );
+    }
+
+    material_array = new Material *[ model->nummaterials ];
+    material_array_size = model->nummaterials;
+
+    // Just override the materials
+    for (unsigned int i=0;i<model->nummaterials;++i) {
+      material_array[i] = new Lambertian(new 
Constant<Color>(Color(RGB(1,0,1))));
+    }
+  }
+};
+
+void usage()
+{
+  cerr << "Valid options for scene:\n";
+  cerr << " -model    - Required. The file to load.\n";
+}
+
+void argumentError(int i, const vector<string>& args)
+{
+  usage();
+  throw IllegalArgument("scene teapotRoom", i, args);
+}
+
+void addTable(Group* group)
+{
+  // Top
+  Material* legs = new MetalMaterial( Color::white() * 0.01 );
+  Object* box=new Sphere(legs, Vector(-100,-100,-10), 100  );
+  group->add(box);
+}
+
+void addFloor(Group* group)
+{
+  Material* white = new Lambertian(Color::white() * 0.8);
+
+  Object* floor=new Rect(white,
+                         Vector(0,0,-200),
+                         Vector(1600,0,0),
+                         Vector(0,1600,0));
+  group->add(floor);
+}
+
+
+extern "C"
+Scene* make_scene(const ReadContext&, const vector<string>& args)
+{
+  for(size_t i=0;i<args.size();i++){
+    string arg = args[i];
+    if (arg == "--help") {
+      usage();
+      return 0;
+    }
+  }
+
+  // Start adding geometry
+  Group* group = new Group();
+
+  addTable(group);
+  addFloor(group);
+
+  Scene* scene = new Scene();
+  scene->setBackground(new ConstantBackground(Color(RGB(0.1, 0.1, 0.1))));
+
+  DynBVH* bvh = new DynBVH();
+  bvh->setGroup(group);
+  scene->setObject(bvh);
+
+  LightSet* lights = new LightSet();
+  lights->add(new PointLight(Vector(225,375,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(375,300,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(400,350,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(550,325,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(275,425,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(300,400,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(475,450,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(500,475,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(250,575,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(350,525,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(525,500,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(425,550,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(200,600,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(325,675,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(450,625,1300), Color(RGB(1,1,1))*0.05));
+  lights->add(new PointLight(Vector(575,650,1300), Color(RGB(1,1,1))*0.05));
+  Color cup(RGB(0.5, 0.5, 0));
+  Color cdown(RGB(0.1, 0.1, 0.7));
+  Vector up(0,0,1);
+  //  Vector up(0,1,0);
+  lights->setAmbientLight(new ArcAmbient(cup, cdown, up));
+  scene->setLights(lights);
+
+  // Add a default camera
+  Vector eye(700,1390,300);
+  Vector lookat(0,0,150);
+  Real fov=45;
+  scene->addBookmark("default view", eye, lookat, up, fov, fov);
+
+  return scene;
+}
+

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• [Manta] r1759 - trunk/scenes, shirley, 10/06/2007

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