added --field-of-view and m_vfov to Scene

git-svn-id: svn://anubis/fart/trunk@36 7f9b0f55-74a9-4bce-be96-3c2cd072584d

main/Scene.cc

@@ -15,6 +15,7 @@ Scene::Scene(map<string, const char *> options,
     m_height = 600;
     m_multisample_level = 1;
     m_output_file_name = "fart.bmp";
+    m_vfov = 60.0;
     m_verbose = false;
     m_data = NULL;
 
@@ -37,6 +38,10 @@ Scene::Scene(map<string, const char *> options,
         {
             m_multisample_level = atoi(it->second);
         }
+        else if (it->first == "field-of-view")
+        {
+            m_vfov = atof(it->second);
+        }
         else if (it->first == "output-file")
         {
             m_output_file_name = it->second;

main/Scene.h

@@ -19,13 +19,19 @@ class Scene
         void load(const char * filename);
         void renderPixel(int x, int y, unsigned char * pixel);
 
+        /* rendering parameters */
         int m_width;
         int m_height;
         int m_multisample_level;
         std::string m_output_file_name;
         bool m_verbose;
-        unsigned char * m_data;
+        double m_vfov;
+
+        /* the shapes in the scene */
         std::vector<Shape *> m_shapes;
+
+        /* framebuffer */
+        unsigned char * m_data;
 };
 
 #endif

main/fart.cc

@@ -17,6 +17,7 @@ void usage(const char * progname)
     cout << "    -w|--width <image-width>" << endl;
     cout << "    -h|--height <image-height>" << endl;
     cout << "    -m|--multisample <level>" << endl;
+    cout << "    -f|--field-of-view <vertical-fov>" << endl;
     cout << "    -v|--verbose" << endl;
     exit(42);
 }
@@ -33,11 +34,12 @@ int main(int argc, char * argv[])
         { "width",          required_argument, NULL, 'w' },
         { "height",         required_argument, NULL, 'h' },
         { "multisample",    required_argument, NULL, 'm' },
+        { "field-of-view",  required_argument, NULL, 'f' },
         { "verbose",        no_argument,       NULL, 'v' },
         { NULL,             0,                 NULL, 0   }
     };
 
-    while ((opt = getopt_long(argc, argv, "o:w:h:m:",
+    while ((opt = getopt_long(argc, argv, "o:w:h:m:f:",
                               long_options, &option_index)) != -1)
     {
         switch (opt)
@@ -57,6 +59,9 @@ int main(int argc, char * argv[])
             case 'm':
                 scene_options["multisample"] = optarg;
                 break;
+            case 'f':
+                scene_options["field-of-view"] = optarg;
+                break;
             case 'v':
                 scene_options["verbose"] = optarg;
                 break;

shapes/Shape.h

@@ -4,11 +4,17 @@
 
 #include "util/Solver.h"
 #include "util/Ray.h"
+#include "util/Transform.h"
 
 class Shape
 {
     public:
         virtual Solver::Result intersect(const Ray & ray) = 0;
+        void setTransform(const Transform & t) { m_transform = t; }
+        Transform & getTransform() { return m_transform; }
+
+    protected:
+        Transform m_transform;
 };
 
 #endif