made parser/parser.yy:parse() a method of class Scene so no global g_scene is needed

git-svn-id: svn://anubis/fart/trunk@100 7f9b0f55-74a9-4bce-be96-3c2cd072584d

main/Scene.h

@@ -46,6 +46,7 @@ class Scene
         void renderPixel(int x, int y, unsigned char * pixel);
         Color traceRay(const Ray & ray);
         std::vector<ShapeDistance> getRayHits(const Ray & ray);
+        int parse(const char * fileName);
 
         /* rendering parameters */
         int m_width;