removed static const Material::white (had a problem with C++ since the order that the static const constructors were being called in was not correct according to the order that the code depended on them), made Shape constructor use a common default material instead of recreating one every time

git-svn-id: svn://anubis/fart/trunk@174 7f9b0f55-74a9-4bce-be96-3c2cd072584d

shapes/Shape.cc

@@ -5,10 +5,18 @@
 #include <utility>
 using namespace std;
 
+static refptr<Material> default_material;
+static bool default_material_initialized = false;
+
 Shape::Shape()
 {
     m_transparency = 0.0;
-    m_material = new Material(Material::white);
+    if (default_material_initialized == false)
+    {
+        default_material = new Material();
+        default_material_initialized = true;
+    }
+    m_material = default_material;
 }
 
 Shape::~Shape()