added Color::operator*=(), added jitter computation to reflectance and transparency recursion, recursing now but there is still a jitter or recursion issue

git-svn-id: svn://anubis/fart/trunk@182 7f9b0f55-74a9-4bce-be96-3c2cd072584d

shapes/Shape.cc

@@ -10,7 +10,6 @@ static bool default_material_initialized = false;
 
 Shape::Shape()
 {
-    m_transparency = 0.0;
     if (default_material_initialized == false)
     {
         default_material = new Material();

shapes/Shape.h

@@ -106,16 +106,12 @@ class Shape
         }
         Transform & getTransform() { return m_transform; }
 
-        void setTransparency(double t) { m_transparency = t; }
-        double getTransparency() const { return m_transparency; }
-
         void setMaterial(refptr<Material> material) { m_material = material; }
         refptr<Material> getMaterial() const { return m_material; }
 
     protected:
         Transform m_transform;
         Transform m_inverse;
-        double m_transparency;
         refptr<Material> m_material;
 };