trying new jitter method for soft shadows, getting better

git-svn-id: svn://anubis/fart/trunk@257 7f9b0f55-74a9-4bce-be96-3c2cd072584d

util/Color.cc

@@ -87,6 +87,22 @@ Color & Color::operator*=(const Color & other)
     return *this;
 }
 
+Color & Color::operator/=(double scale)
+{
+    r /= scale;
+    g /= scale;
+    b /= scale;
+    return *this;
+}
+
+Color & Color::operator/=(const Color & other)
+{
+    r /= other.r;
+    g /= other.g;
+    b /= other.b;
+    return *this;
+}
+
 Color operator+(const Color & c1, const Color & c2)
 {
     return Color(c1.r + c2.r, c1.g + c2.g, c1.b + c2.b);

util/Color.h

@@ -23,6 +23,8 @@ class Color
         Color & operator-=(const Color & other);
         Color & operator*=(double scale);
         Color & operator*=(const Color & other);
+        Color & operator/=(double scale);
+        Color & operator/=(const Color & other);
 
         static const Color black;
         static const Color white;

util/Vector.cc

@@ -83,7 +83,7 @@ Vector Vector::reflect(const Vector & target) const
     return (*this) + me_to_proj * 2.0;
 }
 
-Vector Vector::getPerpendicularVector() const
+Vector Vector::getPerpendicular() const
 {
     Vector t = *this;
     t.normalize();

util/Vector.h

@@ -20,7 +20,7 @@ class Vector
         Vector proj(const Vector & target) const;
         Vector reflect(const Vector & target) const;
         operator double() const { return mag(); }
-        Vector getPerpendicularVector() const;
+        Vector getPerpendicular() const;
 
     protected:
         double  m_array[3];