added messages to main/Scene, util/Matrix constructor sets matrix to identity

git-svn-id: svn://anubis/fart/trunk@37 7f9b0f55-74a9-4bce-be96-3c2cd072584d

util/Matrix.cc

@@ -8,6 +8,14 @@
 
 Matrix::Matrix()
 {
+    /* set matrix to the identity matrix */
+    for (int i = 0; i < 4; i++)
+    {
+        for (int j = 0; j < 4; j++)
+        {
+            m_matrix[i][j] = i == j ? 1.0 : 0.0;
+        }
+    }
     m_inverse_calculated = false;
 }