not finished yet, but better than before

[MicroTrace.git] / Camera.hxx

diff --git a/Camera.hxx b/Camera.hxx
index 51f9865..b2bc711 100644 (file)
--- a/Camera.hxx
+++ b/Camera.hxx
@@ -8,7 +8,7 @@ class Camera
 public:
   Camera(int resX, int resY);
   virtual ~Camera();
-  virtual bool InitRay(float x, float y, Ray &ray) = 0;
+  virtual bool InitRay(float x, float y, Ray &ray) const = 0;
   
   int resX() const;
   int resY() const;