Update the call signature of compute_primary_ray

It takes the current X and Y coordinates and the height and width of the image.
2014-07-16 23:29:54 -07:00 · 2014-07-16 23:29:54 -07:00 · 0e1106aa41
commit 0e1106aa41
parent 05327fbe7a
2 changed files with 8 additions and 4 deletions
--- a/src/camera.cc
+++ b/src/camera.cc
@ -120,8 +120,10 @@ Camera::SetUp(const Vector3& up)
 * the view into the scene.
 */
 Ray
-OrthographicCamera::compute_primary_ray(const int &x,
-                                        const int &y)
+OrthographicCamera::compute_primary_ray(const int x,
+                                        const int width,
+                                        const int y,
+                                        const int height)
    const
 {
    // Calculate the point on the image plane that the given (x,y) coordinate pair corresponds to.