From 8706e2036029e63516aa5aaba3f22166ac4d1cf5 Mon Sep 17 00:00:00 2001
From: Peter Wu <lekensteyn@gmail.com>
Date: Thu, 19 Dec 2013 15:58:21 +0100
Subject: Attempt to fix WSAD

---
 src/Camera.java | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/Camera.java b/src/Camera.java
index 229344b..2ebdaa6 100644
--- a/src/Camera.java
+++ b/src/Camera.java
@@ -73,13 +73,14 @@ class Camera {
 
         eye = new Vector(Ex, Ey, Ez);
 
-        // change center point with WASD (broken, but this was not required by
-        // the assignment)
+        // WASD action: center point and eye point translate
         double Cx, Cy, Cz;
-        Cx = gs.cnt.x();
-        Cy = gs.cnt.y();
-        Cz = gs.cnt.z();
+        // x and y are swapped because robot looks in y direction
+        Cx = gs.cnt.y();
+        Cy = gs.cnt.x();
+        Cz = -gs.cnt.z();
         center = new Vector(Cx, Cy, Cz);
+        eye.add(center);
     }
 
     /**
-- 
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