Changeset 2864 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Camera.cpp

Timestamp:

08/25/08 08:34:10 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Camera.cpp (modified) (1 diff)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Camera.cpp

@@ -221 +221 @@
 
 
-void Camera::SetDirection(const Vector3 &direction)
-{
-        Vector3 h1 = direction; h1.z = 0; 
-        
-        if (SqrMagnitude(h1) > 0)
-        {
-                h1.Normalize();
-                mPitch = acos(DotProd(h1, Vector3(0, 1, 0)));
-        }
-
-        Vector3 h2 = direction; 
-        
-        if (SqrMagnitude(h2) > 0)
-        {
-                h2.Normalize();
-                mYaw = -acos(DotProd(h2, h1));
-        }
+void Camera::SetDirection(const Vector3 &dir)
+{
+        Normalize(dir);
+
+        mPitch = atan2(dir.x, dir.z);
+        mYaw = atan2(dir.y, sqrt((dir.x * dir.x) + (dir.z * dir.z)));
 
         CalculateFromPitchAndYaw();