renamed namespace geometry -> math

[l2e.git] / src / graphics / Camera.cpp

diff --git a/src/graphics/Camera.cpp b/src/graphics/Camera.cpp
index a0773db821ca1a14a0ec6fafa066f7533cda8d1a..ee87e3f6f107e6cc4f314cbf47acf69d74c15280 100644 (file)
--- a/src/graphics/Camera.cpp
+++ b/src/graphics/Camera.cpp
@@ -1,34 +1,30 @@
-/*
- * Camera.cpp
- *
- *  Created on: Sep 29, 2012
- *      Author: holy
- */
-
 #include "Camera.h"
 
 #include <cassert>
 
-using geometry::Vector;
+using math::Vector;
 
 namespace graphics {
 
 Camera::Camera(int width, int height, const Vector<float> *target)
 : target(target), halfWidth(width / 2), halfHeight(height / 2) {
-       assert(target && "construct camera without target");
+
 }
 
 
 void Camera::SetTarget(const Vector<float> *t) {
-       assert(t && "cannot change camera target to 0");
        target = t;
 }
 
 
 Vector<int> Camera::CalculateOffset() const {
-       return Vector<int>(
-                       (target->X() - halfWidth) * -1,
-                       (target->Y() - halfHeight) * -1);
+       if (target) {
+               return Vector<int>(
+                               (target->X() - halfWidth) * -1,
+                               (target->Y() - halfHeight) * -1);
+       } else {
+               return Vector<int>();
+       }
 }
 
 }