Added Eigen, replacing ZMath

src/Environment.h

@@ -1,9 +1,9 @@
 #pragma once
-#include "utils/ZLMath.h"
 #ifdef __linux__
 #include <SDL2/SDL.h>
 #endif
 #include "render/OpenGlExtensions.h"
+#include <Eigen/Dense>
 
 namespace ZL {
 
@@ -21,8 +21,8 @@ public:
 
     static bool settings_inverseVertical;
 
-    static Matrix3f shipMatrix;
-    static Matrix3f inverseShipMatrix;
+    static Eigen::Matrix3f shipMatrix;
+    static Eigen::Matrix3f inverseShipMatrix;
 
     static SDL_Window* window;
 
@@ -31,10 +31,10 @@ public:
 
 
     static bool tapDownHold;
-    static Vector2f tapDownStartPos;
-    static Vector2f tapDownCurrentPos;
+    static Eigen::Vector2f tapDownStartPos;
+    static Eigen::Vector2f tapDownCurrentPos;
 
-    static Vector3f shipPosition;
+    static Eigen::Vector3f shipPosition;
     static float shipVelocity;
 
     static const float CONST_Z_NEAR;