linux part

Math.cpp

@@ -1,7 +1,7 @@
 #include "Math.h"
 
 #include <exception>
-
+#include <cmath>
 namespace ZL {
 
 	Vector2f operator+(const Vector2f& x, const Vector2f& y)

OpenGlExtensions.h

@@ -10,6 +10,12 @@
 #include "emscripten.h"
 #endif
 
+#ifdef __linux__
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <GLES3/gl3.h>
+
+#endif
 
 #include <exception>
 #include <stdexcept>

Physics.cpp

@@ -1,4 +1,5 @@
 #include "Physics.h"
+#include <cmath>
 
 namespace ZL
 {

Readme.md

@@ -2,4 +2,10 @@
 
 ```
 emcc main.cpp Game.cpp Math.cpp Physics.cpp Renderer.cpp ShaderManager.cpp TextureManager.cpp Utils.cpp OpenGlExtensions.cpp -O2 -std=c++14 -sTOTAL_MEMORY=33554432 -sUSE_SDL_IMAGE=2 -sSDL2_IMAGE_FORMATS="[""png""]" -sUSE_SDL=2 --preload-file background.bmp --preload-file bird.bmp32 --preload-file default.fragment --preload-file default.vertex --preload-file game_over.bmp32 --preload-file pipe.bmp32 -o jumpingbird.html
+```
+
+linux:
+```
+g++ Game.cpp main.cpp Math.cpp OpenGlExtensions.cpp Physics.cpp Renderer.cpp ShaderManager.cpp TextureManager.cpp Utils.cpp -o sdl_app -O2 -std=c++14  $(pkg-config --cflags --libs sdl2 gl)
+
 ```

Renderer.cpp

@@ -29,7 +29,8 @@ namespace ZL {
 	VAOHolder::~VAOHolder()
 	{
 #ifndef EMSCRIPTEN
-		glDeleteVertexArray(1, &vao);
+		glDeleteVertexArrays(1, &vao);
+
 #endif
 	}
 

Utils.cpp

@@ -1,5 +1,5 @@
 #include "Utils.h"
-
+#include <cstring>
 #include <iterator>
 #include <vector>
 #include <iostream>

Utils.h

@@ -5,7 +5,8 @@
 #include <exception>
 #include <map>
 #include <stack>
-
+#include <memory>
+#include <unordered_map>
 namespace ZL
 {
 	std::string readTextFile(const std::string& filename);