Added a ScreenCoords class with some util functions to clean up the Renderer class.

include/Engine/Rendering/Util/ScreenCoords.h

@@ -0,0 +1,29 @@
+#ifndef ScreenCoords_h__
+#define ScreenCoords_h__
+
+#include "../../Common.h"
+#include "../../OpenGL.h"
+#include "../../GLM.h"
+#include "../../Core/Util/Rectangle.h"
+
+class ScreenCoords 
+{
+public: 
+    ScreenCoords() = delete;
+    //Return world position from given screenspace coordinates and depth value in viewspace.
+    static glm::vec3 ToWorldPos(glm::vec2 screenCoord, float depth, Rectangle resolution, glm::mat4 cameraProjectionMat, glm::mat4 cameraViewMat);
+    static glm::vec3 ToWorldPos(float x, float y, float depth, Rectangle resolution, glm::mat4 cameraProjectionMat, glm::mat4 cameraViewMat);
+    static glm::vec3 ToWorldPos(glm::vec2 screenCoord, float depth, float screenWidth, float screenHeight, glm::mat4 cameraProjectionMat, glm::mat4 cameraViewMat);
+    static glm::vec3 ToWorldPos(float x, float y, float depth, float screenWidth, float screenHeight, glm::mat4 cameraProjectionMat, glm::mat4 cameraViewMat);
+    //Return data from the given buffers at the coordinates given in screenspace. Buffer should probably have a texture that covers the screen.
+    //Data is given as R = x, B = y, and 
+    static glm::vec3 ToPixelData(glm::vec2 screenCoord, GLuint PickDataBuffer, GLuint DepthBuffer);
+    static glm::vec3 ToPixelData(float x, float y, GLuint PickDataBuffer, GLuint DepthBuffer);
+    //Return EntityID of the clicked coordinate in given screenspace coordinates.
+    //EntityID ScreenCoordsToEntityID(glm::vec2 screenCoord, float depth);
+
+private:
+
+};
+
+#endif