Added Camera and first-person and UI camera types; Added mouse tracking to aid this

NothinFancy/res/defaultShader/vertex.shader

@@ -10,7 +10,6 @@ uniform mat4 proj;
 out vec2 texCoord;
 
 void main() {
-	//gl_Position = proj * view * model * vec4(pos, 1.0);
-	gl_Position = proj * model * vec4(pos, 1.0);
+	gl_Position = proj * view * model * vec4(pos, 1.0);
 	texCoord = texCoords;
-}
+}