Added new shader types

core/Shaders/FlatShader.cpp

@@ -0,0 +1,7 @@
+#include "FlatShader.h"
+
+FlatShader::FlatShader() : Shader("shaders/flat.vert", "shaders/flat.frag") {}
+
+void FlatShader::UpdateColor(Vector3 color) {
+  glUniform3f(glGetUniformLocation(id, "color"), color.r, color.g, color.b);
+}

core/Shaders/FlatShader.h

@@ -0,0 +1,7 @@
+#include "Shader.h"
+
+class FlatShader : public Shader {
+public:
+  FlatShader();
+  void UpdateColor(Vector3 color);
+};