updated makefile for supporting different target architectures

use "ARCH=arch_name make"

restructured project folder, implementations and headers together under sources/

sources/GL_STUFF/SCENE/Instance3D.cpp

@@ -0,0 +1,21 @@
+#include "Instance3D.h"
+
+Instance3D::Instance3D(Model3D* mesh, vec3 position) : WorldInstanceable{ position } {
+	this->mesh = mesh;
+}
+
+Instance3D::Instance3D(Model3D* mesh, vec3 position, vec3 scale) : WorldInstanceable{ position , scale } {
+	this->mesh = mesh;
+}
+
+Instance3D::Instance3D(Model3D* mesh, vec3 position, vec3 axis, float angle) : WorldInstanceable{ position, axis, angle } {
+	this->mesh = mesh;
+}
+
+Instance3D::Instance3D(Model3D* mesh, vec3 position, vec3 scale, vec3 axis, float angle) : WorldInstanceable { position, scale, axis, angle } {
+	this->mesh = mesh;
+}
+
+Model3D* Instance3D::getModel() {
+	return this->mesh;
+}