updated makefile for supporting different target architectures

use "ARCH=arch_name make"

restructured project folder, implementations and headers together under sources/

sources/GL_STUFF/CURVES/Bezier.hpp

@@ -0,0 +1,24 @@
+#pragma once
+#include "./Curve.hpp"
+
+class Bezier : public Curve {
+private:
+	unsigned int order;
+protected:
+	float evaluateBasisFunction(float at, int number, int order, float intervalLeft, float intervalRight);
+public:
+	Bezier(unsigned int order, vector<glm::vec3> *points, vector<float> *intervals);
+	glm::vec3 evaluate(float at);
+	glm::vec3 derivate(float at);
+};
+
+
+
+class Bezier3Segments : public Bezier {
+public:
+	Bezier3Segments( vector<glm::vec3>* points, vector<float>* intervals);
+	glm::vec3 evaluate(float at);
+	glm::vec3 derivate(float at);
+	float getLeftBound();
+	float getRightBound();
+};