implemented line rendering

lineRenderer.h

@@ -0,0 +1,32 @@
+#ifndef LINE_H
+#define LINE_H
+
+#include "vector.h"
+#include "mesh.h"
+
+#include <vector>
+
+namespace vb01{
+		class Shader;
+
+		class LineRenderer{
+				public:
+						struct Line{int id; Vector3 start; Vector3 end; Vector3 color;};
+						enum VectorFieldType{START, END, COLOR};
+
+						static LineRenderer* getSingleton();
+						void drawLines();
+						void addLine(Vector3 start, Vector3 end, Vector3 color);
+						void changeLineField(int, Vector3, VectorFieldType);
+						void removeLine(int);
+						Line& getLine(int);
+				private:
+						LineRenderer();
+
+						int nextId = 0;
+						Shader *shader = nullptr;
+						std::vector<LineRenderer::Line> lines;
+		};
+}
+
+#endif