private void copyWorld()
	{
		//gespeicherte Welt löschen
		Lines.clear();
		Goals.clear();
		
		//Alles kopieren
		for(int i=0; i<Reflines.size(); i++)
		{
			int[] a = new int[4];
			a[0] = Reflines.elementAt(i)[0];
			a[1] = Reflines.elementAt(i)[1];
			a[2] = Reflines.elementAt(i)[2];
			a[3] = Reflines.elementAt(i)[3];
			Lines.add(a);
		}
		numlines = Lines.size();
		for(int j=0; j<Refgoals.size(); j++)
		{
			int[] b = new int[4];
			b[0] = Refgoals.elementAt(j)[0];
			b[1] = Refgoals.elementAt(j)[1];
			Goals.add(b);
		}
		numgoals = Goals.size();
	}