Meins

package draw3d;
import javax.swing.JPanel;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Rectangle;
public class figur extends JPanel{
	private static final long serialVersionUID = 1L;
	public final int EMAX = 100;
	public final int KOMAX = 100;
	public double ko[][]; 
	public int ka[][]; 
	int anzko;	//aktueller punkt
	int anzka;  //aktuelle kante
	int anzkoold;
	int anzkaold;
	public figur(){
		ko = new double[KOMAX][3];
		ka = new int[EMAX][2];
		anzko = 0;
		anzka = 0;
		anzkoold = 0;
		anzkaold = 0;
		this.setBounds(new Rectangle(100, 100, 54, 35));
		this.setBackground(Color.WHITE);
	}
	
	double ko2d(double x, double y){
		return x + .5 * y;
	}
	
	void turn (char direction, int deg, JPanel x){
		double w = deg * Math.PI /180;
		double[][] turnm;
		double[] tmp = {0, 0, 0};
		double[][] xrot = {{1,0,0},{0,Math.cos(w),-Math.sin(w)},
						{0, Math.sin(w), Math.cos(w)}};
		double[][] yrot = {{Math.cos(w),0,-Math.sin(w)},{0,1,0},
						{Math.sin(w), 0,Math.cos(w)}};
		double[][] zrot = {{Math.cos(w),-Math.sin(w), 0},
						{Math.sin(w), Math.cos(w),0}, {0,0,1}};
		
		switch (direction){
		case 'x':
			turnm = xrot;
			break;
		case 'y':
			turnm = yrot;
			break;
		case 'z':
			turnm = zrot;
			break;
		default:
			turnm = null;
		}
		for(int j = 0; j<anzko; j++){
			for (int i = 0; i < 3 ; i++){
				
				tmp[i] = turnm[i][0] * ko[j][0] + turnm[i][1] * ko[j][1]
				             + turnm[i][2] * ko[j][2];
			}
			ko[j][0] = tmp[0];
			ko[j][1] = tmp[1];
			ko[j][2] = tmp[2];
		}
		
		repaint();
		return;
	}
	
	public int setPointse(double xk, double yk, double zk){
		
		if (anzko < KOMAX && xk <= 100 && yk <= 100 && zk <= 100
						&& xk >= -100 && yk >= -100 && zk >= -100){
			ko[anzko][0] = xk;
			ko[anzko][1] = yk;
			ko[anzko][2] = zk;
			anzko++;
			return 1;
		} else {
			return 0;
		}
	}	

	public int setEdges(int from, int to){
	
		if (anzka < EMAX && from >= 0 && from <= anzko
						&& to >= 0 && to <= anzko){
			ka[anzka][0] = from;
			ka[anzka][1] = to;
			anzka++;
			return 1;
		} else {
			return 0;
		}
	}
	
	
	
	public void paint(Graphics g){
		int x1, x2, y1, y2; 
		//Graphics g;
		//g = d.getGraphics();
		//d.repaint();
		this.setBackground(Color.WHITE);
		for(int i = 0; i<anzka; i++){
			x1 =(int) ko2d(ko[ka[i][0]][0],ko[ka[i][0]][2]);
			y1 =(int) ko2d(ko[ka[i][0]][1],ko[ka[i][0]][2]);
			x2 =(int) ko2d(ko[ka[i][1]][0],ko[ka[i][1]][2]);
			y2 =(int) ko2d(ko[ka[i][1]][1],ko[ka[i][1]][2]);
			g.drawLine(x1, y1, x2, y2);
		}
		
	}
}


import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JButton;
import java.awt.Rectangle;
import javax.swing.JTextPane;
import javax.swing.JScrollPane;
import javax.swing.JList;

import java.awt.Graphics;
import java.awt.GridBagLayout;
import java.awt.Color;


public class draw3d extends JFrame {
	
	figur k;
	getPoints gepoin;
	getEdges geedg;
	private static final long serialVersionUID = 1L;
	private JPanel jContentPane = null;
	private JPanel zeichnung = null;
	private JButton Save = null;
	private JButton Load = null;
	private JButton getPonts = null;
	private JButton getEdges = null;
	private JButton Exit = null;
	private JButton zminusRotate = null;
	private JButton zRotate = null;
	private JButton xRotate = null;
	private JButton XminusRotate = null;
	private JButton YRotate = null;
	private JButton YminusRotate = null;
	private JTextPane RotateText = null;
	private JScrollPane jScrollPane = null;
	private JScrollPane jScrollPane1 = null;
	private JList PointList = null;
	private JList EdgeList = null;
	
	
	/**
	 * This method initializes Exit	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getExit() {
		if (Exit == null) {
			Exit = new JButton();
			Exit.setBounds(new Rectangle(438, 224, 100, 25));
			Exit.setText("Exit");
			Exit.addActionListener(new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent e) {
					System.exit(0);
				}
			});
		}
		return Exit;
	}

	/**
	 * This method initializes zRotate	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getZRotate() {
		if (zRotate == null) {
			zRotate = new JButton();
			zRotate.setBounds(new Rectangle(335, 78, 50, 30));
			zRotate.setText("Z");
			zRotate.addActionListener(new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent e) {
					k.turn('z', 2, zeichnung);
				}
			});
		}
		return zRotate;
	}


	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		figur k = new figur();
		draw3d thisClass = new draw3d(k);
		thisClass.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		thisClass.setVisible(true);
		
		/*SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				draw3d thisClass = new draw3d(k);
				thisClass.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
				thisClass.setVisible(true);
			}
		});*/
	}

	/**
	 * This is the default constructor
	 */
	public draw3d(figur ka) {
		super();
		k = ka;
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(555, 370);
		this.setContentPane(getJContentPane());
		this.setTitle("FDSD");
	}

	
	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			jContentPane = new JPanel();
		jContentPane.add(getZRotate(), null);
			jContentPane.add(k);
			
		}
		
		return jContentPane;
	}

}  //  @jve:decl-index=0:visual-constraint="10,10"