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Author | SHA1 | Date | |
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f3c3dc5fc0 | ||
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2398e3c8a4 | ||
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416f890de2 |
1
.gitignore
vendored
1
.gitignore
vendored
@ -1 +1,2 @@
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/build/
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/build/
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/dist/
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@ -12,7 +12,9 @@ import javax.swing.WindowConstants;
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/**
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/**
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*
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*
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* @author ahren
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* Programm, um mit Hilfe von Sinus und Cosinus drei sich drehende Zeiger zu
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* implementieren.
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* @author Je-To
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*/
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*/
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public class Start
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public class Start
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{
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{
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@ -21,7 +23,6 @@ public class Start
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JFrame frm = new JFrame();
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JFrame frm = new JFrame();
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frm.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
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frm.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
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Container c = frm.getContentPane();
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Container c = frm.getContentPane();
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c.setLayout(new OverlayLayout(c));
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c.setLayout(new OverlayLayout(c));
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for (int zeigerLaenge = 1; zeigerLaenge <=3; zeigerLaenge++)
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for (int zeigerLaenge = 1; zeigerLaenge <=3; zeigerLaenge++)
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{
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{
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@ -15,18 +15,21 @@ import static java.lang.Math.*;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Future;
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import java.util.concurrent.Future;
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import java.util.logging.Logger;
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import javax.swing.JComponent;
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import javax.swing.JComponent;
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/**
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/**
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*
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* Klasse für selbst gezeichnete Zeiger, die sich über einenn eigenen Thread
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* @author ahren
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* drehen können.
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* @author Je-To
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*/
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*/
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public class Zeiger extends JComponent implements Runnable
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public class Zeiger extends JComponent implements Runnable
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{
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{
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private Logger lg = Logger.getLogger("grafik");
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private static final float DICKE = 4f;
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private static final float DICKE = 4f;
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private Line2D.Float linie;
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private Line2D.Float linie;
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private BasicStroke stift;
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private BasicStroke stift;
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private volatile float radius;
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private volatile double radius;
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private volatile float xMitte;
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private volatile float xMitte;
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private volatile float yMitte;
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private volatile float yMitte;
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private volatile double xAussen;
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private volatile double xAussen;
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@ -37,6 +40,12 @@ public class Zeiger extends JComponent implements Runnable
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private ExecutorService eService;
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private ExecutorService eService;
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private Future task;
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private Future task;
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/**
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* Initialisierung des Zeigers
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* @param schlafzeit = Zeit, die der Thread wartet, bevor der Zeiger sich
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* wieder weiterbewegt
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* @param zeigerlaenge = verhältnismäßige Zeigerlänge
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*/
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public Zeiger(long schlafzeit, int zeigerlaenge)
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public Zeiger(long schlafzeit, int zeigerlaenge)
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{
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{
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this.schlafzeit = schlafzeit;
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this.schlafzeit = schlafzeit;
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@ -48,17 +57,17 @@ public class Zeiger extends JComponent implements Runnable
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task = null;
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task = null;
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}
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}
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/**
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* Thread für das Ändern des Winkels
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*/
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@Override
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@Override
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public void run()
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public void run()
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{
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{
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float delta = 1f;
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while(true)
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while(true)
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{
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{
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synchronized(this)
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synchronized(this)
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{
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{
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alpha += 0.1;
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alpha += 0.08;
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xAussen = xMitte +cos(2*PI*alpha) * radius;
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yAussen = yMitte + sin(2*PI*alpha) * radius;
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}
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}
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this.repaint();
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this.repaint();
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try
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try
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@ -67,7 +76,7 @@ public class Zeiger extends JComponent implements Runnable
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}
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}
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catch (Exception ex)
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catch (Exception ex)
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{
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{
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//lg.severe(ex.toString());
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lg.severe(ex.toString());
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}
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}
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}
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}
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}
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}
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@ -79,25 +88,32 @@ public class Zeiger extends JComponent implements Runnable
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task = eService.submit(this);
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task = eService.submit(this);
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}
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}
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}
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}
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/**
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* Zeichnen des Zeigers abhängig vom Winkel Alpha
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* @param g
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*/
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@Override
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@Override
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public void paintComponent(Graphics g)
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public void paintComponent(Graphics g)
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{
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{
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super.paintComponent(g);
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super.paintComponent(g);
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Graphics2D g2 = (Graphics2D)g;
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Graphics2D g2 = (Graphics2D)g;
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g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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RenderingHints.VALUE_ANTIALIAS_ON);
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float breite = this.getWidth() - 1;
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float breite = this.getWidth() - 1;
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float hoehe = this.getHeight() - 1;
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float hoehe = this.getHeight() - 1;
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radius = (min(hoehe, breite)/2 * 0.9) * 1/ zeigerlaenge;
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float radius = (min(hoehe, breite)/2 - 50) * 1/ zeigerlaenge;
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xMitte = breite/2;
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xMitte = breite/2;
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yMitte = hoehe/2;
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yMitte = hoehe/2;
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synchronized(this)
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{
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xAussen = xMitte +cos(2*PI*alpha) * radius;
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xAussen = xMitte +cos(2*PI*alpha) * radius;
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yAussen = yMitte + sin(2*PI*alpha) * radius;
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yAussen = yMitte + sin(2*PI*alpha) * radius;
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}
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linie.setLine(xMitte, yMitte, xAussen, yAussen);
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linie.setLine(xMitte, yMitte, xAussen, yAussen);
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@ -105,7 +121,6 @@ public class Zeiger extends JComponent implements Runnable
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g2.setPaint(Color.RED);
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g2.setPaint(Color.RED);
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g2.draw(linie);
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g2.draw(linie);
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}
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}
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}
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}
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