diff options
Diffstat (limited to 'ws2015')
3 files changed, 629 insertions, 0 deletions
diff --git a/ws2015/eip/blaetter/10/1/de/lmu/ifi/tcs/Ball.java b/ws2015/eip/blaetter/10/1/de/lmu/ifi/tcs/Ball.java new file mode 100644 index 0000000..83628a9 --- /dev/null +++ b/ws2015/eip/blaetter/10/1/de/lmu/ifi/tcs/Ball.java | |||
@@ -0,0 +1,79 @@ | |||
1 | package de.lmu.ifi.tcs; | ||
2 | |||
3 | import java.awt.Color; | ||
4 | import java.awt.Point; | ||
5 | |||
6 | |||
7 | public class Ball { | ||
8 | |||
9 | private Point randpunkt; | ||
10 | private double pos_x; | ||
11 | private double pos_y; | ||
12 | private double dx; | ||
13 | private double dy; | ||
14 | private long letztesupdate; | ||
15 | private Color farbe = Color.BLACK; | ||
16 | |||
17 | public Ball(Point randpunkt, Point startpunkt, double dx, double dy, Color farbe) { | ||
18 | this.randpunkt = randpunkt; | ||
19 | this.pos_x = startpunkt.getX(); | ||
20 | this.pos_y = startpunkt.getY(); | ||
21 | this.dx = dx; | ||
22 | this.dy = dy; | ||
23 | this.letztesupdate = System.currentTimeMillis(); | ||
24 | this.farbe = farbe; | ||
25 | } | ||
26 | |||
27 | public Ball(Point randpunkt, Point startpunkt, double dx, double dy) { | ||
28 | this(randpunkt, startpunkt, dx, dy, Color.BLACK); | ||
29 | } | ||
30 | |||
31 | /** | ||
32 | * Aktualisiert die Position des Balls gemäß der vestrichenen Zeit. | ||
33 | */ | ||
34 | public void updatePosition() { | ||
35 | long aktuellezeit = System.currentTimeMillis(); | ||
36 | long verstrichen = aktuellezeit - letztesupdate; | ||
37 | pos_x += dx * verstrichen / 1000; | ||
38 | pos_y += dy * verstrichen / 1000; | ||
39 | letztesupdate = aktuellezeit; | ||
40 | if (pos_x<0 || pos_x>randpunkt.x) { | ||
41 | dx *= -1; | ||
42 | pos_x = (2*randpunkt.x - pos_x) % randpunkt.x; | ||
43 | } | ||
44 | if (pos_y<0 || pos_y>randpunkt.y) { | ||
45 | dy *= -1; | ||
46 | pos_y = (2*randpunkt.y - pos_y) % randpunkt.y; | ||
47 | } | ||
48 | } | ||
49 | |||
50 | /** | ||
51 | * @return letzte Position des Balles | ||
52 | */ | ||
53 | public Point holePosition() { | ||
54 | return new Point((int) Math.round(pos_x), (int) Math.round(pos_y)); | ||
55 | } | ||
56 | |||
57 | /** | ||
58 | * @return aktuelle Farbe des Balls | ||
59 | */ | ||
60 | public Color getFarbe() { | ||
61 | return farbe; | ||
62 | } | ||
63 | |||
64 | /** | ||
65 | * Wechselt die Farbe des Balls | ||
66 | */ | ||
67 | public void wechsleFarbe() { | ||
68 | if (this.farbe.equals(Color.RED)) { | ||
69 | this.farbe = Color.GREEN; | ||
70 | } else if (this.farbe.equals(Color.GREEN)) { | ||
71 | this.farbe = Color.BLUE; | ||
72 | } else if (this.farbe.equals(Color.BLUE)) { | ||
73 | this.farbe = Color.ORANGE; | ||
74 | } else { | ||
75 | this.farbe = Color.RED; | ||
76 | } | ||
77 | |||
78 | } | ||
79 | } | ||
diff --git a/ws2015/eip/blaetter/10/1/de/lmu/ifi/tcs/GraphicsWindow.java b/ws2015/eip/blaetter/10/1/de/lmu/ifi/tcs/GraphicsWindow.java new file mode 100644 index 0000000..925005a --- /dev/null +++ b/ws2015/eip/blaetter/10/1/de/lmu/ifi/tcs/GraphicsWindow.java | |||
@@ -0,0 +1,421 @@ | |||
1 | package de.lmu.ifi.tcs; | ||
2 | |||
3 | import java.awt.*; | ||
4 | import java.util.ArrayList; | ||
5 | import javax.swing.JFrame; | ||
6 | import javax.swing.JPanel; | ||
7 | import javax.swing.Timer; | ||
8 | |||
9 | import java.awt.event.ActionEvent; | ||
10 | import java.awt.event.ActionListener; | ||
11 | import java.awt.event.MouseAdapter; | ||
12 | import java.awt.event.WindowAdapter; | ||
13 | import java.awt.event.WindowEvent; | ||
14 | import java.awt.event.MouseEvent; | ||
15 | import java.awt.geom.RectangularShape; | ||
16 | import java.awt.geom.GeneralPath; | ||
17 | |||
18 | /** | ||
19 | Eine Klasse zu pädagogischen Zwecken. | ||
20 | Erlaubt die Eingabe von Punktkoordinaten | ||
21 | mittels Mausklicks, das Zeichnen einfacher | ||
22 | 2D Objekte (java.awt.Shape), sowie die | ||
23 | Ausgabe von Texten in einer Statuszeile. | ||
24 | @version 3.043 | ||
25 | @author Martin Hofmann und die EiP-Teams verschiedener Jahre | ||
26 | */ | ||
27 | |||
28 | public class GraphicsWindow { | ||
29 | |||
30 | private int width; | ||
31 | private int height; | ||
32 | private JFrame dasFenster; | ||
33 | private static int fensterZahl; | ||
34 | private static int fensterNr; | ||
35 | private Label label; | ||
36 | private GraphicsWindowPanel panel; | ||
37 | private Point mousePos; | ||
38 | private Color activeColor = Color.BLACK; | ||
39 | final private Color backColor = Color.WHITE; | ||
40 | MyMouseAdapter mouseListener; | ||
41 | |||
42 | /** | ||
43 | Erzeugt ein Fenster der Größe 640 auf 480 mit Textausgabe, Mauseingabe und Grafikausgabe. | ||
44 | */ | ||
45 | public GraphicsWindow() { | ||
46 | this(640, 480); | ||
47 | } | ||
48 | |||
49 | /** | ||
50 | Erzeugt ein Fenster in vorgegebener Größe mit Textausgabe, Mauseingabe und Grafikausgabe. | ||
51 | @param width Breite des Fensters | ||
52 | @param height Höhe des Fensters | ||
53 | */ | ||
54 | public GraphicsWindow(int width, int height) { | ||
55 | this.width = width; | ||
56 | this.height = height; | ||
57 | dasFenster = new JFrame(); | ||
58 | dasFenster.setTitle("Grafikfenster " + ++fensterNr); | ||
59 | fensterZahl++; | ||
60 | dasFenster.setLocationByPlatform(true); | ||
61 | dasFenster.setSize(width,height+50); | ||
62 | dasFenster.getContentPane().setPreferredSize(new Dimension(width, height+50)); | ||
63 | dasFenster.pack(); | ||
64 | dasFenster.addWindowListener(new WindowAdapter(){ | ||
65 | public void windowClosing(WindowEvent e) { | ||
66 | dasFenster.dispose(); // nicht gleich alle Fenster abschiessen | ||
67 | if (--fensterZahl<1) System.exit(0); | ||
68 | } | ||
69 | }); | ||
70 | |||
71 | label = new Label("Statuszeile..."); | ||
72 | label.setFont(new Font("Helvetica", Font.PLAIN, 12)); | ||
73 | dasFenster.getContentPane().add(label,"North" ); | ||
74 | panel = new GraphicsWindowPanel(); | ||
75 | //panel.setBackground(Color.cyan); | ||
76 | panel.addCommand(new SetColor(activeColor)); | ||
77 | dasFenster.getContentPane().add(panel,"Center"); | ||
78 | mousePos = new Point(); | ||
79 | mouseListener = new MyMouseAdapter(); | ||
80 | panel.addMouseListener(mouseListener); | ||
81 | clear(); | ||
82 | dasFenster.setVisible(true); | ||
83 | } | ||
84 | |||
85 | /** | ||
86 | Gibt eine Zeichenkette oben im Fenster aus. | ||
87 | @param text diese Zeichenkette | ||
88 | */ | ||
89 | public void setText(String text) { | ||
90 | label.setText(text); | ||
91 | } | ||
92 | /** | ||
93 | Liest den oben im Fenster angezeigten Text aus. | ||
94 | @return den Text | ||
95 | */ | ||
96 | public String getText() { | ||
97 | return label.getText(); | ||
98 | } | ||
99 | /** | ||
100 | Wartet auf einen Mausklick. Die Methode blockiert das | ||
101 | aufrufende Programm solange bis der Mausklick erfolgt ist. | ||
102 | @return die Koordinaten des angeklickten Punkts | ||
103 | */ | ||
104 | |||
105 | public Point mouseClick() { | ||
106 | try{ | ||
107 | synchronized(mouseListener){mouseListener.wait();} | ||
108 | } | ||
109 | catch(InterruptedException e){ | ||
110 | e.printStackTrace(); | ||
111 | } | ||
112 | return mousePos; | ||
113 | } | ||
114 | |||
115 | class MyMouseAdapter extends MouseAdapter { | ||
116 | |||
117 | /** | ||
118 | Beendet das Warten auf den Mausklick und verwertet die Koordinaten. | ||
119 | Diese Methode ist nicht für den Anwender bestimmt. | ||
120 | */ | ||
121 | |||
122 | synchronized public void mouseClicked(MouseEvent e){ | ||
123 | mousePos = e.getPoint(); | ||
124 | notifyAll(); | ||
125 | } | ||
126 | } | ||
127 | |||
128 | |||
129 | /** | ||
130 | Schaltet die Zeichenfarbe auf die Hintergrundfarbe um. Dies ist | ||
131 | das Mittel, um gezeichnete Linien wieder zu löschen. | ||
132 | */ | ||
133 | public void switchToBackgroundColor(){ | ||
134 | activeColor = backColor; | ||
135 | panel.addCommand(new SwitchToBackgroundColor(activeColor)); | ||
136 | panel.repaint(); | ||
137 | } | ||
138 | |||
139 | /** | ||
140 | Schaltet die Zeichenfarbe auf Schwarz um. | ||
141 | */ | ||
142 | public void switchToForegroundColor(){ | ||
143 | activeColor = Color.BLACK; | ||
144 | panel.addCommand(new SetColor(activeColor)); | ||
145 | panel.repaint(); | ||
146 | } | ||
147 | |||
148 | |||
149 | /** Liefert die aktuelle Zeichenfarbe. | ||
150 | @return die aktuelle Zeichenfarbe des GraphicsWindow. */ | ||
151 | public Color getColor() { | ||
152 | // return panel.getGraphics().getColor(); // getGraphics() has unpleasant side-effects. :( | ||
153 | /* Fixed by adding another instance variable activeColor for now. */ | ||
154 | return activeColor; | ||
155 | } | ||
156 | |||
157 | /** | ||
158 | Zeichnet eine Linie in der aktuellen Zeichenfarbe. | ||
159 | @param x Anfangspunkt | ||
160 | @param y Endpunkt | ||
161 | */ | ||
162 | public void drawLine(Point x, Point y){ | ||
163 | // Odering points reduces the amount of graphical artifacts in rendering the same object in different ways | ||
164 | Point x1 = x; | ||
165 | Point y1 = y; | ||
166 | if ((x.x > y.x) || ((x.x == y.x) && (x.y > y.y))) { | ||
167 | x1 = y; | ||
168 | y1 = x; | ||
169 | } | ||
170 | panel.addCommand(new DrawLine(x1,y1)); | ||
171 | panel.repaint(); | ||
172 | } | ||
173 | |||
174 | /** | ||
175 | Zeichnet einen Punkt in der aktuellen Zeichenfarbe. | ||
176 | @param p Punkt | ||
177 | */ | ||
178 | public void drawPoint(Point p){ | ||
179 | drawLine(p, p); | ||
180 | } | ||
181 | |||
182 | /** | ||
183 | Zeichnet einen Punkt in der aktuellen Zeichenfarbe. | ||
184 | @param p Punkt | ||
185 | */ | ||
186 | public void drawStringAt(String s, Point p){ | ||
187 | Command c = new DrawString(s,p); | ||
188 | panel.addCommand(c); | ||
189 | panel.repaint(); | ||
190 | } | ||
191 | |||
192 | /** | ||
193 | * Zeichnet ein Polygon, gegeben durch ein geordnetes Array von Punkten | ||
194 | * @param poly Array von Punkten, welche 2D Polygon beschreiben. | ||
195 | */ | ||
196 | public void drawPoly(Point[] poly) { | ||
197 | Point previous = poly[poly.length-1]; | ||
198 | for (Point next : poly) { | ||
199 | drawLine(previous,next); | ||
200 | previous = next; | ||
201 | } | ||
202 | } | ||
203 | |||
204 | /** | ||
205 | * Zeichnet und füllt ein Polygon, gegeben durch ein geornetes Array von Punkten | ||
206 | * @param poly Array von Punkten, welche 2D Polygon beschreiben. | ||
207 | */ | ||
208 | public void fillPoly(Point[] poly) { | ||
209 | int[] xpoints = new int[poly.length]; | ||
210 | int[] ypoints = new int[poly.length]; | ||
211 | for (int i = 0; i<poly.length; i++) { | ||
212 | xpoints[i] = poly[i].x; | ||
213 | ypoints[i] = poly[i].y; | ||
214 | } | ||
215 | Polygon polygon = new Polygon(xpoints,ypoints,poly.length); | ||
216 | fill(polygon); | ||
217 | } | ||
218 | |||
219 | |||
220 | /** | ||
221 | Zeichnet ein geometrisches Objekt. | ||
222 | */ | ||
223 | public void draw(Shape s) { | ||
224 | panel.addCommand(new Draw(s)); | ||
225 | panel.repaint(); | ||
226 | } | ||
227 | |||
228 | /** | ||
229 | Füllt ein geometrisches Objekt aus. | ||
230 | */ | ||
231 | public void fill(Shape s) { | ||
232 | panel.addCommand(new Fill(s)); | ||
233 | panel.repaint(); | ||
234 | } | ||
235 | |||
236 | /** Das aufrufende Programm wird für ein gegebene Zeitspanne blockiert. | ||
237 | @param millis Die Zeitspanne in Millisekunden*/ | ||
238 | public void sleep(long millis) { | ||
239 | try {Thread.sleep(millis);} catch (Exception e){} | ||
240 | } | ||
241 | |||
242 | /** Setzt die Zeichenfarbe. */ | ||
243 | public void setColor(Color d) { | ||
244 | activeColor = d; | ||
245 | panel.addCommand(new SetColor(activeColor)); | ||
246 | panel.repaint(); | ||
247 | } | ||
248 | |||
249 | /** | ||
250 | Setzt die Zeichenfarbe auf einen Grauwert | ||
251 | @param shade Grauwert zwischen 0(schwarz) und 255(weiß) | ||
252 | */ | ||
253 | public void setGrayColor(int shade) { | ||
254 | setColor(new Color(shade, shade, shade)); | ||
255 | } | ||
256 | |||
257 | /** | ||
258 | Setzt die Zeichenfarbe für die Mandelbrot-Aufgabe | ||
259 | @param n Anzahl der Iterationen, die durch die Farbe symboliziert werdem soll | ||
260 | */ | ||
261 | public void setMandelColor(int n) { | ||
262 | float r = (float) Math.min(1.0,((double) n / 9.0) ); | ||
263 | float g = (float) Math.min(1.0,((double) n / 99.0) ); | ||
264 | float b = (float) Math.min(1.0,((double) n / 999.0) ); | ||
265 | setColor(new Color(r, g, b)); | ||
266 | } | ||
267 | |||
268 | /** Löscht das Bild */ | ||
269 | public void clear() { | ||
270 | // Color oldActive = activeColor; | ||
271 | panel.clearAll(); | ||
272 | // this.switchToBackgroundColor(); | ||
273 | // fill(new Rectangle(0,0,width,height)); | ||
274 | // setColor(oldActive); | ||
275 | } | ||
276 | |||
277 | public void killIn(int secs) { | ||
278 | Timer t = new Timer(1000*secs, new ActionListener(){ | ||
279 | @Override | ||
280 | public void actionPerformed(ActionEvent e) {dasFenster.dispose();} | ||
281 | } | ||
282 | ); | ||
283 | t.setRepeats(false); | ||
284 | t.start(); | ||
285 | } | ||
286 | } | ||
287 | |||
288 | |||
289 | class GraphicsWindowPanel extends JPanel | ||
290 | { | ||
291 | private static final long serialVersionUID = 1L; | ||
292 | private ArrayList<Command> cl = new ArrayList<Command>(); | ||
293 | |||
294 | public void paintComponent(Graphics g) | ||
295 | { | ||
296 | super.paintComponent(g); | ||
297 | Graphics2D g2D = (Graphics2D)g; | ||
298 | |||
299 | ArrayList<Command> cl = this.cl; // Kopie wegen Nebenläufigkeit von Swing | ||
300 | int size = cl.size(); | ||
301 | for (int i=0; i<size; i++) { | ||
302 | Command c = cl.get(i); | ||
303 | if (c != null) c.execute(g2D); | ||
304 | } | ||
305 | } | ||
306 | |||
307 | void addCommand(Command c) | ||
308 | { | ||
309 | cl.add(c); | ||
310 | } | ||
311 | |||
312 | void clearAll() | ||
313 | { | ||
314 | // try { | ||
315 | // SwingUtilities.invokeAndWait(new Runnable() { | ||
316 | // @Override | ||
317 | // public void run() { | ||
318 | cl = new ArrayList<Command>(); | ||
319 | // } | ||
320 | // }); | ||
321 | // } catch (InterruptedException e) { | ||
322 | // // TODO Auto-generated catch block | ||
323 | // e.printStackTrace(); | ||
324 | // } catch (InvocationTargetException e) { | ||
325 | // // TODO Auto-generated catch block | ||
326 | // e.printStackTrace(); | ||
327 | // } | ||
328 | } | ||
329 | } | ||
330 | |||
331 | |||
332 | abstract class Command //implements Serializable | ||
333 | { | ||
334 | abstract void execute(Graphics2D g2D); | ||
335 | |||
336 | /** Clone a shape. This method is needed because Shape | ||
337 | * does not define clone(), although many shape classes do. | ||
338 | * Kopiert aus jsky-2.6 auf ftp.eso.org */ | ||
339 | static Shape cloneShape(Shape s) { | ||
340 | // FIXME Add more specific shapes | ||
341 | if (s instanceof RectangularShape) { | ||
342 | return (RectangularShape) ((RectangularShape) s).clone(); | ||
343 | } else { | ||
344 | return new GeneralPath(s); | ||
345 | } | ||
346 | } | ||
347 | |||
348 | } | ||
349 | |||
350 | class DrawLine extends Command { | ||
351 | Point von; | ||
352 | Point bis; | ||
353 | DrawLine(Point von, Point bis) { | ||
354 | /* Clonen der Punkte essentiell um Aliasingeffekte beim Redraw zu verhindern */ | ||
355 | this.von = new Point(von); | ||
356 | this.bis = new Point(bis); | ||
357 | } | ||
358 | void execute(Graphics2D g2D) | ||
359 | { | ||
360 | g2D.drawLine(this.von.x,this.von.y,this.bis.x,this.bis.y); | ||
361 | } | ||
362 | } | ||
363 | |||
364 | class SwitchToForegroundColor extends Command { | ||
365 | SwitchToForegroundColor() {} | ||
366 | void execute(Graphics2D g2D) { | ||
367 | g2D.setColor(Color.black); | ||
368 | } | ||
369 | } | ||
370 | |||
371 | class SwitchToBackgroundColor extends Command { | ||
372 | Color backcolor; | ||
373 | SwitchToBackgroundColor(Color backcolor) {this.backcolor = backcolor;} | ||
374 | void execute(Graphics2D g2D) { | ||
375 | g2D.setColor(backcolor); | ||
376 | } | ||
377 | } | ||
378 | |||
379 | class SetColor extends Command { | ||
380 | Color color; | ||
381 | SetColor(Color color) {this.color = color;} | ||
382 | void execute(Graphics2D g2D) { | ||
383 | g2D.setColor(this.color); | ||
384 | } | ||
385 | } | ||
386 | |||
387 | |||
388 | class Draw extends Command { | ||
389 | Shape shape; | ||
390 | Draw(Shape shape) {this.shape = cloneShape(shape);} | ||
391 | void execute(Graphics2D g2D) { | ||
392 | g2D.draw(this.shape); | ||
393 | } | ||
394 | } | ||
395 | |||
396 | class Fill extends Command { | ||
397 | Shape shape; | ||
398 | Fill(Shape shape) {this.shape = cloneShape(shape);} | ||
399 | void execute(Graphics2D g2D) { | ||
400 | g2D.fill(this.shape); | ||
401 | } | ||
402 | } | ||
403 | |||
404 | class DrawString extends Command { | ||
405 | String string; | ||
406 | Point position; | ||
407 | DrawString(String string, Point position) {this.string = string; this.position = position;} | ||
408 | @Override | ||
409 | void execute(Graphics2D g2D) { | ||
410 | g2D.drawString(string, position.x, position.y); | ||
411 | } | ||
412 | } | ||
413 | |||
414 | |||
415 | |||
416 | |||
417 | |||
418 | |||
419 | |||
420 | |||
421 | |||
diff --git a/ws2015/eip/blaetter/10/1/de/lmu/ifi/tcs/HuepfendeBaelle.java b/ws2015/eip/blaetter/10/1/de/lmu/ifi/tcs/HuepfendeBaelle.java new file mode 100644 index 0000000..f6e1eef --- /dev/null +++ b/ws2015/eip/blaetter/10/1/de/lmu/ifi/tcs/HuepfendeBaelle.java | |||
@@ -0,0 +1,129 @@ | |||
1 | package de.lmu.ifi.tcs; | ||
2 | |||
3 | import java.awt.Color; | ||
4 | import java.awt.Point; | ||
5 | import java.awt.Rectangle; | ||
6 | import java.awt.Shape; | ||
7 | import java.awt.geom.Ellipse2D; | ||
8 | import java.util.ArrayList; | ||
9 | import java.util.Random; | ||
10 | |||
11 | |||
12 | public class HuepfendeBaelle { | ||
13 | |||
14 | private ArrayList<Ball> baelle; | ||
15 | private GraphicsWindow gw; | ||
16 | |||
17 | // Parameter | ||
18 | private final static int max_x = 640; | ||
19 | private final static int max_y = 480; | ||
20 | private final static int ballgroesse = 20; | ||
21 | private final static int knopfgroesse = 40; | ||
22 | /** | ||
23 | * @param args | ||
24 | * @throws InterruptedException | ||
25 | */ | ||
26 | public static void main(String[] args) throws InterruptedException { | ||
27 | |||
28 | Point randpunkt = new Point(max_x-ballgroesse,max_y-ballgroesse); | ||
29 | ArrayList<Ball> baelle = new ArrayList<Ball>(); | ||
30 | |||
31 | Ball b = new Ball(randpunkt, new Point(50,60), 100,90, Color.MAGENTA); | ||
32 | baelle.add(b); | ||
33 | b = new Ball(randpunkt, new Point(200,100), -5,20, Color.ORANGE); | ||
34 | baelle.add(b); | ||
35 | b = new Ball(randpunkt, new Point(323,243), 10,-30, Color.GREEN); | ||
36 | baelle.add(b); | ||
37 | b = new Ball(randpunkt, new Point(23,43), -199,-200); | ||
38 | |||
39 | GraphicsWindow gw = new GraphicsWindow(max_x,max_y); | ||
40 | gw.setText("Bälle anklicken; blaue Leiste zum Beenden anklicken."); | ||
41 | |||
42 | HuepfendeBaelle hb = new HuepfendeBaelle(baelle, gw); | ||
43 | |||
44 | |||
45 | //while( true ) { | ||
46 | for (Ball ball : baelle) { | ||
47 | ball.updatePosition(); | ||
48 | } | ||
49 | hb.zeichneAlleBaelle(); | ||
50 | //} | ||
51 | |||
52 | // Vearbeitung der Mouse-clicks. | ||
53 | Point click = gw.mouseClick(); | ||
54 | Random zufall = new Random(); | ||
55 | while (click.x >= 0 && click.x <= max_x && click.y >= knopfgroesse && click.y <= max_y) { | ||
56 | if (hb.treffer(click)) { | ||
57 | gw.setText("Treffer! ("+ click.x + "," + click.y +")"); | ||
58 | } else { | ||
59 | gw.setText("Daneben! ("+ click.x + "," + click.y +")"); | ||
60 | b = new Ball(randpunkt, click, (zufall.nextDouble()-0.5)*200, (zufall.nextDouble()-0.5)*200); | ||
61 | hb.plusBall(b); | ||
62 | } | ||
63 | for (Ball ball : baelle) { | ||
64 | ball.updatePosition(); | ||
65 | } | ||
66 | hb.zeichneAlleBaelle(); | ||
67 | click = gw.mouseClick(); // Warten auf Mausklick | ||
68 | } | ||
69 | gw.setText("Auf Wiedersehen!"); | ||
70 | gw.sleep(8000); | ||
71 | |||
72 | System.exit(0); | ||
73 | } | ||
74 | |||
75 | /** | ||
76 | * @param baelle | ||
77 | * @param gw | ||
78 | */ | ||
79 | public HuepfendeBaelle(ArrayList<Ball> baelle, GraphicsWindow gw) { | ||
80 | this.baelle = baelle; | ||
81 | this.gw = gw; | ||
82 | } | ||
83 | |||
84 | |||
85 | /* Zeichnet alle Baelle ins GraphicsWindow ein */ | ||
86 | public void zeichneAlleBaelle() { | ||
87 | gw.clear(); | ||
88 | zeichneEnde(); | ||
89 | for (Ball ball : baelle) { | ||
90 | gw.setColor(ball.getFarbe()); | ||
91 | zeichneBallBei(ball.holePosition()); | ||
92 | } | ||
93 | } | ||
94 | |||
95 | /* Zeichnet einen Ball bei einer speziellen Position */ | ||
96 | public void zeichneBallBei(Point p) { | ||
97 | Shape ball = new Ellipse2D.Double(p.getX(), p.getY(), ballgroesse, ballgroesse); | ||
98 | gw.fill(ball); | ||
99 | } | ||
100 | |||
101 | /* Fügt einen weiteren Ball hinzu */ | ||
102 | public void plusBall(Ball b) { | ||
103 | this.baelle.add(b); | ||
104 | } | ||
105 | |||
106 | /* Prüft ab, ob sich an einer gegebenen Position ein Ball befindet | ||
107 | * und wechselt ggf. dessen Farbe. | ||
108 | */ | ||
109 | public boolean treffer(Point schuss) { | ||
110 | for (Ball ball : baelle) { | ||
111 | Point bpos = ball.holePosition(); | ||
112 | bpos.translate(ballgroesse/2, ballgroesse/2); | ||
113 | if (schuss.distance(bpos) <= ballgroesse+5) { | ||
114 | ball.wechsleFarbe(); | ||
115 | return true; | ||
116 | } | ||
117 | } | ||
118 | return false; | ||
119 | } | ||
120 | |||
121 | /* | ||
122 | * Zeichnet einfach nur einen blauen Balken am oberen Fensterrand. | ||
123 | */ | ||
124 | public void zeichneEnde() { | ||
125 | Rectangle ende = new Rectangle(0,0,max_x, knopfgroesse); | ||
126 | gw.setColor(Color.BLUE); | ||
127 | gw.fill(ende); | ||
128 | } | ||
129 | } | ||