git.zerfleddert.de Git - FreeShisen/blob - src/org/proofofconcept/shisensho/ShisenShoView.java

   1 package org.proofofconcept.shisensho;
   2
   3 import java.util.List;
   4 import java.util.Timer;
   5 import java.util.TimerTask;
   6
   7 import android.app.Activity;
   8 import android.content.Context;
   9 import android.graphics.Bitmap;
  10 import android.graphics.BitmapFactory;
  11 import android.graphics.Canvas;
  12 import android.graphics.Color;
  13 import android.graphics.Paint;
  14 import android.graphics.Paint.Align;
  15 import android.graphics.Paint.Cap;
  16 import android.graphics.Paint.Join;
  17 import android.graphics.Paint.Style;
  18 import android.graphics.Rect;
  19 import android.graphics.Typeface;
  20 import android.os.Handler;
  21 import android.os.Message;
  22 import android.view.MenuItem;
  23 import android.view.MotionEvent;
  24 import android.view.SurfaceHolder;
  25 import android.view.SurfaceView;
  26
  27 class ShisenShoView extends SurfaceView implements SurfaceHolder.Callback {
  28
  29         private enum StatePlay { UNINITIALIZED, IDLE, SELECTED1, SELECTED2, GAMEOVER };
  30         private enum StatePaint { BOARD, SELECTED1, SELECTED2, MATCHED, WIN, LOSE, HINT, TIME };
  31
  32         private int screenWidth;
  33         private int screenHeight;
  34         private int tilesetRows;
  35         private int tilesetCols;
  36         private int tileHeight;
  37         private int tileWidth;
  38         private Bitmap bg;
  39         private Bitmap tile[];
  40         private int[] selection1=new int[2];
  41         private int[] selection2=new int[2];
  42         private List<Point> path=null;
  43         private List<Line> pairs=null;
  44         private long startTime;
  45         private long playTime;
  46         private long baseTime;
  47         private Timer timer;
  48         private Handler timerHandler;
  49
  50         private boolean timerRegistered=false;
  51         private ShisenSho app;
  52         private StatePlay cstate;
  53         private StatePaint pstate;
  54         private Canvas canvas = null;
  55         private SurfaceHolder surfaceHolder = null;
  56         private String debugMessage = "";
  57
  58         public ShisenShoView(ShisenSho shishenSho) {
  59                 super((Context)shishenSho);
  60                 this.app = shishenSho;
  61                 cstate = StatePlay.UNINITIALIZED;
  62                 surfaceHolder = getHolder();
  63                 surfaceHolder.addCallback(this);
  64         }
  65
  66         private void paint(StatePaint pstate) {
  67                 this.pstate=pstate;
  68                 repaint();
  69         }
  70
  71         private void control(StatePlay cstate) {
  72                 this.cstate=cstate;
  73         }
  74
  75         private void loadTileset() {
  76                 BitmapFactory.Options ops = new BitmapFactory.Options();
  77                 ops.inScaled = false;
  78                 Bitmap tileset = BitmapFactory.decodeResource(getResources(), R.drawable.tileset, ops);
  79                 tileset.setDensity(Bitmap.DENSITY_NONE);
  80
  81                 // The tile set has 4 rows x 9 columns
  82                 tilesetRows = 4;
  83                 tilesetCols = 9;
  84                 tileWidth = tileset.getWidth()/tilesetCols;
  85                 tileHeight = tileset.getHeight()/tilesetRows;
  86                 tile = new Bitmap[tilesetRows*tilesetCols];
  87                 int k=0;
  88                 for (int i=0; i<tilesetRows; i++) {
  89                         for (int j=0; j<tilesetCols; j++) {
  90                                 tile[k] = Bitmap.createBitmap(tileset, j*tileWidth, i*tileHeight, tileWidth, tileHeight, null, false);
  91                                 tile[k].setDensity(Bitmap.DENSITY_NONE);
  92                                 k++;
  93                         }
  94                 }
  95                 tileWidth = tile[0].getWidth();
  96                 tileHeight = tile[0].getHeight();
  97         }
  98
  99         private void loadBackground() {
 100                 BitmapFactory.Options ops = new BitmapFactory.Options();
 101                 ops.inScaled = false;
 102                 bg = BitmapFactory.decodeResource(getResources(), R.drawable.kshisen_bgnd, ops);
 103                 bg.setDensity(Bitmap.DENSITY_NONE);
 104         }
 105
 106         private void registerTimer() {
 107                 if (timer!=null) return; // Already registered
 108                 timerHandler = new Handler() {
 109                         public void handleMessage(Message msg) {
 110                                 onUpdateTime();
 111                         }
 112                 };
 113                 timer=new Timer();
 114         timer.scheduleAtFixedRate(new TimerTask() {
 115                 public void run() {
 116                         timerHandler.sendEmptyMessage(Activity.RESULT_OK);
 117                 }
 118         }, 0, 1000);
 119                 timerRegistered=true;
 120         }
 121
 122         private void unregisterTimer() {
 123                 if (timer==null) return; // Already unregistered
 124                 timer.cancel();
 125         timer = null;
 126                 timerHandler = null;
 127                 timerRegistered=false;
 128         }
 129
 130         public void pauseTime() {
 131                 updateTime();
 132                 baseTime = playTime;
 133                 startTime = System.currentTimeMillis();
 134
 135         }
 136
 137         public void resumeTime() {
 138                 startTime = System.currentTimeMillis();
 139                 updateTime();
 140         }
 141
 142         private void updateTime() {
 143                 if (cstate!=StatePlay.GAMEOVER) {
 144                         playTime = (System.currentTimeMillis()-startTime)/1000+baseTime;
 145                 }
 146         }
 147
 148         private void initializeGame() {
 149                 loadBackground();
 150                 loadTileset();
 151                 screenWidth=getWidth();
 152                 screenHeight=getHeight();
 153                 //undo.sensitive=false;
 154                 pstate=StatePaint.BOARD;
 155                 app.newPlay();
 156                 control(StatePlay.IDLE);
 157                 startTime=System.currentTimeMillis();
 158                 playTime=0;
 159                 baseTime=0;
 160                 if (app.timeCounter && !timerRegistered) {
 161                         registerTimer();
 162                 }
 163                 pairs=app.board.getPairs(1);
 164         }
 165
 166         public boolean onOptionsItemSelected(MenuItem item) {
 167             // Handle item selection
 168             switch (item.getItemId()) {
 169             case R.id.hint:
 170                 this.postDelayed(new Runnable() { public void run() { onHintActivate(); } }, 100);
 171                 return true;
 172             case R.id.undo:
 173                 this.postDelayed(new Runnable() { public void run() { onUndoActivate(); } }, 100);
 174                 return true;
 175             case R.id.clean:
 176                 this.postDelayed(new Runnable() { public void run() { reset(); } }, 100);
 177                 return true;
 178             case R.id.options:
 179                 return true;
 180             case R.id.about:
 181                 return true;
 182             default:
 183                 return false;
 184             }
 185         }
 186
 187         public void reset() {
 188                 control(StatePlay.UNINITIALIZED);
 189                 paint(StatePaint.BOARD);
 190         }
 191
 192         private void onHintActivate() {
 193                 if (cstate!=StatePlay.GAMEOVER) {
 194                         pairs=app.board.getPairs(1);
 195                         paint(StatePaint.HINT);
 196                         app.sleep(10);
 197                         paint(StatePaint.BOARD);
 198                         control(StatePlay.IDLE);
 199                 }
 200         }
 201
 202         private void onUndoActivate() {
 203                 if (app.board.getCanUndo()) {
 204                         if (cstate==StatePlay.GAMEOVER && app.timeCounter && !timerRegistered) {
 205                                 // Reprogram the time update that had been
 206                                 // deactivated with the game over status
 207                                 registerTimer();
 208                         }
 209                         app.board.undo();
 210                         paint(StatePaint.BOARD);
 211                         //undo.sensitive=app.board.getCanUndo();
 212                         control(StatePlay.IDLE);
 213                 }
 214         }
 215
 216         public void onTimeCounterActivate() {
 217                 if (app.timeCounter && cstate!=StatePlay.GAMEOVER && !timerRegistered) {
 218                         // Reprogram the time update that had been
 219                         // deactivated with the time_counter=false
 220                         registerTimer();
 221                 }
 222         }
 223
 224         private void onUpdateTime() {
 225                 paint(pstate);
 226             if (!(app.timeCounter && cstate!=StatePlay.GAMEOVER)) {
 227                 unregisterTimer();
 228             }
 229         }
 230
 231         public void drawMessage(Canvas canvas, int x, int y, boolean centered, String message, String color, float textSize)  {
 232                 Paint paint = new Paint();
 233                 paint.setColor(Color.parseColor(color));
 234                 paint.setLinearText(true);
 235                 paint.setAntiAlias(true);
 236                 paint.setTextAlign(centered?Align.CENTER:Align.LEFT);
 237                 paint.setTypeface(Typeface.SANS_SERIF);
 238                 paint.setFakeBoldText(true);
 239                 paint.setTextSize(textSize);
 240                 canvas.drawText(message, x, y, paint);
 241         }
 242
 243         public void repaint() {
 244                 if (surfaceHolder == null) return;
 245                 try {
 246                         if (canvas == null) canvas = surfaceHolder.lockCanvas(null);
 247                         if (canvas == null) return;
 248                         if (cstate==StatePlay.UNINITIALIZED) initializeGame();
 249                         synchronized (surfaceHolder) {
 250                                 doDraw(canvas);
 251                         }
 252                 } finally {
 253                         if (canvas != null) {
 254                                 surfaceHolder.unlockCanvasAndPost(canvas);
 255                                 canvas = null;
 256                         }
 257                 }
 258         }
 259
 260         protected void doDraw(Canvas canvas) {
 261                 try {
 262                         // Double buffering
 263                         // Bitmap buffer = Bitmap.createBitmap(canvas.getWidth(), canvas.getHeight(), Bitmap.Config.ARGB_8888);
 264                         //Canvas cbuffer = new Canvas(buffer);
 265                         Canvas cbuffer = canvas;
 266                         if (canvas == null) return;
 267
 268                         //super.onDraw(canvas);
 269
 270                         // Board upper left corner on screen
 271                         int x0=0;
 272                         int y0=0;
 273
 274                         if (app!=null && app.board!=null) {
 275                                 x0=(screenWidth-app.board.boardSize[1]*tileWidth)/2;
 276                                 y0=(screenHeight-app.board.boardSize[0]*tileHeight)/2;
 277                         }
 278
 279                         int red = Color.parseColor("#FF0000");
 280                         int orange = Color.parseColor("#F0C000");
 281                         Paint paint = new Paint();
 282                         paint.setFlags(Paint.ANTI_ALIAS_FLAG);
 283
 284                         // Background & board painting
 285                         switch (pstate) {
 286                         case BOARD:
 287                         case SELECTED1:
 288                         case SELECTED2:
 289                         case MATCHED:
 290                         case WIN:
 291                         case LOSE:
 292                         case HINT:
 293                         case TIME:
 294                                 // Background painting
 295                                 int bgWidth = bg.getWidth();
 296                                 int bgHeight = bg.getHeight();
 297                                 for (int i=0; i<screenHeight/bgHeight+1; i++) {
 298                                         for (int j=0; j<screenWidth/bgWidth+1; j++) {
 299                                                 cbuffer.drawBitmap(bg, j*bgWidth, i*bgHeight, paint);
 300                                         }
 301                                 }
 302
 303                                 // Board painting
 304                                 // Max visible size: 7x17
 305                                 if (app!=null && app.board!=null) {
 306                                         for (int i=0;i<app.board.boardSize[0];i++) {
 307                                                 for (int j=0;j<app.board.boardSize[1];j++) {
 308                                                         // Tiles are 56px height, 40px width each
 309                                                         char piece=app.board.board[i][j];
 310                                                         if (piece!=0) {
 311                                                                 cbuffer.drawBitmap(tile[piece], x0+j*tileWidth, y0+i*tileHeight, paint);
 312                                                         }
 313                                                 }
 314                                         }
 315                                 }
 316                                 break;
 317                         }
 318
 319                         // Red rectangle for selection 1
 320                         switch (pstate) {
 321                         case SELECTED1:
 322                         case SELECTED2:
 323                         case MATCHED:
 324                                 paint.setColor(red);
 325                                 paint.setStyle(Style.STROKE);
 326                                 paint.setStrokeCap(Cap.ROUND);
 327                                 paint.setStrokeJoin(Join.ROUND);
 328                                 paint.setStrokeWidth(3);
 329                                 cbuffer.drawRect(new Rect(
 330                                                 x0+selection1[1]*tileWidth-2,
 331                                                 y0+selection1[0]*tileHeight-2,
 332                                                 x0+selection1[1]*tileWidth-2+tileWidth+2*2,
 333                                                 y0+selection1[0]*tileHeight-2+tileHeight+2*2),
 334                                                 paint);
 335                                 break;
 336                         }
 337
 338                         // Red rectangle for selection 2
 339                         switch (pstate) {
 340                         case SELECTED2:
 341                         case MATCHED:
 342                                 paint.setColor(red);
 343                                 paint.setStyle(Style.STROKE);
 344                                 paint.setStrokeCap(Cap.ROUND);
 345                                 paint.setStrokeJoin(Join.ROUND);
 346                                 paint.setStrokeWidth(3);
 347                                 cbuffer.drawRect(new Rect(
 348                                                 x0+selection2[1]*tileWidth-2,
 349                                                 y0+selection2[0]*tileHeight-2,
 350                                                 x0+selection2[1]*tileWidth-2+tileWidth+2*2,
 351                                                 y0+selection2[0]*tileHeight-2+tileHeight+2*2),
 352                                                 paint);
 353                                 break;
 354                         }
 355
 356                         // Matching path
 357                         switch (pstate) {
 358                         case MATCHED:
 359                                 paint.setColor(red);
 360                                 paint.setStyle(Style.STROKE);
 361                                 paint.setStrokeCap(Cap.ROUND);
 362                                 paint.setStrokeJoin(Join.ROUND);
 363                                 paint.setStrokeWidth(3);
 364
 365                                 if (path!=null) {
 366                                         Point p0=null;
 367                                         for (Point p1 : path) {
 368                                                 if (p0!=null) {
 369                                                         cbuffer.drawLine(
 370                                                                         x0+p0.j*tileWidth-2+(tileWidth/2),
 371                                                                         y0+p0.i*tileHeight-2+(tileHeight/2),
 372                                                                         x0+p1.j*tileWidth-2+(tileWidth/2),
 373                                                                         y0+p1.i*tileHeight-2+(tileHeight/2),
 374                                                                         paint);
 375                                                 }
 376                                                 p0=p1;
 377                                         }
 378                                 }
 379                                 break;
 380                         }
 381
 382                         // Orange hint rectangles
 383                         switch (pstate) {
 384                         case HINT:
 385                                 if (pairs!=null && pairs.size()>0) {
 386                                         Line pair=pairs.get(0);
 387                                         Point a=pair.a;
 388                                         Point b=pair.b;
 389                                         path=app.board.getPath(a,b);
 390                                         paint.setColor(orange);
 391                                         paint.setStyle(Style.STROKE);
 392                                         paint.setStrokeCap(Cap.ROUND);
 393                                         paint.setStrokeJoin(Join.ROUND);
 394                                         paint.setStrokeWidth(3);
 395
 396                                         cbuffer.drawRect(new Rect(
 397                                                         x0+a.j*tileWidth-2,
 398                                                         y0+a.i*tileHeight-2,
 399                                                         x0+a.j*tileWidth-2+tileWidth+2*2,
 400                                                         y0+a.i*tileHeight-2+tileHeight+2*2),
 401                                                         paint);
 402
 403                                         if (path!=null) {
 404                                                 Point p0=null;
 405                                                 for (Point p1 : path) {
 406                                                         if (p0!=null) {
 407                                                                 cbuffer.drawLine(
 408                                                                                 x0+p0.j*tileWidth-2+(tileWidth/2),
 409                                                                                 y0+p0.i*tileHeight-2+(tileHeight/2),
 410                                                                                 x0+p1.j*tileWidth-2+(tileWidth/2),
 411                                                                                 y0+p1.i*tileHeight-2+(tileHeight/2),
 412                                                                                 paint);
 413                                                         }
 414                                                         p0=p1;
 415                                                 }
 416                                                 path=null;
 417                                         }
 418
 419                                         cbuffer.drawRect(new Rect(
 420                                                         x0+b.j*tileWidth-2,
 421                                                         y0+b.i*tileHeight-2,
 422                                                         x0+b.j*tileWidth-2+tileWidth+2*2,
 423                                                         y0+b.i*tileHeight-2+tileHeight+2*2),
 424                                                         paint);
 425                                 }
 426                                 break;
 427                         }
 428
 429                         // Win & loose notifications
 430                         switch (pstate) {
 431                         case WIN:
 432                                 drawMessage(cbuffer, screenWidth/2,screenHeight/2,true,"You Win!", "#FFFFFF", 100);
 433                                 break;
 434                         case LOSE:
 435                                 drawMessage(cbuffer, screenWidth/2,screenHeight/2,true,"Game Over", "#FFFFFF", 100);
 436                                 break;
 437                         }
 438
 439                         if (app.timeCounter) switch (pstate) {
 440                         case BOARD:
 441                         case SELECTED1:
 442                         case SELECTED2:
 443                         case MATCHED:
 444                         case WIN:
 445                         case LOSE:
 446                         case HINT:
 447                         case TIME:
 448                                 updateTime();
 449                                 int hours=(int)(playTime/(60*60));
 450                                 int minutes=(int)((playTime/60)%60);
 451                                 int seconds=(int)(playTime%60);
 452                                 String time=String.format("%01d:%02d:%02d", hours, minutes, seconds);
 453
 454                                 int timePosX=screenWidth-120;
 455                                 int timePosY=screenHeight-10;
 456
 457                                 drawMessage(cbuffer, timePosX+1,timePosY+1,false,time,"#000000",30);
 458                                 drawMessage(cbuffer, timePosX,timePosY,false,time,"#FFFFFF",30);
 459                                 break;
 460                         }
 461
 462                         // Debug messages
 463                         /*
 464                         debugMessage="StatePlay: "+cstate+"\n"+"StatePaint: "+pstate;
 465                         if (debugMessage!=null && debugMessage.length()>0) {
 466                                 int l = 20;
 467                                 String lines[] = debugMessage.split("\n");
 468                                 for (int i=0; i<lines.length; i++) {
 469                                         drawMessage(cbuffer,1,l,false,lines[i],"#FFFF00",30);
 470                                         l+=30;
 471                                 }
 472                         }
 473                         */
 474
 475                         // Double buffer dumping
 476                         // canvas.drawBitmap(buffer, 0, 0, null);
 477
 478                 } catch (Exception e) {
 479                         e.printStackTrace();
 480                 }
 481
 482         }
 483
 484         @Override
 485         public boolean onTouchEvent(MotionEvent event) {
 486                 if (event.getAction()==MotionEvent.ACTION_DOWN) {
 487                         onClick(Math.round(event.getX()),Math.round(event.getY()));
 488                 }
 489                 return super.onTouchEvent(event);
 490         }
 491
 492         private void onClick(int x, int y) {
 493                 try {
 494                         int i=(y-(screenHeight-app.board.boardSize[0]*tileHeight)/2)/tileHeight;
 495                         int j=(x-(screenWidth-app.board.boardSize[1]*tileWidth)/2)/tileWidth;
 496
 497                         switch (cstate) {
 498                         case IDLE:
 499                                 if (i>=0 &&
 500                                                 i<app.board.boardSize[0] &&
 501                                                 j>=0 && j<app.board.boardSize[1] &&
 502                                                 app.board.board[i][j]!=0) {
 503                                         selection1[0]=i;
 504                                         selection1[1]=j;
 505                                         paint(StatePaint.SELECTED1);
 506                                         control(StatePlay.SELECTED1);
 507                                 }
 508                                 break;
 509                         case SELECTED1:
 510                                 if (i>=0 && i<app.board.boardSize[0] &&
 511                                                 j>=0 && j<app.board.boardSize[1] &&
 512                                                 app.board.board[i][j]!=0) {
 513                                         if (i==selection1[0] && j==selection1[1]) {
 514                                                 paint(StatePaint.BOARD);
 515                                                 control(StatePlay.IDLE);
 516                                         } else {
 517                                                 selection2[0]=i;
 518                                                 selection2[1]=j;
 519                                                 paint(StatePaint.SELECTED2);
 520
 521                                                 Point a=new Point(selection1[0],selection1[1]);
 522                                                 Point b=new Point(selection2[0],selection2[1]);
 523                                                 path=app.board.getPath(a,b);
 524                                                 paint(StatePaint.MATCHED);
 525                                                 app.sleep(2);
 526                                                 paint(StatePaint.BOARD);
 527                                                 if (path.size()>0) {
 528                                                         app.board.play(a,b);
 529                                                 }
 530                                                 path=null;
 531                                                 paint(StatePaint.BOARD);
 532
 533                                                 pairs=app.board.getPairs(1);
 534                                                 if (pairs.size()==0) {
 535                                                         if (app.board.getNumPieces()==0) {
 536                                                                 paint(StatePaint.WIN);
 537                                                         } else {
 538                                                                 paint(StatePaint.LOSE);
 539                                                         }
 540                                                         control(StatePlay.GAMEOVER);
 541                                                 } else {
 542                                                         control(StatePlay.IDLE);
 543                                                 }
 544                                                 //undo.sensitive=app.board.getCanUndo();
 545                                         }
 546                                 }
 547                                 break;
 548                         case GAMEOVER:
 549                                 reset();
 550                                 paint(StatePaint.BOARD);
 551                                 break;
 552                         }
 553                 } catch (Exception e) {
 554                         e.printStackTrace();
 555                 }
 556         }
 557
 558         public void surfaceChanged(SurfaceHolder holder, int format, int width,
 559                         int height) {
 560                 surfaceHolder = holder;
 561                 if (cstate!=StatePlay.GAMEOVER && app.timeCounter && !timerRegistered) {
 562                         registerTimer();
 563                 }
 564                 repaint();
 565         }
 566
 567         public void surfaceCreated(SurfaceHolder holder) {
 568                 surfaceHolder = holder;
 569                 repaint();
 570         }
 571
 572         public void surfaceDestroyed(SurfaceHolder holder) {
 573                 surfaceHolder = null;
 574                 if (timerRegistered) {
 575                         unregisterTimer();
 576                 }
 577         }
 578
 579         /*
 580         @Override
 581         protected void onDraw(Canvas canvas) {
 582                 super.onDraw(canvas);
 583
 584                 if (!initialized) initialize();
 585
 586                 long currTime = System.currentTimeMillis();
 587
 588                 a = (float)(currTime - startTime) / (float)duration;
 589                 if (a > (float)1.0) a = (float)1.0;
 590
 591                 x = Math.round(nextx*a + prevx*(1-a));
 592                 y = Math.round(nexty*a + prevy*(1-a));
 593
 594                 if (a == (float)1.0) computeNextTarget();
 595
 596                 int bgWidth = bg.getWidth();
 597                 int bgHeight = bg.getHeight();
 598                 for (int i=0; i<height/bgHeight+1; i++) {
 599                         for (int j=0; j<width/bgWidth+1; j++) {
 600                                 canvas.drawBitmap(bg, j*bgWidth, i*bgHeight, paint);
 601                         }
 602                 }
 603
 604                 canvas.drawBitmap(tile[randomtile], x, y, paint);
 605
 606                 repaint();
 607         }
 608
 609         @Override
 610         public boolean onTouchEvent(MotionEvent event) {
 611                 if (event.getActionMasked()==MotionEvent.ACTION_DOWN) {
 612                         //computeNextTarget();
 613                         //nextx=Math.round(event.getX());
 614                         //nexty=Math.round(event.getY());
 615                 }
 616                 return super.onTouchEvent(event);
 617         }
 618
 619         private void initialize() {
 620                 width = getWidth();
 621                 height = getHeight();
 622
 623                 bg = BitmapFactory.decodeResource(getResources(), R.drawable.kshisen_bgnd);
 624                 Bitmap tileset = BitmapFactory.decodeResource(getResources(), R.drawable.tileset);
 625
 626                 // The tile set has 4 rows x 9 columns
 627                 tsrows = 4;
 628                 tscols = 9;
 629                 twidth = tileset.getWidth()/tscols;
 630                 theight = tileset.getHeight()/tsrows;
 631                 tile = new Bitmap[tsrows*tscols];
 632                 int k=0;
 633                 for (int i=0; i<tsrows; i++) {
 634                         for (int j=0; j<tscols; j++) {
 635                                 tile[k] = Bitmap.createBitmap(tileset, j*twidth, i*theight, twidth, theight, null, false);
 636                                 k++;
 637                         }
 638                 }
 639
 640                 x = width/2;
 641                 y = height/2;
 642
 643                 computeNextTarget();
 644
 645                 initialized = true;
 646         }
 647
 648         private void computeNextTarget() {
 649                 startTime = System.currentTimeMillis();
 650                 prevx = x;
 651                 prevy = y;
 652                 nextx = (int) Math.floor(Math.random() * width);
 653                 nexty = (int) Math.floor(Math.random() * height);
 654                 randomtile = (int) Math.floor(Math.random() * tile.length);
 655
 656                 paint = new Paint();
 657                 paint.setColor(Color.parseColor("#006666"));
 658                 paint.setFlags(Paint.ANTI_ALIAS_FLAG);
 659         }
 660 */
 661 }