Hamster

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<language>Java</language>
<code id="4b03d247ead06" hidden>
int GridSize = 32;

public Object Hamster(Object Spielfeld) {
   public int x;
   public int y;
   public int look = 0; // 0 up, 1 right, 2 down, 3 left

   Object Feld= Spielfeld;
   int inMouth = 0;

   void vor() {
     Thread.sleep(100);
     Feld.drawField(x,y);
     if(look == 0)
      if(y > 0) y--; else y = Feld.sizeY-1;
     if(look == 1)
      if(x < Feld.sizeX-1) x++; else x = 0;
     if(look == 2)
      if(y < Feld.sizeY-1) y++; else y = 0;
     if(look == 3)
      if(x > 0) x--; else x = Feld.sizeX-1;
     draw();
   }

   void linksUm() {
     Thread.sleep(100);
     if(look == 0) look = 3; else
     if(look == 1) look = 0; else
     if(look == 2) look = 1; else
     if(look == 3) look = 2; 
     draw();
   }

   void nimm() {
     if(Feld.map[x][y] > 0) {
      Feld.map[x][y]--;
      inMouth++;
      draw();
     }else alert("Kein Korn hier");
   }

   void gib() {
     if(inMouth > 0){
      Feld.map[x][y]++;
      inMouth--;
      draw();
     }else alert("Kein Korn im Mund");
   }

   boolean vornFrei() {
     if(look == 0)
      if(y > 0) return Feld.map[x][y-1] != -1;
     if(look == 1)
      if(x < Feld.sizeX-1) return Feld.map[x+1][y] != -1;
     if(look == 2)
      if(y < Feld.sizeY-1) return Feld.map[x][y+1] != -1;
     if(look == 3)
      if(x > 0) return Feld.map[x-1][y] != -1;
     return true;
   }

   boolean kornDa() {
     return Feld.map[x][y] > 0;
   }

   boolean maulLeer() {
     return inMouth == 0;
   }

   void draw(){
     Feld.drawField(x,y);
     canvas.drawImage(x*GridSize,y*GridSize,GridSize,GridSize,"http://michael-hielscher.de/hamster/hamster"+look+".png");
   }   
   return this;
}

public Object Spielbrett() {
   public int sizeX = 10;
   public int sizeY = 8;
   public int[][] map= new int[sizeX][sizeY];
 
   void initMap(){
     canvas.clear();
     for(int y=0; y < sizeY; y++) 
      for(int x=0; x < sizeX; x++) 
       if(x==0 ||y == 0||x == sizeX-1|| y == sizeY-1) map[x][y] = -1;
     drawMap();
   }
   void drawMap(){
     for(int y=0; y < sizeY; y++) 
      for(int x=0; x < sizeX; x++) 
       drawField(x,y);
   }
   void drawField(int x, int y) {
     canvas.clear(x*GridSize,y*GridSize,GridSize,GridSize);
     canvas.rect(x*GridSize,y*GridSize,GridSize-1,GridSize-1);
     if(map[x][y] == -1) {
       canvas.drawImage(x*GridSize,y*GridSize,GridSize,GridSize,"http://michael-hielscher.de/hamster/brick_wall.png");
     }
     if(map[x][y] > 0) {
       int image = map[x][y];  
       if(image > 9) image = 9;
       canvas.drawImage(x*GridSize,y*GridSize,GridSize,GridSize,"http://michael-hielscher.de/hamster/grain"+image+".png");
     }
   }
   void putGrain(int x, int y,int count) {
     map[x][y] = count;
     drawField(x,y);
   }
   return this;
}

Object Spielfeld = Spielbrett();
Object Paul = Hamster(Spielfeld);

</code>

<eval id="4b03d247eb4f5">
Spielfeld.initMap();
Paul.x = 5;
Paul.y = 5;
Spielfeld.putGrain(2,2,4);

for(int i = 0; i < 8; i++) {
 Paul.linksUm();
 while(Paul.vornFrei()) Paul.vor();
}
</eval>
<canvas w=600 h=400>
</canvas>