Exemple #1
0
 public void drawTileNumC(int tileNum, int x, int y, Color c, Graphics g) {
   BufferedImage coloredTile = tiles[tileNum];
   for (int i = 0; i < this.tW; i++) {
     for (int j = 0; j < this.tH; j++) {
       Color originalColor = new Color(coloredTile.getRGB(i, j), true);
       Color nc = new Color(c.getRed(), c.getGreen(), c.getBlue(), originalColor.getAlpha());
       coloredTile.setRGB(i, j, nc.getRGB());
     }
   }
   g.drawImage(tiles[tileNum], x, y, null);
 }
 /**
  * Returns the red value of the image at the given coordinates.
  *
  * <p>The coordinates should be non-negative and less than the width (x) or height (y) of the
  * image. The red value is returned as an integer in the range [0,255].
  *
  * @param x the horizontal coordinate of the pixel
  * @param y the vertical coordinate of the pixel
  * @return the red value at the given coordinates
  */
 public int getRed(int x, int y) {
   // works!
   Color c = new Color(img.getRGB(x, y));
   return c.getRed(); // (img.getRGB(x, y) & 0x00ff0000) >> 16;
 }
  public GroundTexture(int size, Ground grnd) {

    System.out.println("Calculating Ground Texture...");

    img = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);

    double r, g, b;
    Random rnd = new Random();

    System.out.print("Initializing...");

    for (int x = 0; x < size; x++) {
      for (int y = 0; y < size; y++) {
        double slope = 0;
        for (int nx = x - 1; nx < x + 1; nx++)
          for (int ny = y - 1; ny < y + 1; ny++)
            if ((nx >= 0) && (nx < size))
              if ((ny >= 0) && (ny < size)) slope += Math.abs(grnd.topo[nx][ny] - grnd.topo[x][y]);
        if (slope < 1) slope = 1;
        g = 5d + 80d / (grnd.topo[x][y] / 2000d + 1d) + rnd.nextDouble() * 30d / (slope);
        r =
            g
                * (1.17
                    + (-.3 + (rnd.nextDouble() * .3))
                        / (grnd.topo[x][y] / 200d + 1d)
                        / (slope / 5 + 1));
        b =
            r
                * (.7
                    + (-.3 + (rnd.nextDouble() * .2))
                        / (grnd.topo[x][y] / 200d + 1d)
                        / (slope / 5 + 1));

        img.setRGB(x, y, colorRGB((int) r, (int) g, (int) b));
      }
    }

    /**/

    //		save("bodentextur2","png");

    System.out.print("                \rRandom Growth");

    for (int i = 0; i < size * size * 8; i++) {
      if (i % (size * size / 2) == 0) System.out.print(".");
      int x = 3 + rnd.nextInt(size - 6);
      int y = 3 + rnd.nextInt(size - 6);
      int nx = x - 1 + rnd.nextInt(3);
      int ny = y - 1 + rnd.nextInt(3);
      while ((nx < 0) || (nx >= size) || (ny < 0) || (ny >= size)) {
        nx = x - 1 + rnd.nextInt(3);
        ny = y - 1 + rnd.nextInt(3);
      }
      Color dis = getColorAt(x, y);
      Color col = getColorAt(nx, ny);
      if (grnd.topo[nx][ny] >= 4.5)
        if (col.getGreen() / col.getRed() > dis.getGreen() / dis.getRed())
          if (Math.abs(grnd.topo[x][y] - grnd.topo[nx][ny]) < .65) {
            int c = colorRGB(col.getRed(), col.getGreen(), col.getBlue());
            // img.setRGB(x,y, colorRGB(col.getRed(), col.getGreen(), col.getBlue()));
            // img.setRGB(x-1+rnd.nextInt(3),y-1+rnd.nextInt(3), colorRGB(col.getRed(),
            // col.getGreen(), col.getBlue()));
            for (nx = x - 1 - rnd.nextInt(3); nx < 1 + x + rnd.nextInt(3); nx++)
              for (ny = y - 1 - rnd.nextInt(3); ny < y + 1 + rnd.nextInt(3); ny++) {
                img.setRGB(nx, ny, c);
                grnd.topo[nx][ny] += 1.8;
              }
          }
    }

    System.out.print("                 \rAntialiasing...");
    /*		for (int x = 0; x < size; x++){
    	for (int y = 0; y < size; y++){
    		double sumr = 0;
    		double sumg = 0;
    		double sumb = 0;
    		double div = 0;
    		for (int nx=x-1;nx<x+1;nx++)
    			for (int ny=y-1;ny<y+1;ny++)
    				if ((nx>=0) && (nx < size)) if ((ny>=0) && (ny < size)) {
    					Color col = getColorAt(nx,ny);
    					sumr+=col.getRed();
    					sumg+=col.getGreen();
    					sumb+=col.getBlue();
    					div++;
    				}
    		r=sumr/div;
    		g=sumg/div;
    		b=sumb/div;
    		img.setRGB(x,y, colorRGB((int)r, (int)g, (int)b) );

    	}
    }*/

    System.out.print("        \r");
    //		save("bodentextur3","png");
    save("bodentextur", "png");
  }