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examples/zm_aquarium/Background.java

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+
+import schule.ngb.zm.Layer;
+
+import java.awt.Graphics2D;
+import java.awt.Image;
+
+public class Background extends Layer {
+
+	private static final int TILE_SIZE = 64;
+
+	private int tile_width;
+
+	private Image[] floor, plants;
+
+	private Image water;
+
+	public Background() {
+		super();
+	}
+
+	public Background( int width, int height ) {
+		super(width, height);
+	}
+
+	@Override
+	public void setSize( int width, int height ) {
+		super.setSize(width, height);
+		generateBackground();
+	}
+
+	public void generateBackground() {
+		tile_width = (int)(ceil(getWidth()/(double)TILE_SIZE));
+		floor = new Image[tile_width];
+		plants = new Image[tile_width];
+
+		for ( int i = 0; i < tile_width; i++ ) {
+			floor[i] = loadImage("tiles/floor"+random(1,8)+".png");
+			if( random(1,10) < 4 ) {
+				plants[i] = loadImage("tiles/plant"+random(1,14)+".png");
+			}
+		}
+
+		water = loadImage("tiles/water.png");
+
+		for ( int i = 0; i < getHeight(); i += TILE_SIZE ) {
+			for ( int j = 0; j < getWidth(); j += TILE_SIZE ) {
+				drawing.drawImage(water, j, i, null);
+			}
+		}
+
+		for ( int i = 0; i < tile_width; i++ ) {
+			if( plants[i] != null ) {
+				drawing.drawImage(plants[i], i*TILE_SIZE, getHeight() - (2*TILE_SIZE) + 10,TILE_SIZE,TILE_SIZE, null);
+			}
+			drawing.drawImage(floor[i], i*TILE_SIZE, getHeight() - TILE_SIZE,TILE_SIZE,TILE_SIZE, null);
+		}
+	}
+
+}