star.rar_STAR

package CanvaS; import java.util.Random; import java.util.Timer; import java.util.TimerTask; import javax.microedition.lcdui.Canvas; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Graphics; import javax.microedition.midlet.MIDlet; import javax.microedition.midlet.MIDletStateChangeException; import com.sun.perseus.model.Time; public class star extends MIDlet { Display display; StarField field = new StarField(); FieldMover mover = new FieldMover(); Timer timer = new Timer(); Graphics gg; Random random; public star() { display = Display.getDisplay(this); } protected void destroyApp(boolean arg0) throws MIDletStateChangeException { // TODO Auto-generated method stub } protected void pauseApp() { // TODO Auto-generated method stub } protected void startApp() throws MIDletStateChangeException { display.setCurrent(field); timer.schedule(mover, 10, 20); } class FieldMover extends TimerTask { public void run() { field.scroll(); } } } class StarField extends Canvas { int height; int width; int[] star; Random generator = new Random(); Random random = new Random(); public StarField() { height = getHeight(); width = getWidth(); star = new int[height]; for (int i = 0; i < height; i++) { star[i] = -1; } } public void scroll() { for (int i = height - 1; i > 0; i--) { star[i] = star[i - 1]; } star[0] = Math.abs(generator.nextInt() % width) * 2; if (star[0] >= width) { star[0] = -1; } repaint(); } protected void paint(Graphics g) { int red = (random.nextInt() >>> 1) % 256; int green = (random.nextInt() >>> 1) % 256; int blue = (random.nextInt() >>> 1) % 256; g.setColor(0, 0, 0); g.fillRect(0, 0, width, height); g.setColor(red, green, blue); for (int y = 0; y < height; y++) { int x = star[y]; if (x == -1) { continue; } g.drawLine(x, y, x, y); } } }