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3D Starafield Java Source: import java.awt.*; import java.applet.Applet; public class StarField extends Applet implements Runnable { Dimension d; Font font = new Font("Helvetica", Font.BOLD, 36); FontMetrics fm; Graphics goff; Image ii; Thread thethread; String s; final int numstars=64; int[] starx, stary, starz; final int c=8; public String getAppletInfo() { return("Starfield - Door Brian Postma"); } public void init() { Graphics g; int i; d = size(); g=getGraphics(); g.setFont(font); fm = g.getFontMetrics(); stary=new int[numstars]; starx=new int[numstars]; starz=new int[numstars]; for (i=0; i0 && d.height>0) { ii = createImage(d.width, d.height); goff = ii.getGraphics(); } if (goff==null || ii==null) return; goff.setFont(font); goff.setColor(Color.black); goff.fillRect(0, 0, d.width, d.height); DrawStars(); goff.setColor(new Color(128, 192, 255)); goff.drawString(s,(d.width-fm.stringWidth(s)) / 2, d.height/2 ); g.drawImage(ii, 0, 0, this); } public void DrawStars() { int i,x1,y1,x2,y2; goff.setColor(Color.white); for (i=0; id.width || y2<0 || y2>d.height || starz[i]<2) { starx[i]=c*(int)(Math.random()*d.width-d.width/2); stary[i]=c*(int)(Math.random()*d.height-d.height/2); starz[i]=66; } else { goff.setColor(new Color(255-3*(int)starz[i],255-3*(int)starz[i],255-3*(int)starz[i])); goff.drawLine(x1,y1,x2,y2); } } } public void run() { long starttime; Graphics g; Thread.currentThread().setPriority(Thread.MAX_PRIORITY); g=getGraphics(); while(true) { starttime=System.currentTimeMillis(); try { paint(g); starttime += 30; Thread.sleep(Math.max(0, starttime-System.currentTimeMillis())); // Thread.sleep(20); } catch (InterruptedException e) { break; } } } public void start() { if (thethread == null) { thethread = new Thread(this); thethread.start(); } } public void stop() { if (thethread != null) { thethread.stop(); thethread = null; } } }

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