import element.*;import java.awt.Color;public class Assignment { // on click the mouse will fire a laser but MISS // the laser will fire 3 times and kill 3 invaders static int x = 50; static int y = 75; final static int radius = 15; static DrawingWindow d = new DrawingWindow(500,500); static int q = 1000; static boolean z = true; //static int k = 0; static class TimerThread extends Thread { boolean running = true; public void run( ) { while ( this.running ) { // Update timer } } public void updateRunning( boolean newRunning ) { this.running = newRunning; } } static class MothershipThread extends Thread { boolean running = true; public void run( ) { while ( this.running ) { // Do something with the mothership } } public void updateRunning( boolean newRunning ) { this.running = newRunning; } } public static void StatusText() { Text statush = new Text("HEALTH:", 25,25); d.setForeground(Color.WHITE); d.fill(statush); /* Text status = new Text("SURVIVAL TIME: " + k, 250,25); d.setForeground(Color.WHITE); d.fill(status); tpause(); k = k + 1; d.setForeground(Color.BLACK); d.fill(status); */ } public static void FooterText() { Text footy = new Text("You are watching an animation attempting to replicate the game", 30, 485); Text footy2 = new Text("Space Invaders, please enjoy", 30, 499); d.setForeground(Color.WHITE); d.fill(footy); d.fill(footy2); } // Health Bars public static void HealthBars() { Rect bar1 = new Rect (80, 15, 5, 15); Rect bar2 = new Rect (95, 15, 5, 15); Rect bar3 = new Rect (110, 15, 5, 15); d.setForeground(Color.WHITE); d.fill(bar1); d.fill(bar2); d.fill(bar3); } public static void FooterBar() { Rect bar4 = new Rect (25, 475, 450, 50); d.setForeground(Color.DARK_GRAY); d.fill(bar4); } // Border Start public static void Border() { d.setForeground(Color.WHITE); Line lone = new Line(25,500,25,50); Line ltwo = new Line(25,50,475,50); Line lthree = new Line(475,50,475,500); d.fill(lone); d.fill(ltwo); d.fill(lthree); // Border End } // Invader Drawing public static void Circles (DrawingWindow d, int x, int y) { Circle invader = new Circle(x, y, radius); Circle invader2 = new Circle(x += 50, y, radius); Circle invader3 = new Circle(x += 50, y, radius); Circle invader4 = new Circle(x += 50, y, radius); Circle invader5 = new Circle(x += 50, y, radius); Circle invader6 = new Circle(x += 50, y, radius); Circle invader7 = new Circle(x += 50, y, radius); d.setForeground(Color.GREEN); d.fill(invader); d.fill(invader2); d.fill(invader3); d.fill(invader4); d.fill(invader5); d.fill(invader6); d.fill(invader7); // End invader Drawing } // Invader Clearing public static void ClearCircles (DrawingWindow d, int x, int y) { Circle invader = new Circle(x, y, radius); Circle invader2 = new Circle(x += 50, y, radius); Circle invader3 = new Circle(x += 50, y, radius); Circle invader4 = new Circle(x += 50, y, radius); Circle invader5 = new Circle(x += 50, y, radius); Circle invader6 = new Circle(x += 50, y, radius); Circle invader7 = new Circle(x += 50, y, radius); d.setForeground(Color.BLACK); d.fill(invader); d.fill(invader2); d.fill(invader3); d.fill(invader4); d.fill(invader5); d.fill(invader6); d.fill(invader7); // End Invader Clearing } // Invader Movement Start public static void MoveRight() { for (int loopcounter = 1; loopcounter <= 10; loopcounter++) { pause(); ClearCircles (d, x , y); Circles (d, x += 10, y); } } public static void MoveLeft() { for (int loopcounter = 1; loopcounter <= 10; loopcounter++) { pause(); ClearCircles (d, x , y); Circles (d, x -= 10, y); } } public static void MoveDown() { pause(); ClearCircles (d, x, y); Circles (d, x, y += 20); q = q - 50; } // Invader Movement End public static void main(String args[]) { MothershipThread mothershipThread = new Assignment.MothershipThread( ); TimerThread timerThread = new Assignment.TimerThread( ); d.setForeground(Color.BLACK); d.fill(new Rect(0,0,500,500)); FooterBar(); Border(); StatusText(); HealthBars(); FooterText(); mothershipThread.start( ); timerThread.start( ); for (int loopcounter = 1; loopcounter <= 10; loopcounter++) { MoveRight(); MoveDown(); MoveLeft(); MoveDown(); } z = false; mothershipThread.updateRunning( false ); timerThread.updateRunning( false ); //Circles (d, x, y); //int loopcounter; //Circles(d, x, y); //Circles (d, x + 30, y); //Circles (d, x + 60, y); } public static void pause() { long then = System.currentTimeMillis()+q; while (System.currentTimeMillis()<=then){} } public static void tpause() { long then = System.currentTimeMillis()+1000; while (System.currentTimeMillis()<=then){} }}