Open courses at Stanford University--programming method Job 3__ programming

Job requirements and related introduction too much, directly affixed to the source code I wrote. However, there are some problems that are not fully understood. This can only be counted as an initial version.

Program Source code:

* * * File:Breakout.java *-------------------* Name: * Leader: * * This File would eventually implement the game of Breakout. * * Import acm.graphics.*; Import acm.program.*; Import acm.util.*; Import java.applet.*; Import java.awt.*; Import java.awt.event.*; public class Breakout extends Graphicsprogram {/** Width and height of application windows in pixels/public static FINA l int application_width = 400; public static final int application_height = 600; /** Dimensions of game board (usually the same) * * private static final int WIDTH = Application_width; private static final int HEIGHT = application_height; /** Dimensions of the paddle * * private static final int paddle_width = 60; private static final int paddle_height = 10; /** Offset of the paddle up from the bottom * * private static final int paddle_y_offset = 30; /** number of bricks per row/private static final int nbricks_per_row = 10; /** number of rows of bricks * private static final int nbrick_rows = 10; /** Separation between bricks * * private static final int brick_sep = 4; /** Width of a brick * * private static final int brick_width = (Width-(nbricks_per_row-1) * brick_sep)/Nbricks_per_ro W /** Height of a brick * * private static final int brick_height = 8; /** Radius of the ball in pixels * * private static final int ball_radius = 10; /** Offset of the top brick row from the top * * private static final int brick_y_offset = 70; /** number of turns * * private static final int nturns = 3; /* Method:run () * * * * */** runs the breakout program. */public void Run () {/* You are fill this in, along and any subsidiary methods/Gameinit (); GamePlay (); * * ********** * Function Name: Gameinit * Function: Initialize set game window size, * Draw bricks and bezel * *************************************** * * private void Gameinit () {//interface initialization/* SET Window Size * * * setSize (width + 8, height + 54);//////////////////////(+ =//////////// Glabel ("width:" + getwidth () + "Height:" + getheight (), 10,10)); * * Draw Bricks/brickinit (); /* DrawBaffle */Paddleinit (); /* Draw Ball/ballinit (); * * Add mouse Monitor Event/addmouselisteners (); * * * ****************************************** * Function name: Brickinit * Function: Bricks when drawing initial state * *********************************** * * private void Brickinit () {/* * The starting x coordinate of the bricks */double xpos = (Width-brick_width * nbricks_per_row-brick_sep * (N) BRICKS_PER_ROW-1))/2; Color color[] = {Color.red,color.orange,color.yellow,color.green,color.cyan}; for (int i=0 i < nbrick_rows;i++) {/* Brick y-coordinate */double y = brick_y_offset + i * (brick_sep + brick_height); for (int j=0 J < nbricks_per_row;j++) {* * The x coordinate of the bricks/double x = xpos + J * (Brick_sep + brick_width); Grect brick = new Grect (x,y,brick_width,brick_height); Brick.setfilled (TRUE); * * Brick Fill Color///brick.setcolor (COLOR[I/2]); if ((I/2) = = 0) {brick.setcolor (color.red);} else if ((I/2) = = 1) {Brick.setcolor (color.orange);} else if ((I/2) = 2 {Brick.setcolor (color.yellow);} else if ((I/2) = = 3) {Brick.setcolor (color.green);} else if ((I/2) = 4) {BRICK.setcolor (Color.cyan); Add (brick); }}/* ****************************************** * Function name: Addleinit * Function: Draw the initial state of the bezel * ******************************** * * private void Paddleinit () {Double xpos = (width-paddle_width)/2,//x coordinates yPos = Height-paddle_height-pa Ddle_y_offset; Y-coordinate paddle = new Grect (xpos,ypos,paddle_width,paddle_height); Paddle.setfilled (TRUE); Add (paddle); Add (New Glabel ("X:" + paddle.getx () + "Y:" + paddle.gety (), 10,10));} * * ****************************************** * Function name: Ballinit * Function: Draw the ball of the initial state and make the ball * in the Center of the window * ************************** */public void Ballinit () {Double xpos = WIDTH/2-Ball_radius,//initial x coordinate YPos = HEIGHT/2-Ball_radius;// Initial y-coordinate ball = new Goval (xpos,ypos,2 * ball_radius,2 * Ball_radius); Ball.setcolor (Color.Black); Ball.setfilled (TRUE); Add (ball); * * * ****************************************** * Function name: mousemoved * Function: Make bezel follow mouse move * parameter: e--Mouse event * ************** * * PubLIC void mousemoved (MouseEvent e) {paddle.move (E.getx ()-Paddle.getx (), 0); if (Paddle.getx () > (width-paddle_width)) {//If the right is out of bounds, position the bezel to the right edge Paddle.setlocation (Width-paddle_width, Paddle.gety ());} * * * ****************************************** * Function name: GamePlay * Function: Start the game process, and deal with the problems encountered in the game process * ******************** * * private void GamePlay () {/* Number of bricks/int bricknum = Nbricks_per_row * nbrick_rows; VX = Rgen.ne Xtdouble (-3.0, 3.0); while (!isgameover ()) {ball.move (VX, VY); pause (10); GObject collider = Getcollidingobject (); The object touched by the ball if (collider = = paddle) {vy =-vy;} else if (collider!= null) {//bounceclip.play (); vy =-vy; remove (collider); bricknum--; if (Bricknum = = 0) break; ///If the ball touches both sides of the boundary (Ball.getx () <= 0) | | (Ball.getx () + (2 * ball_radius) >= WIDTH)) {VX =-VX;} if (ball.gety () <= 0) {vy =-vy;}} if (bricknum!= 0) {/* game after over operation * * Gameover ();} else{/* Bricks have all been eliminated */aftersuccess ();} /* * ************************************** Function Name: Getcollidingobject * Function: Get the object that the ball encountered * return value: gobj--encountered objects * ******************************************/pri Vate GObject Getcollidingobject () {GObject gobj = null; gobj = Getelementat (Ball.getx (), ball.gety ()); if (gobj = null) {g obj = Getelementat (Ball.getx () + 2 * Ball_radius, ball.gety () + 2 * Ball_radius); } if (gobj = = null) {gobj = Getelementat (Ball.getx (), ball.gety () + 2 * Ball_radius);} if (gobj = null) {gobj = GetElement At (Ball.getx () + 2 * Ball_radius, ball.gety ()); return gobj; * * * ****************************************** * Function name: Isgameover * Function: To determine whether the game ended with failure * Note: Ball contact to the bottom of the window * ************** * * Private Boolean Isgameover () {return (Ball.gety () + 2 * Ball_radius) >= HEIGHT); * ****************************************** * Function name: Gameover * Function: operation after the failure of the game * ***************************************** * */private void Gameover () {RemoveAll (); Glabel over = the new Glabel ("Game over!"); Over.setfont ("Serif-36"); Over.setcolor (color.red); Add (Over, (Width-over.getwidth ())/2, (Height-over.getascent ())/2); * * * ****************************************** * Function name: aftersuccess * Function: The celebration interface after all bricks have been removed * ****************************** * * private void aftersuccess () {RemoveAll (); Glabel label = new Glabel ("SUCCESS!!!"); Label.setfont ("Serif-36"); Add (Label, (Width-label.getwidth ())/2, (Height-label.getascent ())/2); Grect su = new Grect (0,0,width,height); Su.setfilled (TRUE); for (int i=0;i < 5;i++) {Su.setfillcolor (Rgen.nextcolor ()), add (SU), Label.sendforward (); Pause (400);}} /* Private instance variable * * Grect paddle; Bezel private goval ball; Ball private Randomgenerator Rgen = Randomgenerator.getinstance (); /* The moving coordinates of the ball * * Private double vx,vy = 3.0; }