Java 当使用For循环在屏幕上绘制ImageArray时，保持在屏幕上绘制/make.jar时，它不会执行
我用Java和Slick制作了这个2D游戏。问题似乎出现在以下代码中：Java 当使用For循环在屏幕上绘制ImageArray时，保持在屏幕上绘制/make.jar时，它不会执行,java,slick2d,Java,Slick2d,我用Java和Slick制作了这个2D游戏。问题似乎出现在以下代码中： public void initRedAndBlueBall() throws SlickException { // Makes sure the red and the blue ball aren't too close for(int i = 0; i <= amountOfEatenBalls; i++) {
public void initRedAndBlueBall() throws SlickException
{
// Makes sure the red and the blue ball aren't too close
for(int i = 0; i <= amountOfEatenBalls; i++)
{
// Get random cordinates for the red and blue ball.
randomRedX[i] = random.nextInt(550) + 24;
randomRedY[i] = random.nextInt(350) + 24;
randomBlueX = random.nextInt(550) + 24;
randomBlueY = random.nextInt(350) + 24;
// Initialize the new Redball with a picture.
redball[i] = new Image("res/RedBall.png");
// Draws the red ball on the screen.
drawRedBall(randomRedX[i], randomRedY[i], redball[i]);
if(isInTheRangeOf(randomRedX[i], randomBlueX, 30) == false)
{
System.out.println("The red and the blue ball have good positions");
break;
}
else if(isInTheRangeOf(randomRedX[i], randomBlueX, 30) == true)
{
System.out.println("The red and the blue ball are to close!");
System.out.println("Repositioning the red and blue ball");
}
}
}
package javagame;
import org.lwjgl.input.Mouse;
import org.newdawn.slick.*;
import org.newdawn.slick.state.*;
import org.newdawn.slick.MouseListener;
public class Menu extends BasicGameState
{
Image PlayNow, PlayNowHover, ExitGame, ExitGameHover, PlayButton, ExitGameButton;
int MousePosX;
int MousePosY;
public Menu(int state) {}
public void init(GameContainer gc, StateBasedGame sbg) throws SlickException
{
// Billederne er 125x26
PlayNow = new Image("res/PlayNow.png");
PlayNowHover = new Image("res/PlayNowHover.png");
ExitGame = new Image("res/ExitGame.png");
ExitGameHover = new Image("res/ExitGameHover.png");
PlayButton = PlayNow;
ExitGameButton = ExitGame;
}
public void render(GameContainer gc, StateBasedGame sbg, Graphics g) throws SlickException
{
// Framet er 600x400
g.drawString(MousePosX + ", " + MousePosY, 500, 10);
g.drawLine(0, 26, 600, 26);
g.drawImage(PlayButton, 200, 100);
g.drawImage(ExitGameButton, 200, 150);
g.drawString("You move with the arrowkeys.", 200, 200);
g.drawString("There's 1 rule:", 200, 215);
g.drawString("Don't eat the red balls!", 200, 230);
g.drawString("But you can enjoy the blue ones :- P", 200, 245);
}
public void update(GameContainer gc, StateBasedGame sbg, int delta) throws SlickException
{
Input input = gc.getInput();
MousePosX = input.getMouseX();
MousePosY = input.getMouseY();
// PlayNow Hover or Normal
if(MousePosX > 200 && MousePosX < 325 && MousePosY > 100 && MousePosY < 126)
{
PlayButton = PlayNowHover;
}
else
{
PlayButton = PlayNow;
}
//ExitGame Hover or Normal
if(MousePosX > 200 && MousePosX < 325 && MousePosY > 150 && MousePosY < 176)
{
ExitGameButton = ExitGameHover;
}
else
{
ExitGameButton = ExitGame;
}
// Now the buttons have a function
if(MousePosX > 200 && MousePosX < 325 && MousePosY > 100 && MousePosY < 126)
{
if(Mouse.isButtonDown(0))
{
sbg.enterState(1);
}
}
if(MousePosX > 200 && MousePosX < 325 && MousePosY > 150 && MousePosY < 176)
{
if(Mouse.isButtonDown(0))
{
System.exit(0);
}
}
}
public int getID()
{
return 0;
}
}
包javagame；
导入org.lwjgl.input.Mouse；
导入org.newdawn.slick.*；
导入org.newdawn.slick.state.*；
导入org.newdawn.slick.MouseListener；
公共类菜单扩展了BasicGameState
{
图像PlayNow、PlayNowHover、ExitName、ExitGameHover、PlayButton、ExitGameButton；
int MousePosX；
鼠标定位；
公共菜单（int状态）{}
public void init（GameContainer gc，StateBasedGame sbg）引发异常
{
//Billederne er 125x26
PlayNow=新图像（“res/PlayNow.png”）；
PlayNowHover=新图像（“res/PlayNowHover.png”）；
ExitGame=新图像（“res/ExitGame.png”）；
ExitGameHover=新图像（“res/ExitGameHover.png”）；
PlayButton=PlayNow；
ExitGame按钮=ExitGame；
}
公共void呈现（GameContainer gc、StateBasedGame sbg、Graphics g）引发异常
{
//框架er 600x400
g、 拉丝（MousePosX+”，“+MousePosY，500,10）；
g、 抽绳（0,26,600,26）；
g、 drawImage（播放按钮，200100）；
g、 drawImage（ExitGameButton，200150）；
g、 抽绳（“用箭头键移动。”，200，200）；
g、 抽绳（“有一条规则：”，200，215）；
g、 抽绳（“不要吃红色的球！”，200230）；
g、 抽绳（“但你可以欣赏蓝色的：-P”，200245）；
}
公共无效更新（GameContainer gc、StateBasedGame sbg、int delta）引发异常
{
Input=gc.getInput（）；
MousePosX=input.getMouseX（）；
MousePosY=input.getMouseY（）；
//现在播放悬停或正常
if（MousePosX>200&&MousePosX<325&&MousePosY>100&&MousePosY<126）
{
PlayButton=PlayNowHover；
}
其他的
{
PlayButton=PlayNow；
}
//退出暂停或正常
if（MousePosX>200&&MousePosX<325&&MousePosY>150&&MousePosY<176）
{
ExitGameButton=ExitGameHover；
}
其他的
{
ExitGame按钮=ExitGame；
}
//现在按钮有了功能
if（MousePosX>200&&MousePosX<325&&MousePosY>100&&MousePosY<126）
{
if（鼠标.isButtonDown（0））
{
sbg.企业（1）；
}
}
if（MousePosX>200&&MousePosX<325&&MousePosY>150&&MousePosY<176）
{
if（鼠标.isButtonDown（0））
{
系统出口（0）；
}
}
}
公共int getID（）
{
返回0；
}
}
package javagame;
import org.newdawn.slick.*;
import org.newdawn.slick.state.*;
import java.util.Random;
public class Play extends BasicGameState
{
Image ball, blueball;
Image[] redball;
Animation roll;
int[] duration = {200, 200};
float defBallPosX = 300; // DEFAULT
float defBallPosY = 200; // DEFAULT
float ballPosX = 300;
float ballPosY = 200;
int MousePosX;
int MousePosY;
Random random;
float[] randomRedX; // X for the RedBall.png
float[] randomRedY; // Y for the RedBall.png
float randomBlueX; // X for the BlueBall.png
float randomBlueY; // Y for the BlueBall.png
static int amountOfEatenBalls;
boolean blueAndRedAreNotToClose;
public Play(int state)
{
}
public void init(GameContainer gc, StateBasedGame sbg) throws SlickException
{
ball = new Image("res/PurpBallNorm.png"); // 25x25 px
Image[] images = {ball, ball};
redball = new Image[50];
blueball = new Image("res/BlueBall.png");
roll = new Animation(images, duration, false);
random = new Random();
randomRedX = new float[50];
randomRedY = new float[50];
amountOfEatenBalls = 0;
}
public void render(GameContainer gc, StateBasedGame sbg, Graphics g) throws SlickException
{
// The Window is 600x400
g.drawString(MousePosX + ", " + MousePosY, 500, 10);
g.drawLine(0, 26, Game.windowX, 26); // Ceiling
g.drawLine(1, 26, 1, Game.windowY); // Left Wall
g.drawLine(Game.windowX - 2, 26, Game.windowX - 2, Game.windowY - 2); // Right Wall
g.drawLine(1, Game.windowY - 2, Game.windowX - 2, Game.windowY - 2); // Floor
roll.draw(ballPosX, ballPosY);
initRedAndBlueBall();
}
public void update(GameContainer gc, StateBasedGame sbg, int delta) throws SlickException
{
Input input = gc.getInput();
MousePosX = input.getMouseX();
MousePosY = input.getMouseY();
if(input.isKeyDown(Input.KEY_UP))
ballPosY -= delta * .1f;
else if(input.isKeyDown(Input.KEY_DOWN))
ballPosY += delta * .1f;
else if(input.isKeyDown(Input.KEY_LEFT))
ballPosX -= delta * .1f;
else if(input.isKeyDown(Input.KEY_RIGHT))
ballPosX += delta * .1f;
blueBallTouch();
for(int i = 0; i <= amountOfEatenBalls; i++)
{
if(isInTheRangeOf(ballPosX, randomRedX[i], 25) == true && isInTheRangeOf(ballPosY, randomRedY[i], 25) == true)
{
System.out.println("Player has eaten a red ball!");
sbg.enterState(2);
}
}
// Makes sure the ball can't run out of the window
if(ballPosX <= 2)
{
ballPosX += delta * .1f;
}
else if(ballPosX >= Game.windowX - 27)
{
ballPosX -= delta * .1f;
}
else if(ballPosY <= 26)
{
ballPosY += delta * .1f;
}
else if(ballPosY >= Game.windowY - 27)
{
ballPosY -= delta * .1f;
}
}
public int getID()
{
return 1;
}
public boolean isInTheRangeOf(float x, float y, float range)
{
float a = 0;
float b = 0;
if(x > y)
{
a = x;
b = y;
}
else if(y > x)
{
b = x;
a = y;
}
if((a - b) <= range)
{
return true;
}
else if((a - b) >= range)
{
return false;
}
return true;
}
public void initRedAndBlueBall() throws SlickException
{
// Makes sure the red and the blue ball aren't too close
for(int i = 0; i <= amountOfEatenBalls; i++)
{
// Get random cordinates for the red and blue ball.
randomRedX[i] = random.nextInt(550) + 24;
randomRedY[i] = random.nextInt(350) + 24;
randomBlueX = random.nextInt(550) + 24;
randomBlueY = random.nextInt(350) + 24;
// Initialize the new Redball with a picture.
redball[i] = new Image("res/RedBall.png");
// Draws the red ball on the screen.
drawRedBall(randomRedX[i], randomRedY[i], redball[i]);
if(isInTheRangeOf(randomRedX[i], randomBlueX, 30) == false)
{
System.out.println("The red and the blue ball have good positions");
break;
}
else if(isInTheRangeOf(randomRedX[i], randomBlueX, 30) == true)
{
System.out.println("The red and the blue ball are to close!");
System.out.println("Repositioning the red and blue ball");
}
}
}
public void drawRedBall(float x, float y, Image image)
{
Graphics g = new Graphics();
g.drawImage(image, x, y);
}
public void blueBallTouch() throws SlickException
{
if(isInTheRangeOf(ballPosX, randomBlueX, 25) == true && isInTheRangeOf(ballPosY, randomBlueY, 25) == true)
{
amountOfEatenBalls++;
initRedAndBlueBall();
}
else
{
}
}
public static int getAmountOfEatenBalls()
{
return amountOfEatenBalls;
}
}
包javagame；
导入org.newdawn.slick.*；
导入org.newdawn.slick.state.*；
导入java.util.Random；
公共类播放扩展了BasicGameState
{
形象球、蓝球；
图像[]红球；
动画卷；
int[]持续时间={200200}；
float defBallPosX=300；//默认值
float defBallPosY=200；//默认值
浮球X=300；
浮球=200；
int MousePosX；
鼠标定位；
随机；
float[]randomRedX；//X表示RedBall.png
float[]randomRedY；//Y表示RedBall.png
float randomBlueX；//X表示BlueBall.png
float random bluey；//Y表示BlueBall.png
静态整数和羽毛球；
布尔蓝，不敢掉头；
公共游戏（国际国家）
{
}
public void init（GameContainer gc，StateBasedGame sbg）引发异常
{
ball=新图像（“res/PurpBallNorm.png”）；//25x25像素
Image[]Image={ball，ball}；
红球=新图像[50]；
blueball=新图像（“res/blueball.png”）；
滚动=新动画（图像、持续时间、假）；
随机=新随机（）；
randomRedX=新浮点[50]；
randomRedY=新浮点[50]；
amountOfEatenBalls=0；
}
公共void呈现（GameContainer gc、StateBasedGame sbg、Graphics g）引发异常
{
//窗户是600x400
g、 拉丝（MousePosX+”，“+MousePosY，500,10）；
g、 抽绳（0,26，Game.windowX，26）；//天花板
g、 抽绳（1，26，1，Game.windowY）；//左墙
g、 抽绳（Game.windowX-2,26，Game.windowX-2，Game.windowY-2）；//右墙
g、 抽绳（1，Game.windowY-2，Game.windowX-2，Game.windowY-2）；//地板
滚画（ballPosX，ballPosY）；
initRedAndBlueBall（）；
}
公共无效更新（GameContainer gc、StateBasedGame sbg、int delta）引发异常
{
Input=gc.getInput（）；
MousePosX=input.getMouseX（）；
MousePosY=input.getMouseY（）；
if（input.isKeyDown（input.KEY_UP））
球形-=δ*.1f；
else if（input.isKeyDown（input.KEY_DOWN））
球型+=δ*.1f；
else if（input.isKeyDown（input.KEY_左））
ballPosX-=delta*.1f；
else if（input.isKeyDown（input.KEY_RIGHT））
ballPosX+=δ*.1f；
蓝球触摸（）；
对于（int i=0；i 100&&MousePosY<126）
{
ExitGameButton=ExitGameHover；
}
其他的
{
ExitGame按钮=ExitGame；
}
if（MousePosX>200&&MousePosX<325&&MousePosY>100&&MousePosY<126）
{
if（鼠标.isButtonDown（0））
{
系统出口（0）；
package javagame;
import org.newdawn.slick.*;
import org.newdawn.slick.state.*;
import java.util.Random;
public class Play extends BasicGameState
{
Image ball, blueball;
Image[] redball;
Animation roll;
int[] duration = {200, 200};
float defBallPosX = 300; // DEFAULT
float defBallPosY = 200; // DEFAULT
float ballPosX = 300;
float ballPosY = 200;
int MousePosX;
int MousePosY;
Random random;
float[] randomRedX; // X for the RedBall.png
float[] randomRedY; // Y for the RedBall.png
float randomBlueX; // X for the BlueBall.png
float randomBlueY; // Y for the BlueBall.png
static int amountOfEatenBalls;
boolean blueAndRedAreNotToClose;
public Play(int state)
{
}
public void init(GameContainer gc, StateBasedGame sbg) throws SlickException
{
ball = new Image("res/PurpBallNorm.png"); // 25x25 px
Image[] images = {ball, ball};
redball = new Image[50];
blueball = new Image("res/BlueBall.png");
roll = new Animation(images, duration, false);
random = new Random();
randomRedX = new float[50];
randomRedY = new float[50];
amountOfEatenBalls = 0;
}
public void render(GameContainer gc, StateBasedGame sbg, Graphics g) throws SlickException
{
// The Window is 600x400
g.drawString(MousePosX + ", " + MousePosY, 500, 10);
g.drawLine(0, 26, Game.windowX, 26); // Ceiling
g.drawLine(1, 26, 1, Game.windowY); // Left Wall
g.drawLine(Game.windowX - 2, 26, Game.windowX - 2, Game.windowY - 2); // Right Wall
g.drawLine(1, Game.windowY - 2, Game.windowX - 2, Game.windowY - 2); // Floor
roll.draw(ballPosX, ballPosY);
initRedAndBlueBall();
}
public void update(GameContainer gc, StateBasedGame sbg, int delta) throws SlickException
{
Input input = gc.getInput();
MousePosX = input.getMouseX();
MousePosY = input.getMouseY();
if(input.isKeyDown(Input.KEY_UP))
ballPosY -= delta * .1f;
else if(input.isKeyDown(Input.KEY_DOWN))
ballPosY += delta * .1f;
else if(input.isKeyDown(Input.KEY_LEFT))
ballPosX -= delta * .1f;
else if(input.isKeyDown(Input.KEY_RIGHT))
ballPosX += delta * .1f;
blueBallTouch();
for(int i = 0; i <= amountOfEatenBalls; i++)
{
if(isInTheRangeOf(ballPosX, randomRedX[i], 25) == true && isInTheRangeOf(ballPosY, randomRedY[i], 25) == true)
{
System.out.println("Player has eaten a red ball!");
sbg.enterState(2);
}
}
// Makes sure the ball can't run out of the window
if(ballPosX <= 2)
{
ballPosX += delta * .1f;
}
else if(ballPosX >= Game.windowX - 27)
{
ballPosX -= delta * .1f;
}
else if(ballPosY <= 26)
{
ballPosY += delta * .1f;
}
else if(ballPosY >= Game.windowY - 27)
{
ballPosY -= delta * .1f;
}
}
public int getID()
{
return 1;
}
public boolean isInTheRangeOf(float x, float y, float range)
{
float a = 0;
float b = 0;
if(x > y)
{
a = x;
b = y;
}
else if(y > x)
{
b = x;
a = y;
}
if((a - b) <= range)
{
return true;
}
else if((a - b) >= range)
{
return false;
}
return true;
}
public void initRedAndBlueBall() throws SlickException
{
// Makes sure the red and the blue ball aren't too close
for(int i = 0; i <= amountOfEatenBalls; i++)
{
// Get random cordinates for the red and blue ball.
randomRedX[i] = random.nextInt(550) + 24;
randomRedY[i] = random.nextInt(350) + 24;
randomBlueX = random.nextInt(550) + 24;
randomBlueY = random.nextInt(350) + 24;
// Initialize the new Redball with a picture.
redball[i] = new Image("res/RedBall.png");
// Draws the red ball on the screen.
drawRedBall(randomRedX[i], randomRedY[i], redball[i]);
if(isInTheRangeOf(randomRedX[i], randomBlueX, 30) == false)
{
System.out.println("The red and the blue ball have good positions");
break;
}
else if(isInTheRangeOf(randomRedX[i], randomBlueX, 30) == true)
{
System.out.println("The red and the blue ball are to close!");
System.out.println("Repositioning the red and blue ball");
}
}
}
public void drawRedBall(float x, float y, Image image)
{
Graphics g = new Graphics();
g.drawImage(image, x, y);
}
public void blueBallTouch() throws SlickException
{
if(isInTheRangeOf(ballPosX, randomBlueX, 25) == true && isInTheRangeOf(ballPosY, randomBlueY, 25) == true)
{
amountOfEatenBalls++;
initRedAndBlueBall();
}
else
{
}
}
public static int getAmountOfEatenBalls()
{
return amountOfEatenBalls;
}
}
package javagame;
import org.lwjgl.input.Mouse;
import org.newdawn.slick.*;
import org.newdawn.slick.state.*;
public class GameOver extends BasicGameState
{
Image ExitGame, ExitGameHover, ExitGameButton;
int MousePosX;
int MousePosY;
public GameOver(int state)
{
}
public void init(GameContainer gc, StateBasedGame sbg) throws SlickException
{
ExitGame = new Image("res/ExitGame.png");
ExitGameHover = new Image("res/ExitGameHover.png");
ExitGameButton = ExitGame;
}
public void render(GameContainer gc, StateBasedGame sbg, Graphics g) throws SlickException
{
g.drawImage(ExitGameButton, 200, 100);
g.drawString("You've eaten: " + Play.getAmountOfEatenBalls() + " balls!", 200, 190);
}
public void update(GameContainer gc, StateBasedGame sbg, int delta) throws SlickException
{
Input input = gc.getInput();
MousePosX = input.getMouseX();
MousePosY = input.getMouseY();
if(MousePosX > 200 && MousePosX < 325 && MousePosY > 100 && MousePosY < 126)
{
ExitGameButton = ExitGameHover;
}
else
{
ExitGameButton = ExitGame;
}
if(MousePosX > 200 && MousePosX < 325 && MousePosY > 100 && MousePosY < 126)
{
if(Mouse.isButtonDown(0))
{
System.exit(0);
}
}
}
public int getID()
{
return 2;
}
}