游戏开发之输入控制类测试代码
/*
InputManager类的测试程序，其功能为使图象移动、跳动
*/
import java.awt.*;
import java.awt.event.KeyEvent;
import java.swing.ImageIcon;
import com.graphics.*;
import com.input.*;
import com.test.*;
public class InputManagerTest extends GameCore_ {
public static void main(String args[]) {
new InputManagerTest().run():
}
protected GameAction jump;
protected GameAction exit;
protected GameAction moveLeft;
protected GameAction moveRight;
protected GameAction pause;
protected InputManager inputManager;
private Player player;
private Image bgImage;
private boolean paused;
public void run() {
super.init();
Window window = screen.getFullScreenWindow();
inputManager = new InputManager(window);
createGameAction();
createSprite();
paused = false;
}
public void createGameAction() {
jump = new GameAction("jump",GameAction.DETECT_INITIAL_PRESS_ONLY);
exit = new GameAction("exit",GameAction.DETECT_INITAL_PRESS_ONLY);
moveLeft = new GameAction("moveLeft");
moveRight = new GameAction("moveRight");
pause = new GameAction("pause",GameAction.DETECT_INITAL_PRESS_ONLY);
inputManager.mapToKey(exit,KeyEvent.VK_ESCAPE);//映射退出程序
inputManager.mapToKey(pause,KeyEvent.VK_P);//映射暂停程序
//用空格键使动画跳动
inputManager.mapToKey(jump,VK_SPACE);
//用箭头移动动画
inputManager.mapToKey(moveLeft,KeyEvent.VK_LEFT);
inputManager.mapToKey(moveRight,KeyEvent.VK_RIGHT);
}
/*
装入图象，生成动画PLAYER幽灵
*/
public void createSprite() {
bgImage = loadImage(“../images/background.jpg“);
Image player1 = loadImage(“../iamges/player1.png“);
Image player2 = loadImage(“../iamges/player2.png“);
//生成动画
Aniamtion anim = new Animaiton();
anim.addFrame(player1,200);
anim.addFrame(player2,300);
player = new Player(anim);
player.setFloor(screen.getHeight()-player.getHeight());
}
/**
不管游戏暂停否，检查可能按下的GameAction的输入
*/
public void checkSystemInput() {
if(pause.isPressed()) {
pause.setPaused(!isPause());
}
if(exit.isPressed()) {
stop();
}
}
/*
游戏不暂停下，检查可能按下的输入
*/
public void checkGameInput() {
float velocityX = 0;
if(moveLeft.isPressed()) {
velocityX-=Player.SPEED;
}
if(moveRight.isPressed()) {
velocityX+=Player.SPEED;
}
player.setVelocityX(velocityX);
if(jump.isPress() && player.getState()!=Player.STATE_JUMPING)
{
player.jump();
}
}
/*
检查游戏是否暂停
*/
public boolean isPaused() {
return paused;
}
/*
设置游戏为暂停状态
*/
public void setPaused(boolean p ) {
if (!paused==p) {
paused = p;
inputManager.resetAllGameActions();
}
//更新动画
public void update(long elapsedTime) [
//不管游戏是否暂停检查可能发生的输入
checkSystemInput();
if(!isPaused()) {
checkGameInpu();
player.update(elapsedTime);
}
}
/*
绘制屏幕
*/
public void draw(Graphics2D g) [
//画背景
gdrawImage(bgImage,0,0,null);
//画幽灵
g.drawImage(player.getImage(),Math.round(player.getX()),Math.round(player.getY()),null);
}
}