我所知道的:由于黄色,画布显示正确。但是,图形不会完全覆盖画布,我的法律课也不会在黑色区域的尽头识别它......
那么是什么导致这种情况发生呢?我怎么能在画布的当前不可绘制部分(黄色部分)上绘制,或者我应该以另一种方式实现我的图形?
编辑: UI 类创建一个画布和一个缓冲区,然后图形类接管并开始在它们上绘图,但是由于某种原因它不能在黄色部分,处理与红色立方体和墙壁碰撞的法律类也不会应用程序,将黄色区域重新识别为有效的去处。即使通过相同的维度变量,到处都使用。
主班
package app;
public class Main {
static final int X = 1024;
static final int Y = 680;
static final int sanic = 10;
int fps = 0;
int frames = 0;
long totalTime = 0;
long curTime = System.currentTimeMillis();
long lastTime = curTime;
static int[] pos;
Graphics graphics;
Law physics;
static int status;
boolean holdState;
public Main() {
pos = new int[5];
pos[1] = X;
pos[2] = Y;
}
public void launch() {
// Audio sound = new Audio();
graphics = new Graphics();
physics = new Law();
graphics.draw();
// sound.play();
handle();
}
public void update() {
graphics.cache();
physics.check();
graphics.render();
try {
Thread.sleep(10);
} catch (Exception e) {
} finally {
graphics.dump();
}
}
public void handle() {
while (!isOver()) {
if (!isPaused()) {
update();
}
}
}
boolean isOver() {
if (status == 1) {
status = 0;
return true;
}
return false;
}
boolean isPaused() {
if (status == 2) {
status = 0;
if (!holdState) {
holdState = true;
pos[3] = pos[1];
pos[4] = pos[2];
} else if (holdState) {
holdState = false;
pos[1] = pos[3];
pos[2] = pos[4];
}
}
return holdState;
}
public static void main(String[] args) {
Main game = new Main();
game.launch();
}
}
界面类
package app;
import java.awt.*;
import java.awt.image.*;
import java.net.URL;
import javax.swing.*;
public class UI extends Main {
JFrame mainWin;
Canvas wall;
URL pic;
Toolkit kit;
Image img;
BufferStrategy Buffer;
Graphics2D shell;
Graphics2D ball;
public UI() {
mainWin = new JFrame("Game");
wall = new Canvas();
wall.addKeyListener(new Input());
}
void draw() {
frame();
icon();
canvas();
show();
prep();
}
void frame() {
mainWin.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
mainWin.setBackground(Color.BLUE);
mainWin.setIgnoreRepaint(true);
}
void icon() {
pic = ClassLoader.getSystemResource("res/app.png");
kit = Toolkit.getDefaultToolkit();
img = kit.createImage(pic);
mainWin.setIconImage(img);
}
void canvas() {
wall.setBackground(Color.YELLOW);
wall.setIgnoreRepaint(true);
wall.setBounds(0, 0, X, Y);
}
void show() {
mainWin.add(wall);
mainWin.pack();
mainWin.setResizable(false);
mainWin.setLocationRelativeTo(null);
mainWin.setVisible(true);
}
void prep() {
wall.createBufferStrategy(2);
Buffer = wall.getBufferStrategy();
}
}
图形类
package app;
import java.awt.*;
public class Graphics extends UI {
public void render() {
mask();
player();
fps();
Buffer.show();
}
void cache() {
shell = (Graphics2D) Buffer.getDrawGraphics();
ball = (Graphics2D) Buffer.getDrawGraphics();
}
void dump() {
shell.dispose();
ball.dispose();
}
void mask() {
shell.setColor(Color.black);
shell.fillRect(0, 0, X, Y);
}
void fps() {
lastTime = curTime;
curTime = System.currentTimeMillis();
totalTime += curTime - lastTime;
if (totalTime > 1000) {
totalTime -= 1000;
fps = frames;
frames = 0;
}
frames++;
shell.setColor(Color.GREEN);
shell.setFont(new Font("Courier New", Font.PLAIN, 12));
shell.drawString(String.format("FPS: %s", fps), 20, 20);
}
void player() {
ball.setColor(Color.RED);
ball.fillRect(pos[1], pos[2], 32, 32);
}
}
法律课
package app;
public class Law extends Main {
public void check() {
out();
}
void out() {
if (pos[1] < 0) {
pos[1] = 0;
}
if (pos[2] < 0) {
pos[2] = 0;
}
if (pos[1] > X - 32) {
pos[1] = X - 32;
}
if (pos[2] > Y - 32) {
pos[2] = Y - 32;
}
}
}