lwjgl window 打不开

Question

所以我尝试了 lwjgl，但我遇到了问题，当我尝试创建一个 window 我得到一个错误，我不知道为什么。

我曾尝试将 java 版本从 java 16 降低到 14，但这没有用。

主要Class:

package ca.immanuel.flappy;


import org.lwjgl.glfw.GLFWVidMode;

import static org.lwjgl.glfw.GLFW.*;
import static org.lwjgl.opengl.GL11.GL_TRUE;
import static org.lwjgl.system.MemoryUtil.NULL;


public class Main implements Runnable {

    private int width = 1280;
    private int height = 720;

    private Thread thread;
    private boolean running = false;

    /*
        LWJGL cant use the GLFWwindow struct because structs don't exist in java
        so we instead use an ID system in Java that's why we use a long.
    */
    private long window;

    public void start() {
        running = true;
        thread = new Thread(this, "Game");
        thread.start();
    }

    private void init() {
        if (!glfwInit()){
            System.out.println("GLFW failed to init!");
            System.exit(-1);
        }

        glfwWindowHint(GLFW_RESIZABLE, GL_TRUE);
        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwCreateWindow(width, height, "Flappy Bird", NULL, NULL);
        if (window == NULL) {
            System.out.println("Could not create window");
            System.exit(-1);
        }

        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        glfwSetWindowPos(window, (vidmode.width() - width) /2, (vidmode.height() - height) /2);
        glfwMakeContextCurrent(window);
        glfwShowWindow(window);
    }

    public void run() {
        init();
        while(running) {
            update();
            render();

            if (glfwWindowShouldClose(window) == true){
                running = false;
            }
        }
    }

    private void update() {
        glfwPollEvents();
    }

    private void render() {
        glfwSwapBuffers(window);
    }

    public static void main(String[] args) {
        new Main().start();
    }
}

当我运行我的主要 class 我得到这个错误（在 java jdk 16）：

Task :Main.main() FAILED Could not create window

任务“:Main.main()”执行失败。

Process 'command 'C:/Program Files/Java/jdk-16/bin/java.exe'' finished with non-zero exit value -1

尝试：运行使用 --stacktrace 选项获取堆栈跟踪。运行使用 --info 或 --debug 选项以获得更多日志输出。运行使用 --scan 以获得完整的见解。

我尝试运行将其与信息结合起来，这是我的输出：

Task :Main.main() FAILED Caching disabled for task ':Main.main()' because: Build cache is disabled Task ':Main.main()' is not up-to-date because: Task has not declared any outputs despite executing actions. Starting process 'command 'C:/Program Files/Java/jdk-16/bin/java.exe''. Working directory: C:\Users\imman\Documents\FlappyBird Command: C:/Program Files/Java/jdk-16/bin/java.exe -Dfile.encoding=windows-1252 -Duser.country=CA -Duser.language=en -Duser.variant -cp C:\Users\imman\Documents\FlappyBird\build\classes\java\main;C:\Users\imman\Documents\FlappyBird\build\classes\groovy\main;C:\Users\imman\Documents\FlappyBird\build\resources\main;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-bgfx.2.33883c4040fa8df47244dffa1d42c96ce2143de\lwjgl-bgfx-3.2.3.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-bgfx.2.3\f589da97dd3cfa96f42c8c812a0a028cf28223b8\lwjgl-bgfx-3.2.3-natives-windows.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-glfw.2.3e520d5c290c8b012545a8d34fa5db5ab051ea53\lwjgl-glfw-3.2.3.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-glfw.2.3\b4d8a3477cdc2edcf7a5f1e822926be846223f54\lwjgl-glfw-3.2.3-natives-windows.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-nanovg.2.38be4a13691d1cd276fa852326e9e837d65204e\lwjgl-nanovg-3.2.3.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-nanovg.2.3fbe5c2849bcf182ba3c6c09828f032a64cd47ec\lwjgl-nanovg-3.2.3-natives-windows.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-nuklear.2.3bfab23e975201bf3cb81287be6034adec64a86\lwjgl-nuklear-3.2.3.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-nuklear.2.3\ccb63f09670e43e58969b567ef42e02275be555a\lwjgl-nuklear-3.2.3-natives-windows.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-openal.2.36742e805803ab9eab8e343f0fb31a3d263903c\lwjgl-openal-3.2.3.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-openal.2.3\ec898e8ce11b5886f4f532a1536283ef2817758d\lwjgl-openal-3.2.3-natives-windows.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-opengl.2.3\bdd534a323d0c8f54969b95e424b6ac8984f7d6e\lwjgl-opengl-3.2.3.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-opengl.2.3\e81cfc73ec8708e5e791ed770e4ec3edfc1bbab1\lwjgl-opengl-3.2.3-natives-windows.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-par.2.3d96fe3a3345f4c18ca0e682de41b20ec64b70c\lwjgl-par-3.2.3.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-par.2.3\b60677b2948f930736aa2bff952fe8380bfe9fbe\lwjgl-par-3.2.3-natives-windows.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-stb.2.3eccaa4fa86fc815f2e17946a392fb5fdcc286a\lwjgl-stb-3.2.3.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-stb.2.37b21ec286f0ba3dcedb56a3bd275e6a9345be9\lwjgl-stb-3.2.3-natives-windows.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl.2.3a59ba0fe8d474ec9dbe0d5db40d2cfe59c4c08\lwjgl-3.2.3.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl.2.3f32cd35349684745951e04388e8e00d681cdcd\lwjgl-3.2.3-natives-windows.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-ant.0.5\c41c989d5138e9ac48efb1d77e7f271699d10f17\groovy-ant-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-astbuilder.0.5\ab712931e02cb8876d9e39567283a43583ddef20\groovy-astbuilder-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-cli-picocli.0.5\fe73f204778dcb438bb810ec78fd3fc1fe8e5709\groovy-cli-picocli-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-groovysh.0.5b27062568c6b2efb9dd1a2803c0d22bed182ea\groovy-groovysh-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-console.0.5\d0e7aec0100a12600e3e1bb33d9140eff52753fc\groovy-console-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-datetime.0.5\c47535a64ceab4d93227169cb97acab15dfa575a\groovy-datetime-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-groovydoc.0.5\ce4ce5eedd7d18c14433989d777504150f761472\groovy-groovydoc-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-docgenerator.0.5f7ba0ef7a1b9fd0f5fd5550ee31bdb09d565505\groovy-docgenerator-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-jmx.0.5bae59fafaea99a031be9ea4d1af76e4347d62ea\groovy-jmx-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-json.0.5c71dad1aaa890d0012fc72640c1b54263a0de1b\groovy-json-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-jsr223.0.5\cd226c46e662e916d669b6be9467d3b8c591e5d\groovy-jsr223-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-macro.0.56cd0b1654415b6fe24c23dfa0c4de5be9d6ed0\groovy-macro-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-nio.0.55826095f801716e67b1607bb5ad94deb8e4cc9\groovy-nio-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-servlet.0.5\ad3615cd34cd71e8287934140d5e1e4509cbca82\groovy-servlet-3.0.5.jar;C:\Users\imman.gradle\caches\modules-2\files-2.1\org.codehaus.groovy\groovy-sql.0.5\c1b21c52f4289083176e11cdeba8c54b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ca.immanuel.flappy.Main Successfully started process 'command 'C:/Program Files/Java/jdk-16/bin/java.exe'' Could not create window :Main.main() (Thread[Execution worker for ':',5,main]) completed. Took 0.784 secs.

任务“:Main.main()”执行失败。

Process 'command 'C:/Program Files/Java/jdk-16/bin/java.exe'' finished with non-zero exit value -1

尝试：运行使用 --stacktrace 选项获取堆栈跟踪。运行使用 --debug 选项以获得更多日志输出。运行使用 --scan 以获得完整的见解。

Answer 1

好的所以问题很简单我从来没有改变 windows 值

在 long window 被设置为空之前

但我发现我必须将它设置为等于 glfwCreateWindow:

之前：

glfwCreateWindow(width, height, "Flappy Bird", NULL, NULL);

之后：

window = glfwCreateWindow(width, height, "Flappy Bird", NULL, NULL);

lwjgl window 打不开

Lwjgl window not opening

java

opengl

lwjgl

glfw