org.lwjgl.glfw.GLFWErrorCallback Java Examples

public void async_init() {
	if(debug) {
		ec = GLFWErrorCallback.createPrint(System.err);
		GLFW.glfwSetErrorCallback(ec);
	}

	if(!GLFW.glfwInit()) throw new Error("glfwInit() failed!");

	GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_DEBUG_CONTEXT, debug ? GLFW.GLFW_TRUE : GLFW.GLFW_DONT_CARE);
	GLFW.glfwWindowHint(GLFW.GLFW_STENCIL_BITS, 1);
	glfw_wnd = GLFW.glfwCreateWindow(width + 1, width + 1, "lwjgl-offscreen", 0, 0);
	GLFW.glfwMakeContextCurrent(glfw_wnd);
	GLFW.glfwSwapInterval(0);

	event_converter.registerCallbacks();
}
 

@Override
public void init() {
	// Set the error handling code: all GLFW errors will be printed to the system error stream (just like println)
	GLFWErrorCallback.createPrint(System.err).set();
       glfwSetErrorCallback(errorCallback);

       // Initialize GLFW:
       if (!glfwInit())
           throw new IllegalStateException("GLFW initialization failed");

       // Configure the GLFW window
       windowID = glfwCreateWindow(
               640, 480,   // Width and height of the drawing canvas in pixels
               "Test",     // Title of the window
               MemoryUtil.NULL, // Monitor ID to use for fullscreen mode, or NULL to use windowed mode (LWJGL JavaDoc)
               MemoryUtil.NULL); // Window to share resources with, or NULL to not share resources (LWJGL JavaDoc)

       if (windowID == MemoryUtil.NULL)
           throw new IllegalStateException("GLFW window creation failed");

       glfwMakeContextCurrent(windowID); // Links the OpenGL context of the window to the current thread (GLFW_NO_CURRENT_CONTEXT error)
       glfwSwapInterval(1); // Enable VSync, which effective caps the frame-rate of the application to 60 frames-per-second
       glfwShowWindow(windowID);
	// If you don't add this line, you'll get the following exception:
       //  java.lang.IllegalStateException: There is no OpenGL context current in the current thread.
    	glfwMakeContextCurrent(windowID);
    // This line is critical for LWJGL's interoperation with GLFW's
       // OpenGL context, or any context that is managed externally.
       // LWJGL detects the context that is current in the current thread,
       // creates the GLCapabilities instance and makes the OpenGL
       // bindings available for use.
    	GL.createCapabilities();
    	
    // Set the clear color
    	glClearColor(0.5f, 0.5f, 0.5f, 1f);
    	setUpMatrices();
       
}
 

static void initializeGlfw() {
	if (errorCallback == null) {
		Lwjgl3NativesLoader.load();
		errorCallback = GLFWErrorCallback.createPrint(System.err);
		GLFW.glfwSetErrorCallback(errorCallback);
		GLFW.glfwInitHint(GLFW.GLFW_JOYSTICK_HAT_BUTTONS, GLFW.GLFW_FALSE);
		if (!GLFW.glfwInit()) {
			throw new GdxRuntimeException("Unable to initialize GLFW");
		}
	}
}
 

@Override
public void setErrorCallback(PrintStream printStream)
{
    try (GLFWErrorCallback callback = GLFWErrorCallback.createPrint(printStream))
    {
        callback.set();
    }
}
 

private void init()
{
	glfwSetErrorCallback(errorCallback = GLFWErrorCallback.createPrint(System.err));
	
	renderEngine = BaseContext.getRenderEngine();
	window = BaseContext.getWindow();
	input = BaseContext.getInput();
	
	input.create(window.getId());
	window.show();
}
 

@Override
public void setErrorCallback(PrintStream printStream)
{
    try (GLFWErrorCallback callback = GLFWErrorCallback.createPrint(printStream))
    {
        callback.set();
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    if (opts.compatibleProfile) {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
    } else {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    }

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_STENCIL_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }

    // Antialiasing
    if (opts.antialiasing) {
        glfwWindowHint(GLFW_SAMPLES, 4);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    // Get the resolution of the primary monitor
    GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    // Center our window
    glfwSetWindowPos(
            windowHandle,
            (vidmode.width() - width) / 2,
            (vidmode.height() - height) / 2
    );

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    if (opts.compatibleProfile) {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
    } else {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    }

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_STENCIL_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }

    // Antialiasing
    if (opts.antialiasing) {
        glfwWindowHint(GLFW_SAMPLES, 4);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    // Get the resolution of the primary monitor
    GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    // Center our window
    glfwSetWindowPos(
            windowHandle,
            (vidmode.width() - width) / 2,
            (vidmode.height() - height) / 2
    );

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);
    
    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    if (opts.compatibleProfile) {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
    } else {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    }

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    if (opts.compatibleProfile) {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
    } else {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    }

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    // Get the resolution of the primary monitor
    GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    // Center our window
    glfwSetWindowPos(
            windowHandle,
            (vidmode.width() - width) / 2,
            (vidmode.height() - height) / 2
    );

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    if (opts.compatibleProfile) {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
    } else {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    }

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_STENCIL_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }

    // Antialiasing
    if (opts.antialiasing) {
        glfwWindowHint(GLFW_SAMPLES, 4);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    // Get the resolution of the primary monitor
    GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    // Center our window
    glfwSetWindowPos(
            windowHandle,
            (vidmode.width() - width) / 2,
            (vidmode.height() - height) / 2
    );

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    // Get the resolution of the primary monitor
    GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    // Center our window
    glfwSetWindowPos(
            windowHandle,
            (vidmode.width() - width) / 2,
            (vidmode.height() - height) / 2
    );

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);
    
    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    // Get the resolution of the primary monitor
    GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    // Center our window
    glfwSetWindowPos(
            windowHandle,
            (vidmode.width() - width) / 2,
            (vidmode.height() - height) / 2
    );

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    // Get the resolution of the primary monitor
    GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    // Center our window
    glfwSetWindowPos(
            windowHandle,
            (vidmode.width() - width) / 2,
            (vidmode.height() - height) / 2
    );

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    if (opts.compatibleProfile) {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
    } else {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    }

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_STENCIL_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }

    // Antialiasing
    if (opts.antialiasing) {
        glfwWindowHint(GLFW_SAMPLES, 4);
    }
}
 

public OpenGLWindow(int windowWidth, int windowHeight, float vertFoVDegs, float zNear, float zFar, float orthoExtent)
{
	// Set properties and create the projection matrix
	mWindowWidth  = windowWidth <= 0 ? 1 : windowWidth;
	mWindowHeight = windowHeight <= 0 ? 1 : windowHeight;
	mAspectRatio  = (float)mWindowWidth / (float)mWindowHeight; 
	
	mVertFoVDegs = vertFoVDegs;
	mZNear       = zNear;
	mZFar        = zFar;
	mOrthoExtent = orthoExtent; 
	
	if (Application.use3dDemo)
	{
		mOrthographicProjection = false;
		mProjectionMatrix = Mat4f.createPerspectiveProjectionMatrix(mVertFoVDegs, mAspectRatio, mZNear, mZFar);
	}
	else
	{
		mOrthographicProjection = true;
		mProjectionMatrix = Mat4f.createOrthographicProjectionMatrix(-mOrthoExtent, mOrthoExtent, mOrthoExtent, -mOrthoExtent, mZNear, mZFar);
	}
	
	// Setup the error callback to output to System.err
	glfwSetErrorCallback(errorCallback = GLFWErrorCallback.createPrint(System.err));
 
    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if ( !glfwInit() ) { throw new IllegalStateException("Unable to initialize GLFW"); }
 
    // ----- Specify window hints -----
    // Note: Window hints must be specified after glfwInit() (which resets them) and before glfwCreateWindow where the context is created.
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);                 // Request OpenGL version 3.3 (the minimum we can get away with)
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // We want a core profile without any deprecated functionality...
    //glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);         // ...however we do NOT want a forward compatible profile as they've removed line widths!
    glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);                       // We want the window to be resizable
    glfwWindowHint(GLFW_VISIBLE, GLFW_TRUE);                         // We want the window to be visible (false makes it hidden after creation)
    glfwWindowHint(GLFW_FOCUSED, GLFW_TRUE);                         // We want the window to take focus on creation
    glfwWindowHint(GLFW_SAMPLES, 4);                               // Ask for 4x anti-aliasing (this doesn't mean we'll get it, though) 
            
    // Create the window
    mWindowId = glfwCreateWindow(mWindowWidth, mWindowHeight, "LWJGL3 Test", NULL, NULL);        
    if (mWindowId == NULL) { throw new RuntimeException("Failed to create the GLFW window"); }
    
    // Get the resolution of the primary monitor
    GLFWVidMode vidmode = glfwGetVideoMode( glfwGetPrimaryMonitor() );
    int windowHorizOffset = (vidmode.width()  - mWindowWidth)  / 2;
    int windowVertOffset  = (vidmode.height() - mWindowHeight) / 2;
            
    glfwSetWindowPos(mWindowId, windowHorizOffset, windowVertOffset); // Center our window
    glfwMakeContextCurrent(mWindowId);                                // Make the OpenGL context current
    glfwSwapInterval(1);                                              // Swap buffers every frame (i.e. enable vSync)
    
    // This line is critical for LWJGL's interoperation with GLFW's OpenGL context, or any context that is managed externally.
    // LWJGL detects the context that is current in the current thread, creates the ContextCapabilities instance and makes
    // the OpenGL bindings available for use.
    glfwMakeContextCurrent(mWindowId);
    
    // Enumerate the capabilities of the current OpenGL context, loading forward compatible capabilities
    GL.createCapabilities(true);
    
    // Setup our keyboard, mouse and window resize callback functions
    setupCallbacks();
    
    // ---------- OpenGL settings -----------

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    
    // Specify the size of the viewport. Params: xOrigin, yOrigin, width, height
 	glViewport(0, 0, mWindowWidth, mWindowHeight);

 	// Enable depth testing
 	glDepthFunc(GL_LEQUAL);
 	glEnable(GL_DEPTH_TEST);

 	// When we clear the depth buffer, we'll clear the entire buffer
 	glClearDepth(1.0f);

 	// Enable blending to use alpha channels
 	// Note: blending must be enabled to use transparency / alpha values in our fragment shaders.
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glEnable(GL_BLEND);
 	
 	glfwShowWindow(mWindowId); // Make the window visible
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    glEnable(GL_CULL_FACE);
    glCullFace(GL_BACK);
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
    
    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    glEnable(GL_CULL_FACE);
    glCullFace(GL_BACK);
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    if (opts.compatibleProfile) {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
    } else {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    }

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_STENCIL_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }

    // Antialiasing
    if (opts.antialiasing) {
        glfwWindowHint(GLFW_SAMPLES, 4);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    if (opts.compatibleProfile) {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
    } else {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    }

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    // Setup resize callback
    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_STENCIL_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }

    // Antialiasing
    if (opts.antialiasing) {
        glfwWindowHint(GLFW_SAMPLES, 4);
    }
}
 

public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    GLFWErrorCallback.createPrint(System.err).set();

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (!glfwInit()) {
        throw new IllegalStateException("Unable to initialize GLFW");
    }

    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    if (opts.compatibleProfile) {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
    } else {
        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    }

    boolean maximized = false;
    // If no size has been specified set it to maximized state
    if (width == 0 || height == 0) {
        // Set up a fixed width and height so window initialization does not fail
        width = 100;
        height = 100;
        glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
        maximized = true;
    }

    // Create the window
    windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
    if (windowHandle == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }

    glfwSetFramebufferSizeCallback(windowHandle, (window, width, height) -> {
        this.width = width;
        this.height = height;
        this.setResized(true);
    });

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
            glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
        }
    });

    if (maximized) {
        glfwMaximizeWindow(windowHandle);
    } else {
        // Get the resolution of the primary monitor
        GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
        // Center our window
        glfwSetWindowPos(
                windowHandle,
                (vidmode.width() - width) / 2,
                (vidmode.height() - height) / 2
        );
    }

    // Make the OpenGL context current
    glfwMakeContextCurrent(windowHandle);

    if (isvSync()) {
        // Enable v-sync
        glfwSwapInterval(1);
    }

    // Make the window visible
    glfwShowWindow(windowHandle);

    GL.createCapabilities();

    // Set the clear color
    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_STENCIL_TEST);
    if (opts.showTriangles) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    }

    // Support for transparencies
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    if (opts.cullFace) {
        glEnable(GL_CULL_FACE);
        glCullFace(GL_BACK);
    }

    // Antialiasing
    if (opts.antialiasing) {
        glfwWindowHint(GLFW_SAMPLES, 4);
    }
}