예제 #1
0
 static void initializeGlfw() {
   if (errorCallback == null) {
     Lwjgl3NativesLoader.load();
     errorCallback = GLFWErrorCallback.createPrint(System.err);
     GLFW.glfwSetErrorCallback(errorCallback);
     if (GLFW.glfwInit() != GLFW.GLFW_TRUE) {
       throw new GdxRuntimeException("Unable to initialize GLFW");
     }
   }
 }
예제 #2
0
  private void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    glfwSetErrorCallback(errorCallback = GLFWErrorCallback.createPrint(System.err));

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

    // Configure our window
    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // the window will be resizable

    int WIDTH = 300;
    int HEIGHT = 300;

    // Create the window
    window = glfwCreateWindow(WIDTH, HEIGHT, "Hello World!", NULL, NULL);
    if (window == NULL) throw new RuntimeException("Failed to create the GLFW window");

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(
        window,
        keyCallback =
            new GLFWKeyCallback() {
              @Override
              public void invoke(long window, int key, int scancode, int action, int mods) {
                if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE)
                  glfwSetWindowShouldClose(
                      window, GLFW_TRUE); // We will detect this in our rendering loop
              }
            });

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

    // Make the OpenGL context current
    glfwMakeContextCurrent(window);
    // Enable v-sync
    glfwSwapInterval(1);

    // Make the window visible
    glfwShowWindow(window);
  }
예제 #3
0
  public void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    glfwSetErrorCallback(errorCallback = GLFWErrorCallback.createPrint(System.err));

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (glfwInit() != GL11.GL_TRUE) {
      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

    // 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
    glfwSetWindowSizeCallback(
        windowHandle,
        windowSizeCallback =
            new GLFWWindowSizeCallback() {
              @Override
              public void invoke(long window, int width, int height) {
                Window.this.width = width;
                Window.this.height = height;
                Window.this.setResized(true);
              }
            });
    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(
        windowHandle,
        keyCallback =
            new GLFWKeyCallback() {
              @Override
              public void invoke(long window, int key, int scancode, int action, int mods) {
                if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
                  glfwSetWindowShouldClose(window, GL_TRUE);
                }
              }
            });

    // 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);
    // 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);
  }