Golang glfw.OpenWindow函数代码示例

func main() {
	var err error

	if err = glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}
	defer glfw.Terminate()

	if err = glfw.OpenWindow(Width, Height, 8, 8, 8, 8, 0, 8, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}
	defer glfw.CloseWindow()

	glfw.SetSwapInterval(1)
	glfw.SetWindowTitle(Title)
	glfw.SetWindowSizeCallback(onResize)
	glfw.SetKeyCallback(onKey)

	gl.ShadeModel(gl.SMOOTH)
	gl.ClearColor(0, 0, 0, 0)
	gl.ClearDepth(1)
	gl.Enable(gl.TEXTURE_2D)

	for running && glfw.WindowParam(glfw.Opened) == 1 {
		update()
		draw()
	}
}

func (v *Video) Init(t <-chan []uint32, d <-chan []uint32, n string) {
	v.tick = t
	v.debug = d

	if err := glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	if err := glfw.OpenWindow(512, 480, 0, 0, 0, 0, 0, 0, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	if gl.Init() != 0 {
		panic("gl error")
	}

	gl.Enable(gl.TEXTURE_2D)

	glfw.SetWindowTitle(fmt.Sprintf("Fergulator - %s", n))
	glfw.SetWindowSizeCallback(reshape)
	glfw.SetWindowCloseCallback(quit_event)
	glfw.SetKeyCallback(KeyListener)
	reshape(512, 480)

	v.tex = gl.GenTexture()

	v.fpsmanager = gfx.NewFramerate()
	v.fpsmanager.SetFramerate(70)
}

func main() {
	var err error
	if err = glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	defer glfw.Terminate()

	if err = glfw.OpenWindow(640, 480, 8, 8, 8, 8, 0, 0, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	defer glfw.CloseWindow()

	glfw.SetWindowTitle("Draw")
	glfw.SetSwapInterval(1)
	glfw.SetKeyCallback(onKey)
	glfw.SetMouseButtonCallback(onMouseBtn)
	glfw.SetWindowSizeCallback(onResize)

	running = true
	for running && glfw.WindowParam(glfw.Opened) == 1 {
		if mouse[0] != 0 {
			pen.lineTo(glfw.MousePos())
		} else {
			pen.moveTo(glfw.MousePos())
		}

		glfw.SwapBuffers()
	}
}

func main() {
	log.Printf("Starting glfw window")

	err := glfw.Init()
	if err != nil {
		log.Fatalf("Error while starting glfw library: %v", err)
	}
	defer glfw.Terminate()

	err = glfw.OpenWindow(256, 256, 8, 8, 8, 0, 0, 0, glfw.Windowed)
	if err != nil {
		log.Fatalf("Error while opening glfw window: %v", err)
	}
	defer glfw.CloseWindow()

	glfw.SetSwapInterval(1) //vsync on

	glfw.SetWindowTitle("Colored Triangle")

	InitGL()

	glfw.SetWindowSizeCallback(func(w, h int) { InitGLWindow(w, h) })
	glfw.SetKeyCallback(func(key, state int) { HandleKey(key, state) })

	run := true
	for run && glfw.WindowParam(glfw.Opened) == 1 {
		select {
		case exitCode := <-exit:
			log.Printf("Received exit code: %d", exitCode)
			run = false
		default:
			Draw()
		}
	}
}

func main() {
	if err := glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "glfw: %s\n", err)
		return
	}
	defer glfw.Terminate()

	glfw.OpenWindowHint(glfw.WindowNoResize, 0)

	if err := glfw.OpenWindow(Width, Height, 0, 0, 0, 0, 16, 0, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "glfw: %s\n", err)
		return
	}
	defer glfw.CloseWindow()

	glfw.SetSwapInterval(60)
	glfw.SetWindowTitle(Title)

	if err := gl.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "gl: %s\n", err)
	}

	keybindings.BindKeyboard()

	gl.ClearColor(0, 0, 0, 1)

	GameLoop()

}

func main() {
	glfw.Init()
	defer glfw.Terminate()

	glfw.OpenWindow(640, 480, 8, 8, 8, 8, 0, 0, glfw.Windowed)
	defer glfw.CloseWindow()

	glfw.SetWindowTitle("Tile test")
	glfw.Enable(glfw.StickyKeys)
	glfw.SetSwapInterval(1)
	glfw.SetKeyCallback(inputCallback)

	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, GridWidth, GridHeight, 0, -1, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.Disable(gl.DEPTH_TEST)
	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

	gl.ClearColor(0.0, 0.0, 0.0, 1.0)
	initResources()
	initWorld()

	for Running {
		if (time.Since(DT).Nanoseconds() / 1000000) > 15 { //don't loop faster than every 15ms
			DT = time.Now()
			gl.Clear(gl.COLOR_BUFFER_BIT)
			player.update()
			renderScene()
			glfw.SwapBuffers()
		}
	}
}

func main() {
	rand.Seed(time.Now().UnixNano())

	glfw.Init()
	defer glfw.Terminate()
	glfw.OpenWindow(Width, Height, 8, 8, 8, 8, 0, 8, glfw.Windowed)
	defer glfw.CloseWindow()

	glfw.SetSwapInterval(1)
	glfw.SetWindowTitle("Chipmunk demo")
	glfw.SetWindowSizeCallback(onResize)
	glfw.SetKeyCallback(onKey)

	initGL()
	initScene()

	Running = true

	for Running && glfw.WindowParam(glfw.Opened) == 1 {
		drawScene()
		space.Step(1.0 / 20.0 / 3.0)
		space.Step(1.0 / 20.0 / 3.0)
		space.Step(1.0 / 20.0 / 3.0)
	}
}

// OpenWindow opens a new window with the given size.
func OpenWindow(w, h int) error {
	glfw.OpenWindowHint(glfw.WindowNoResize, 1)

	r, g, b := 0, 0, 0 // defaults
	a := 8             // 8-bit alpha channel
	d, s := 0, 0       // no depth or stencil buffers
	m := glfw.Windowed
	if err := glfw.OpenWindow(w, h, r, g, b, a, d, s, m); err != nil {
		return err
	}

	if gl.Init() != 0 {
		return errors.New("Failed to initialize OpenGL")
	}

	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.ClearColor(0.0, 0.0, 0.0, 0.0)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, float64(w), 0, float64(-h), -1, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Translated(0, float64(-h), 0)
	return nil
}

func main() {
	if err := glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "glfw: %s\n", err)
		return
	}
	defer glfw.Terminate()

	glfw.OpenWindowHint(glfw.WindowNoResize, 1)

	if err := glfw.OpenWindow(Width, Height, 0, 0, 0, 0, 0, 0, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "glfw: %s\n", err)
		return
	}
	defer glfw.CloseWindow()

	glfw.SetSwapInterval(1)
	glfw.SetWindowTitle(Title)

	if err := gl.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "gl: %s\n", err)
	}

	if err := initScene(); err != nil {
		fmt.Fprintf(os.Stderr, "init: %s\n", err)
		return
	}
	defer destroyScene()

	for glfw.WindowParam(glfw.Opened) == 1 {
		drawScene()
		glfw.SwapBuffers()
	}
}

func main() {
	var running bool = true

	if err := glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	defer glfw.Terminate()

	if err := glfw.OpenWindow(appWidth, appHeight, 8, 8, 8, 8,
		24, 8, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}
	defer glfw.CloseWindow()

	glfw.SetSwapInterval(1)
	glfw.SetWindowTitle(caption)

	if !horde3d.Init() {
		fmt.Println("Error starting Horde3D. Check Horde3d_log.html for details.")
		horde3d.DumpMessages()
		return
	}

	//horde3d.SetOption(horde3d.Options_DebugViewMode, 1)
	// Add resources
	//pipeline
	pipeRes = horde3d.AddResource(horde3d.ResTypes_Pipeline, "pipelines/hdr.pipeline.xml", 0)

	knightRes := horde3d.AddResource(horde3d.ResTypes_SceneGraph, "models/knight/knight.scene.xml", 0)

	//load resources paths separated by |
	horde3d.LoadResourcesFromDisk("../content")

	model := horde3d.RootNode.AddNodes(knightRes)
	model.SetTransform(0, 0, -30, 0, 0, 0, 0.1, 0.1, 0.1)

	// Add light source
	light := horde3d.RootNode.AddLightNode("Light1", 0, "LIGHTING", "SHADOWMAP")
	light.SetTransform(0, 20, 0, 0, 0, 0, 1, 1, 1)
	light.SetNodeParamF(horde3d.Light_RadiusF, 0, 50)

	//add camera
	cam = horde3d.RootNode.AddCameraNode("Camera", pipeRes)
	glfw.SetWindowSizeCallback(onResize)

	for running {

		horde3d.Render(cam)
		horde3d.FinalizeFrame()
		horde3d.DumpMessages()
		glfw.SwapBuffers()
		running = glfw.Key(glfw.KeyEsc) == 0 &&
			glfw.WindowParam(glfw.Opened) == 1
	}

	horde3d.Release()
}

func Open(w, h int, sWin string, fullscreen bool) *Window {

	if GWindow != nil {
		panic("only one Window is allowed")
	}
	listener.GListener = listener.New()
	win := &Window{width: w, height: h, title: sWin, inputListener: listener.GListener}
	GWindow = win

	var err error
	if err = glfw.Init(); err != nil {
		panic(fmt.Sprintf("[e] %v\n", err))
	}
	mode := glfw.Windowed
	if fullscreen {
		mode = glfw.Fullscreen
	}
	if err = glfw.OpenWindow(win.width, win.height, 8, 8, 8, 0, 16, 0, mode); err != nil {
		panic(fmt.Sprintf("[e] %v\n", err))
	}
	gl.Init() //WHY?? (shader creation fails when not)

	glfw.SetSwapInterval(1)        // Enable vertical sync on cards that support it.
	glfw.SetWindowTitle(win.title) // Set window title
	//CALLBACKS
	glfw.SetWindowSizeCallback(func(w, h int) { GWindow.reshape(w, h) })
	glfw.SetWindowCloseCallback(listener.OnClose)
	glfw.SetMouseButtonCallback(listener.OnMouseButton)
	glfw.SetMouseWheelCallback(listener.OnMouseWheel)
	glfw.SetKeyCallback(listener.OnKey)
	glfw.SetCharCallback(listener.OnChar)

	win.initGL()
	return win
}

func main() {
	// We need to lock the goroutine to one thread due time.Ticker
	runtime.LockOSThread()

	var err os.Error
	err = glfw.Init()
	if err != nil {
		fmt.Printf("GLFW: %s\n", err)
		return
	}
	defer glfw.Terminate()

	// You could probably change the required versions down
	glfw.OpenWindowHint(glfw.OpenGLVersionMajor, 3)
	glfw.OpenWindowHint(glfw.OpenGLVersionMinor, 3)
	glfw.OpenWindowHint(glfw.OpenGLProfile, 1)

	// Open Window with 8 bit Alpha
	err = glfw.OpenWindow(ScreenWidth, ScreenHeight, 0, 0, 0, 8, 0, 0, glfw.Windowed)
	if err != nil {
		fmt.Printf("GLFW: %s\n", err)
		return
	}
	defer glfw.CloseWindow()

	glfw.SetWindowTitle(WindowTitle)

	major, minor, rev := glfw.GLVersion()
	if major < 3 {
		fmt.Printf("Error your graphic card does not support OpenGL 3.3\n Your GL-Version is: %d, %d, %d\n", major, minor, rev)
		fmt.Println("You can try to lower the settings in glfw.OpenWindowHint(glfw.OpenGLVersionMajor/Minor.")
	}

	initStatus := gl.Init() // Init glew
	if initStatus != 0 {
		fmt.Printf("Error-code: %d Init-Status: %d\n", gl.GetError(), initStatus)
	}

	// Enable transparency in OpenGL
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

	initResources()
	// We are limiting the calls to display() (frames per second) to 60. This prevents the 100% cpu usage.
	ticker := time.NewTicker(int64(second) / 60) // max 60 fps
	for {
		<-ticker.C
		move := float32(math.Sin(glfw.Time()))
		angle := float32(glfw.Time())
		matrix = math3d.MakeTranslationMatrix(move, 0.0, 0.0)
		matrix = matrix.Multiply(math3d.MakeZRotationMatrix(angle)).Transposed()
		display()
	}

	// Free resources
	free()

	runtime.UnlockOSThread()
}

func InitWindow(w, h int, multisample int, vsync bool) {
	core.Fatal(glfw.Init())
	if multisample != 0 {
		glfw.OpenWindowHint(glfw.FsaaSamples, multisample)
	}
	Width, Height = w, h
	core.Fatal(glfw.OpenWindow(Width, Height, r, g, b, a, depth, stencil, glfw.Windowed))
	glfw.SetWindowTitle("mumax cubed")
	if vsync {
		glfw.SetSwapInterval(1)
	}
}

// NewWindow initialize glfw and opens a new window with p's properties.
// The AdvancedProperties ap is optional.
func NewWindow(p Properties, ap *AdvancedProperties) (*window, error) {
	if err := glfw.Init(); err != nil {
		return nil, err
	}
	w := &window{t: time.Now()}
	if ap != nil {
		glfw.OpenWindowHint(glfw.RefreshRate, ap.RefreshRate)
		glfw.OpenWindowHint(glfw.AccumRedBits, ap.AccumRedBits)
		glfw.OpenWindowHint(glfw.AccumGreenBits, ap.AccumGreenBits)
		glfw.OpenWindowHint(glfw.AccumBlueBits, ap.AccumBlueBits)
		glfw.OpenWindowHint(glfw.AccumAlphaBits, ap.AccumAlphaBits)
		glfw.OpenWindowHint(glfw.AuxBuffers, ap.AuxBuffers)
		if ap.Stereo {
			glfw.OpenWindowHint(glfw.Stereo, 1)
		} else {
			glfw.OpenWindowHint(glfw.Stereo, 0)
		}
		if ap.NoWindowResize {
			glfw.OpenWindowHint(glfw.WindowNoResize, 1)
		} else {
			glfw.OpenWindowHint(glfw.WindowNoResize, 0)
		}
		glfw.OpenWindowHint(glfw.FsaaSamples, ap.FsaaSamples)
		glfw.OpenWindowHint(glfw.OpenGLVersionMajor, ap.OpenGLVersionMajor)
		glfw.OpenWindowHint(glfw.OpenGLVersionMinor, ap.OpenGLVersionMinor)
		if ap.OpenGLForwardCompat {
			glfw.OpenWindowHint(glfw.OpenGLForwardCompat, 1)
		} else {
			glfw.OpenWindowHint(glfw.OpenGLForwardCompat, 0)
		}
		if ap.OpenGLDebugContext {
			glfw.OpenWindowHint(glfw.OpenGLDebugContext, 1)
		} else {
			glfw.OpenWindowHint(glfw.OpenGLDebugContext, 0)
		}
		switch ap.OpenGLProfile {
		case OpenGLCompatProfile:
			glfw.OpenWindowHint(glfw.OpenGLProfile, glfw.OpenGLCompatProfile)
		case OpenGLCoreProfile:
			glfw.OpenWindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
		default:
			return nil, ErrUnknownOpenGLProfile
		}
	}
	mode := glfw.Windowed
	if p.Fullscreen {
		mode = glfw.Fullscreen
	}
	if err := glfw.OpenWindow(p.Width, p.Height, p.R, p.G, p.B, p.A, p.Depth, p.Stencil, mode); err != nil {
		return nil, err
	}
	return w, nil
}

func main() {
	globalState.Mouse = make(map[int]bool)
	flag.Parse()
	var err error
	if err = glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	if len(flag.Args()) == 0 {
		old := flag.Usage
		flag.Usage = func() {
			old()
			fmt.Fprintf(os.Stderr, "You MUST pass the name of the file to view\n")
		}
		flag.Usage()
		return
	}

	mesh, err = wfobj.LoadMeshFromFile(flag.Args()[0])
	if err != nil {
		flag.Usage()
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	defer glfw.Terminate()

	if err = glfw.OpenWindow(Width, Height, 8, 8, 8, 8, 0, 8, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	defer glfw.CloseWindow()

	glfw.SetSwapInterval(1)
	glfw.SetWindowTitle(Title)
	glfw.SetWindowSizeCallback(onResize)
	glfw.SetKeyCallback(onKey)
	glfw.SetCharCallback(onChar)
	glfw.SetMouseWheelCallback(onWheel)
	glfw.SetMouseButtonCallback(onMouseButton)
	glfw.SetMousePosCallback(onMousePos)

	initGL()

	running = true
	for running && glfw.WindowParam(glfw.Opened) == 1 {
		handleInput()
		drawScene()
	}
}