Example #1
0
File: main.go Project: sycoso/glfw
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()
	}
}
Example #2
0
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()
		}
	}
}
Example #3
0
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
}
Example #4
0
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()
		}
	}
}
Example #5
0
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()
	}
}
Example #6
0
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)
	}
}
Example #7
0
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()

}
Example #8
0
File: ca.go Project: samnardoni/ca
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()
	}
}
Example #9
0
File: main.go Project: sycoso/glfw
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)

	initGL()

	running = true
	for running && glfw.WindowParam(glfw.Opened) == 1 {
		drawScene()
	}
}
Example #10
0
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()
}
Example #11
0
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)
}
Example #12
0
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()
}
Example #13
0
File: main.go Project: sycoso/glfw
func main() {
	var err error
	if err = glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	defer glfw.Terminate()

	// Open window with FSAA samples (if possible).
	glfw.OpenWindowHint(glfw.FsaaSamples, 4)

	if err = glfw.OpenWindow(400, 400, 0, 0, 0, 0, 0, 0, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	defer glfw.CloseWindow()

	glfw.SetWindowTitle("Aliasing Detector")
	glfw.SetSwapInterval(1)

	if samples := glfw.WindowParam(glfw.FsaaSamples); samples != 0 {
		fmt.Fprintf(os.Stdout, "Context reports FSAA is supported with %d samples\n", samples)
	} else {
		fmt.Fprintf(os.Stdout, "Context reports FSAA is unsupported\n")
	}

	gl.MatrixMode(gl.PROJECTION)
	glu.Perspective(0, 1, 0, 1)

	for glfw.WindowParam(glfw.Opened) == 1 {
		time := float32(glfw.Time())

		gl.Clear(gl.COLOR_BUFFER_BIT)

		gl.LoadIdentity()
		gl.Translatef(0.5, 0, 0)
		gl.Rotatef(time, 0, 0, 1)

		gl.Enable(GL_MULTISAMPLE_ARB)
		gl.Color3f(1, 1, 1)
		gl.Rectf(-0.25, -0.25, 0.25, 0.25)

		gl.LoadIdentity()
		gl.Translatef(-0.5, 0, 0)
		gl.Rotatef(time, 0, 0, 1)

		gl.Disable(GL_MULTISAMPLE_ARB)
		gl.Color3f(1, 1, 1)
		gl.Rectf(-0.25, -0.25, 0.25, 0.25)
		glfw.SwapBuffers()
	}
}
Example #14
0
File: init.go Project: shenyp09/mx3
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)
	}
}
Example #15
0
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()
	}
}
Example #16
0
func main() {
	var err os.Error
	err = glfw.Init()
	if err != nil {
		fmt.Printf("GLFW: %s\n", err)
		return
	}
	defer glfw.Terminate()

	glfw.OpenWindowHint(glfw.WindowNoResize, 1)
	glfw.OpenWindowHint(glfw.OpenGLDebugContext, 1)

	// 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()

	for {
		display()
	}

	// Free resources
	free()
}
Example #17
0
File: main.go Project: andrebq/glfw
func main() {
	var err error
	if err = glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	// Ensure glfw is cleanly terminated on exit.
	defer glfw.Terminate()

	if err = glfw.OpenWindow(256, 256, 8, 8, 8, 0, 0, 0, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}

	// Ensure window is cleanly closed on exit.
	defer glfw.CloseWindow()

	// Enable vertical sync on cards that support it.
	glfw.SetSwapInterval(1)

	// Set window title
	glfw.SetWindowTitle("Simple GLFW window")

	// Hook some events to demonstrate use of callbacks.
	// These are not necessary if you don't need them.
	glfw.SetWindowSizeCallback(onResize)
	glfw.SetWindowCloseCallback(onClose)
	glfw.SetMouseButtonCallback(onMouseBtn)
	glfw.SetMouseWheelCallback(onMouseWheel)
	glfw.SetKeyCallback(onKey)
	glfw.SetCharCallback(onChar)

	// Start loop
	running := true
	for running {
		// OpenGL rendering goes here.

		// Swap front and back rendering buffers. This also implicitly calls
		// glfw.PollEvents(), so we have valid key/mouse/joystick states after
		// this. This behavior can be disabled by calling glfw.Disable with the
		// argument glfw.AutoPollEvents. You must be sure to manually call
		// PollEvents() or WaitEvents() in this case.
		glfw.SwapBuffers()

		// Break out of loop when Escape key is pressed, or window is closed.
		running = glfw.Key(glfw.KeyEsc) == 0 && glfw.WindowParam(glfw.Opened) == 1
	}
}
Example #18
0
func main() {
	flag.Parse()

	if *cpuprofile != "" {
		f, err := os.Create(*cpuprofile)
		if err != nil {
			log.Fatal(err)
		}

		pprof.StartCPUProfile(f)
		defer pprof.StopCPUProfile()
	}

	if err := readModel(); err != nil {
		log.Fatal(err)
	}

	if err := glfw.Init(); err != nil {
		log.Fatal(err)
	}
	defer glfw.Terminate()

	glfw.OpenWindowHint(glfw.WindowNoResize, 1)

	if err := glfw.OpenWindow(Width, Height, 0, 0, 0, 0, 16, 0, glfw.Windowed); err != nil {
		log.Fatal(err)
		return
	}
	defer glfw.CloseWindow()

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

	if err := gl.Init(); err != nil {
		log.Fatal(err)
	}

	initScene()
	defer destroyScene()

	for glfw.WindowParam(glfw.Opened) == 1 {
		applyMove()
		drawScene()
		glfw.SwapBuffers()
	}
}
Example #19
0
func (o *OpenGl) Init() {
	if err := glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "glfw: %s\n", err)
		return
	}
	defer glfw.Terminate()

	if err := glfw.OpenWindow(o.width, o.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(1)
	glfw.SetWindowTitle(o.title)

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

	glfw.SetKeyCallback(glfw.KeyHandler(o.keyboard))
	glfw.SetMouseButtonCallback(glfw.MouseButtonHandler(o.mouseClick))
	glfw.SetMousePosCallback(glfw.MousePosHandler(o.mouseMove))
	glfw.SetMouseWheelCallback(glfw.MouseWheelHandler(o.mouseWheel))

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

	for glfw.WindowParam(glfw.Opened) == 1 {
		gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

		if o.display3d != nil {
			o.set3dView()
			o.display3d()
		}
		if o.display2d != nil {
			o.set2dView()
			o.display2d()
		}

		glfw.SwapBuffers()
		time.Sleep(20 * time.Millisecond)
		//<-o.redisplay
	}
}
Example #20
0
func main() {

	// Setup the window

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

	// Set window properties
	glfw.OpenWindowHint(glfw.WindowNoResize, 0)
	//glfw.OpenWindowHint(glfw.OpenGLForwardCompat, gl.TRUE)
	glfw.OpenWindowHint(glfw.OpenGLDebugContext, gl.TRUE)

	// Actually open the window
	if err := glfw.OpenWindow(initial_width, initial_height, 0, 0, 0, 0, 16, 0, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "glfw: %s\n", err)
		return
	}

	// Close the window at the end of main()
	defer glfw.CloseWindow()

	// Only swap buffer once/ draw cycle (30 or 60 fps)
	glfw.SetSwapInterval(1)
	glfw.SetWindowTitle(Title)

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

	// While glfw.Opened is 1 (the window is open), keep swapping buffers
	for glfw.WindowParam(glfw.Opened) == 1 {

		glfw.SwapBuffers()
	}

	setCallbacks()

	// Initialize the openGL settings
	Initialize()
}
Example #21
0
func PositionCamera(x, y gl.Double, width, height gl.Sizei) {
	texs.Disable2d()
	texs.Enable2d(x, y, 1000, 900)

	gl.Viewport(0, 0, 1000, 900)
	gl.LoadIdentity()

	title := strconv.FormatInt(int64(x), 10) + " , " + strconv.FormatInt(int64(y), 10)

	glfw.SetWindowTitle(title)

	X = x
	y = Y
	Width = width
	Height = height

	//UpdateActiveSystems()

}
Example #22
0
func main() {
	fmt.Println("OpenGL Programming/Modern OpenGL Introduction")
	fmt.Println("Tutorial taken from http://en.wikibooks.org/wiki/OpenGL_Programming/Modern_OpenGL_Introduction")

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

	glfw.OpenWindowHint(glfw.OpenGLVersionMajor, 3)
	glfw.OpenWindowHint(glfw.OpenGLVersionMinor, 3)
	glfw.OpenWindowHint(glfw.OpenGLProfile, 1)

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

	glfw.SetWindowTitle(WindowTitle)

	// Init extension loading
	err = gl.Init()
	if err != nil {
		fmt.Printf("Init OpenGL extension loading failed with %s.\n", err)
	}

	initResources()

	// Render loop
	for glfw.WindowParam(glfw.Opened) == 1 {
		display()
	}

	// Free resources
	free()
}
Example #23
0
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) })

	// create a mesh with 3 vertices (a triangle)
	m := &Mesh{make([]*Vector, 3)}
	m.V[0] = &Vector{0, 1, 0, color.NRGBA{1, 0, 0, 0}}
	m.V[1] = &Vector{-1, -1, 0, color.NRGBA{0, 1, 0, 0}}
	m.V[2] = &Vector{1, -1, 0, color.NRGBA{0, 0, 1, 0}}

	run := true
	for run && glfw.WindowParam(glfw.Opened) == 1 {
		select {
		case exitCode := <-exit:
			log.Printf("Received exit code: %d", exitCode)
			run = false
		default:
			Draw(m)
		}
	}
}
Example #24
0
File: main.go Project: vron/fm
func initGLFW() {
	log.SetFlags(log.Lshortfile)
	if err := glfw.Init(); err != nil {
		log.Fatalf("glfw: %s\n", err)
		return
	}
	//defer glfw.Terminate()

	//glfw.OpenWindowHint(glfw.Windowed, 1)

	Width := 800
	Height := 600
	if err := glfw.OpenWindow(Width, Height, 0, 0, 0, 0, 16, 0, glfw.Windowed); err != nil {
		log.Fatalf("glfw: %s\n", err)
		return
	}
	//defer glfw.CloseWindow()

	glfw.SetSwapInterval(2)
	glfw.SetWindowTitle("This is my title")
}
Example #25
0
func main() {

	// Set width and height.
	WIDTH := 960
	HEIGHT := 720

	// Open up a Window (that would potentially be used for OpenGL) with glfw
	if err := glfw.Init(); err != nil {
		// Error.
		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
		return
	}
	defer glfw.Terminate()

	if err := glfw.OpenWindow(WIDTH, HEIGHT, 0, 0, 0, 0, 0, 0, glfw.Windowed); err != nil {
		// Error.
		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
		return
	}

	glfw.SetWindowTitle("LifePack")

	// Initialize.
	// Initialize (pseudo) random number generator (used in other files).
	rand.Seed(time.Now().Unix())

	// We need a way for the user to exit the program.
	// This will be accomplished by making it so, when the user presses
	// the [ESC] key, that the program exists.
	//
	// The keyHandler function makes this happen, and will exit this
	// program if [ESC] is pressed.
	glfw.SetKeyCallback(keyHandler)

	// Set up OpenGL in a way that we can do 2D graphics (as opposed to 3D graphics).
	initialize(WIDTH, HEIGHT)

	// Run.
	run(WIDTH, HEIGHT)
}
Example #26
0
func main() {

	flag.Parse()

	var done bool

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

	defer glfw.Terminate()

	if err = glfw.OpenWindow(300, 300, 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")
	}

	defer glfw.CloseWindow()

	glfw.SetWindowTitle("gears")

	glfw.SetWindowSizeCallback(reshape)

	init_()
	reshape(300, 300)
	done = false
	for !done {
		idle()
		draw()
		done = glfw.Key(glfw.KeyEsc) != 0 || glfw.WindowParam(glfw.Opened) == 0
	}

}
Example #27
0
func main() {
	var err os.Error
	if err = glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "%v\n", err)
		return
	}

	// Ensure glfw is cleanly terminated on exit.
	defer glfw.Terminate()

	if err = glfw.OpenWindow(300, 300, 0, 0, 0, 0, 0, 0, glfw.Windowed); err != nil {
		fmt.Fprintf(os.Stderr, "%v\n", err)
		return
	}

	// Ensure window is cleanly closed on exit.
	defer glfw.CloseWindow()

	// Enable vertical sync on cards that support it.
	glfw.SetSwapInterval(1)

	// Set window title
	glfw.SetWindowTitle("Simple GLFW window")

	running := true
	for running {
		// OpenGL rendering goes here.

		// Swap front and back rendering buffers. This also implicitly calls
		// glfw.PollEvents(), so we have valid key/mouse/joystick states after
		// this. This behavior can be disabled by calling glfw.Disable with the
		// argument glfw.AutoPollEvents. You must be sure to manually call
		// PollEvents() or WaitEvents() in this case.
		glfw.SwapBuffers()

		// Break out of loop when Escape key is pressed, or window is closed.
		running = glfw.Key(glfw.KeyEsc) == 0 && glfw.WindowParam(glfw.Opened) == 1
	}
}
Example #28
0
func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())
	flag.Parse()

	if *flagListRules {
		for _, name := range automata.Rulers() {
			fmt.Println(name)
		}
		return
	}

	if err := glfw.Init(); err != nil {
		log.Fatal(err)
	}
	defer glfw.Terminate()

	glfw.OpenWindowHint(glfw.WindowNoResize, 1)

	if err := glfw.OpenWindow(Width, Height, 0, 0, 0, 0, 0, 0, glfw.Windowed); err != nil {
		log.Fatal(err)
	}
	defer glfw.CloseWindow()

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

	if err := gl.Init(); err != nil {
		log.Fatal(err)
	}

	initScene()
	defer destroyScene()

	for glfw.WindowParam(glfw.Opened) == 1 {
		drawScene()
		glfw.SwapBuffers()
	}
}
Example #29
0
func main() {
	var err error
	if err = glfw.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}
	path, err := gas.Abs("github.com/andrebq/wfobj/testdata/complex/complex.obj")
	if err != nil {
		fmt.Fprintf(os.Stderr, "[e] %v\n", err)
		return
	}
	mesh, err = wfobj.LoadMeshFromFile(path)
	if 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)

	initGL()

	running = true
	for running && glfw.WindowParam(glfw.Opened) == 1 {
		drawScene()
	}
}
Example #30
0
func initWindow(caption string) {
	//glfw stuff
	err := glfw.Init()
	if err != nil {
		panic(err)
	}

	_w = 500
	_h = 500

	glfw.OpenWindowHint(glfw.OpenGLVersionMinor, 2)
	glfw.OpenWindowHint(glfw.OpenGLVersionMajor, 3)
	glfw.OpenWindowHint(glfw.OpenGLProfile, 0) //glfw.OpenGLCoreProfile)

	err = glfw.OpenWindow(_w, _h, 0, 0, 0, 0, 0, 0, glfw.Windowed)
	if err != nil {
		panic(err)
	}
	glfw.SetWindowTitle(caption)
	glfw.Disable(glfw.AutoPollEvents)

	glfw.SetWindowSizeCallback(onResize)
}