Esempio n. 1
0
func run(title string, width, height int, fullscreen bool) {
	document := js.Global.Get("document")
	canvas = document.Call("createElement", "canvas")

	target := document.Call("getElementById", title)
	if target == nil {
		target = document.Get("body")
	}
	target.Call("appendChild", canvas)

	attrs := webgl.DefaultAttributes()
	attrs.Alpha = false
	attrs.Depth = false
	attrs.PremultipliedAlpha = false
	attrs.PreserveDrawingBuffer = false
	attrs.Antialias = false

	var err error
	gl, err = webgl.NewContext(canvas, attrs)
	if err != nil {
		log.Fatal(err)
	}

	js.Global.Set("onunload", func() {
		responder.Close()
	})

	canvas.Get("style").Set("display", "block")
	winWidth := js.Global.Get("innerWidth").Int()
	winHeight := js.Global.Get("innerHeight").Int()
	if fullscreen {
		canvas.Set("width", winWidth)
		canvas.Set("height", winHeight)
	} else {
		canvas.Set("width", width)
		canvas.Set("height", height)
		canvas.Get("style").Set("marginLeft", toPx((winWidth-width)/2))
		canvas.Get("style").Set("marginTop", toPx((winHeight-height)/2))
	}

	canvas.Call("addEventListener", "mousemove", func(ev *js.Object) {
		rect := canvas.Call("getBoundingClientRect")
		x := float32((ev.Get("clientX").Int() - rect.Get("left").Int()))
		y := float32((ev.Get("clientY").Int() - rect.Get("top").Int()))
		responder.Mouse(x, y, MOVE)
	}, false)

	canvas.Call("addEventListener", "mousedown", func(ev *js.Object) {
		rect := canvas.Call("getBoundingClientRect")
		x := float32((ev.Get("clientX").Int() - rect.Get("left").Int()))
		y := float32((ev.Get("clientY").Int() - rect.Get("top").Int()))
		responder.Mouse(x, y, PRESS)
	}, false)

	canvas.Call("addEventListener", "mouseup", func(ev *js.Object) {
		rect := canvas.Call("getBoundingClientRect")
		x := float32((ev.Get("clientX").Int() - rect.Get("left").Int()))
		y := float32((ev.Get("clientY").Int() - rect.Get("top").Int()))
		responder.Mouse(x, y, RELEASE)
	}, false)

	canvas.Call("addEventListener", "touchstart", func(ev *js.Object) {
		rect := canvas.Call("getBoundingClientRect")
		for i := 0; i < ev.Get("changedTouches").Get("length").Int(); i++ {
			touch := ev.Get("changedTouches").Index(i)
			x := float32((touch.Get("clientX").Int() - rect.Get("left").Int()))
			y := float32((touch.Get("clientY").Int() - rect.Get("top").Int()))
			responder.Mouse(x, y, PRESS)
		}
	}, false)

	canvas.Call("addEventListener", "touchcancel", func(ev *js.Object) {
		rect := canvas.Call("getBoundingClientRect")
		for i := 0; i < ev.Get("changedTouches").Get("length").Int(); i++ {
			touch := ev.Get("changedTouches").Index(i)
			x := float32((touch.Get("clientX").Int() - rect.Get("left").Int()))
			y := float32((touch.Get("clientY").Int() - rect.Get("top").Int()))
			responder.Mouse(x, y, RELEASE)
		}
	}, false)

	canvas.Call("addEventListener", "touchend", func(ev *js.Object) {
		rect := canvas.Call("getBoundingClientRect")
		for i := 0; i < ev.Get("changedTouches").Get("length").Int(); i++ {
			touch := ev.Get("changedTouches").Index(i)
			x := float32((touch.Get("clientX").Int() - rect.Get("left").Int()))
			y := float32((touch.Get("clientY").Int() - rect.Get("top").Int()))
			responder.Mouse(x, y, PRESS)
		}
	}, false)

	canvas.Call("addEventListener", "touchmove", func(ev *js.Object) {
		rect := canvas.Call("getBoundingClientRect")
		for i := 0; i < ev.Get("changedTouches").Get("length").Int(); i++ {
			touch := ev.Get("changedTouches").Index(i)
			x := float32((touch.Get("clientX").Int() - rect.Get("left").Int()))
			y := float32((touch.Get("clientY").Int() - rect.Get("top").Int()))
			responder.Mouse(x, y, MOVE)
		}
	}, false)

	js.Global.Call("addEventListener", "keypress", func(ev *js.Object) {
		responder.Type(rune(ev.Get("charCode").Int()))
	}, false)

	js.Global.Call("addEventListener", "keydown", func(ev *js.Object) {
		responder.Key(Key(ev.Get("keyCode").Int()), 0, PRESS)
	}, false)

	js.Global.Call("addEventListener", "keyup", func(ev *js.Object) {
		responder.Key(Key(ev.Get("keyCode").Int()), 0, RELEASE)
	}, false)

	gl.Viewport(0, 0, width, height)

	responder.Preload()
	Files.Load(func() {
		responder.Setup()
		RequestAnimationFrame(animate)
	})
}
Esempio n. 2
0
func run(title string, width, height int, fullscreen bool) {
	defer runtime.UnlockOSThread()
	runtime.GOMAXPROCS(runtime.NumCPU())
	fatalErr(glfw.Init())

	monitor := glfw.GetPrimaryMonitor()
	mode := monitor.GetVideoMode()

	// ideally we want a "windowless full screen"
	// but using normal full screen and disabling minimizing on OS X (which is broken)
	// is the best we can do for now...
	if fullscreen {
		if runtime.GOOS == "darwin" {
			glfw.WindowHint(glfw.AutoIconify, glfw.False)
		}
		glfw.WindowHint(glfw.Decorated, glfw.False)
	} else {
		monitor = nil
	}

	glfw.WindowHint(glfw.ContextVersionMajor, 2)
	glfw.WindowHint(glfw.ContextVersionMinor, 1)

	var err error
	window, err = glfw.CreateWindow(width, height, title, monitor, nil)
	fatalErr(err)
	window.MakeContextCurrent()

	if !fullscreen {
		window.SetPos((mode.Width-width)/2, (mode.Height-height)/2)
	}

	width, height = window.GetFramebufferSize()

	glfw.SwapInterval(1)

	gl = webgl.NewContext()

	gl.Viewport(0, 0, width, height)
	window.SetFramebufferSizeCallback(func(window *glfw.Window, w, h int) {
		width, height = window.GetFramebufferSize()
		gl.Viewport(0, 0, width, height)
		responder.Resize(w, h)
	})

	window.SetCursorPosCallback(func(window *glfw.Window, x, y float64) {
		responder.Mouse(float32(x), float32(y), MouseMove, MOVE)
	})

	window.SetMouseButtonCallback(func(window *glfw.Window, b glfw.MouseButton, a glfw.Action, m glfw.ModifierKey) {
		x, y := window.GetCursorPos()
		if a == glfw.Press {
			responder.Mouse(float32(x), float32(y), MouseKey(b), PRESS)
		} else {
			responder.Mouse(float32(x), float32(y), MouseKey(b), RELEASE)
		}
	})

	window.SetScrollCallback(func(window *glfw.Window, xoff, yoff float64) {
		responder.Scroll(float32(yoff))
	})

	window.SetKeyCallback(func(window *glfw.Window, k glfw.Key, s int, a glfw.Action, m glfw.ModifierKey) {
		if a == glfw.Press {
			responder.Key(Key(k), Modifier(m), PRESS)
		} else if a == glfw.Release {
			responder.Key(Key(k), Modifier(m), RELEASE)
		}
	})

	window.SetCharCallback(func(window *glfw.Window, char rune) {
		responder.Type(char)
	})

	setupAudio()

	responder.Preload()
	Files.Load(func() {})
	responder.Setup()

	shouldClose := window.ShouldClose()
	for !shouldClose {
		responder.Update(Time.Delta())
		gl.Clear(gl.COLOR_BUFFER_BIT)
		responder.Render()
		window.SwapBuffers()
		glfw.PollEvents()
		Time.Tick()

		shouldClose = window.ShouldClose()
	}
	window.Destroy()
	glfw.Terminate()
	responder.Close()
}
Esempio n. 3
0
func run(title string, width, height int, fullscreen bool) {
	runtime.LockOSThread()
	defer runtime.UnlockOSThread()

	fatalErr(glfw.Init())

	monitor, err := glfw.GetPrimaryMonitor()
	fatalErr(err)
	mode, err := monitor.GetVideoMode()
	fatalErr(err)

	if fullscreen {
		width = mode.Width
		height = mode.Height
		fatalErr(glfw.WindowHint(glfw.Decorated, 0))
	} else {
		monitor = nil
	}

	fatalErr(glfw.WindowHint(glfw.ContextVersionMajor, 2))
	fatalErr(glfw.WindowHint(glfw.ContextVersionMinor, 1))

	window, err = glfw.CreateWindow(width, height, title, monitor, nil)
	fatalErr(err)
	window.MakeContextCurrent()

	if !fullscreen {
		fatalErr(window.SetPosition((mode.Width-width)/2, (mode.Height-height)/2))
	}

	width, height, err = window.GetFramebufferSize()
	fatalErr(err)

	fatalErr(glfw.SwapInterval(1))

	gl = webgl.NewContext()

	gl.Viewport(0, 0, width, height)
	window.SetFramebufferSizeCallback(func(window *glfw.Window, w, h int) {
		width, height, err = window.GetFramebufferSize()
		fatalErr(err)
		gl.Viewport(0, 0, width, height)
		responder.Resize(w, h)
	})

	window.SetCursorPositionCallback(func(window *glfw.Window, x, y float64) {
		responder.Mouse(float32(x), float32(y), MOVE)
	})

	window.SetMouseButtonCallback(func(window *glfw.Window, b glfw.MouseButton, a glfw.Action, m glfw.ModifierKey) {
		x, y, err := window.GetCursorPosition()
		fatalErr(err)
		if a == glfw.Press {
			responder.Mouse(float32(x), float32(y), PRESS)
		} else {
			responder.Mouse(float32(x), float32(y), RELEASE)
		}
	})

	window.SetScrollCallback(func(window *glfw.Window, xoff, yoff float64) {
		responder.Scroll(float32(yoff))
	})

	window.SetKeyCallback(func(window *glfw.Window, k glfw.Key, s int, a glfw.Action, m glfw.ModifierKey) {
		if a == glfw.Press {
			responder.Key(Key(k), Modifier(m), PRESS)
		} else if a == glfw.Release {
			responder.Key(Key(k), Modifier(m), RELEASE)
		}
	})

	window.SetCharacterCallback(func(window *glfw.Window, char rune) {
		responder.Type(char)
	})

	responder.Preload()
	Files.Load(func() {})
	responder.Setup()

	shouldClose, err := window.ShouldClose()
	fatalErr(err)
	for !shouldClose {
		responder.Update(Time.Delta())
		gl.Clear(gl.COLOR_BUFFER_BIT)
		responder.Render()
		fatalErr(window.SwapBuffers())
		fatalErr(glfw.PollEvents())
		Time.Tick()

		shouldClose, err = window.ShouldClose()
		fatalErr(err)
	}
	fatalErr(window.Destroy())
	fatalErr(glfw.Terminate())
	responder.Close()
}