Example #1
0
func main() {
	if err := sdl.Init(sdl.INIT_AUDIO); err != nil {
		log.Println(err)
		return
	}

	if err := mix.Init(mix.INIT_MP3); err != nil {
		log.Println(err)
		return
	}
	defer sdl.Quit()
	defer mix.Quit()
	defer mix.CloseAudio()

	if err := mix.OpenAudio(22050, mix.DEFAULT_FORMAT, 2, 4096); err != nil {
		log.Println(err)
		return
	}

	if music, err := mix.LoadMUS("test.mp3"); err != nil {
		log.Println(err)
	} else if err = music.Play(1); err != nil {
		log.Println(err)
	} else {
		sdl.Delay(5000)
		music.Free()
	}
}
Example #2
0
// DelayToNextFrame waits until it's time to do the next event/render loop
func (g *GameManager) DelayToNextFrame() {
	curTime := sdl.GetTicks()

	if g.prevFrameTime == 0 {
		if curTime >= g.FrameDelay {
			g.prevFrameTime = curTime - g.FrameDelay
		}
	}

	diff := curTime - g.prevFrameTime

	if g.FrameDelay > diff {
		frameDelayUnder := g.FrameDelay - diff
		// we have not yet exceeded one frame, so we need to sleep
		//fmt.Printf("Under: %d %d %d %d\n", curTime, g.prevFrameTime, diff, frameDelayUnder)
		sdl.Delay(frameDelayUnder)
	} else {
		//frameDelayOver := diff - g.FrameDelay
		//fmt.Printf("Over: %d %d %d %d\n", curTime, g.prevFrameTime, diff, frameDelayOver)
		// we have exceeded one frame, so no sleep
		// TODO sleep less in the future to make up for it?
	}

	g.prevFrameTime = curTime
}
Example #3
0
func StateMachine(coreFunction Update, updateFunctionsToStartWith []Update) {
	UpdateFunctions = updateFunctionsToStartWith
	functionCount := len(updateFunctionsToStartWith)
	states := make([]int, functionCount)
	for i := 0; i < functionCount; i++ {
		states[i] = 0
	}
	coreState := coreFunction(0)
	for coreState != -1 && functionCount != 0 {
		for i := 0; i < functionCount; i++ {
			states[i] = UpdateFunctions[i](states[i])
		}
		newCount := len(UpdateFunctions)
		states = append(states, make([]int, newCount-functionCount)...)
		for i := functionCount; i < newCount; i++ {
			states[i] = 0
		}
		for i := functionCount - 1; i >= 0; i-- {
			if states[i] == -1 {
				UpdateFunctions = append(UpdateFunctions[:i], UpdateFunctions[i+1:]...)
				states = append(states[:i], states[i+1:]...)
			}
		}
		functionCount = len(UpdateFunctions)
		sdl.Delay(15)
		coreState = coreFunction(coreState)
	}
}
Example #4
0
// Render updates the screen, based on the new positions of the bats and the ball.
func render() {
	var fps uint32
	fps = 60
	var delay uint32
	delay = 1000 / fps

	var frameStart uint32
	frameStart = sdl.GetTicks()

	renderer.Clear()
	renderMyBat()
	renderComputersBat()
	renderScore()
	// if the game is over render the gameOver graphic
	if gameOver == true {
		renderGameOver()
	} else {
		// otherwise we need to draw the ball
		renderBall()
	}
	// Show the game window window.
	renderer.Present()

	var frameTime uint32
	frameTime = sdl.GetTicks() - frameStart
	if frameTime < delay {
		sdl.Delay(delay - frameTime)
	}
}
Example #5
0
// Update is
func (T *TextWidget) Update() {
	w := T.Geometry.Width
	// h := T.Geometry.Height
	var r sdl.Rect
	T.Clear()
	for i, line := range T.Content {
		r = sdl.Rect{
			X: T.Padding.Left,
			Y: T.Padding.Top + int32(i*T.LineHeight),
			W: int32(w),
			H: int32(T.LineHeight),
		}
		T.DrawColoredText(line.Content,
			&r, "foreground", "default",
			line.Rules,
		)
	}

	T.App.DrawMode()
	T.drawCursor()
	// T.Renderer.Clear()
	// T.Renderer.Present()
	sdl.Delay(5)
	T.App.Window.UpdateSurface()
}
Example #6
0
func main() {
	rom, err := LoadROM(os.Args[1])

	if err != nil {
		panic(err)
	}

	frameDelay := 1000 / frameRate

	window := sdl.CreateWindow(
		"Go NES",
		sdl.WINDOWPOS_UNDEFINED,
		sdl.WINDOWPOS_UNDEFINED,
		256,
		240,
		sdl.WINDOW_SHOWN,
	)

	if window == nil {
		panic(sdl.GetError())
	}

	defer window.Destroy()

	controller := NewController()
	ppu := NewPPU(window, NewVRAM(rom.Mapper()))
	cpu := NewCPU(NewMMU(rom.Mapper(), ppu, controller), ppu)

	ticksPerFrame := uint32(341 * 262)

	for {
		expectedTicks := sdl.GetTicks() + frameDelay

		for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
			switch event := event.(type) {
			case *sdl.KeyDownEvent:
				controller.SetKeyState(event.Keysym.Sym, true)
			case *sdl.KeyUpEvent:
				controller.SetKeyState(event.Keysym.Sym, false)
			case *sdl.QuitEvent:
				return
			}
		}

		ppuTicks := uint32(0)

		for ppuTicks < ticksPerFrame {
			ppuTicks += ppu.Tick(cpu.Tick())
		}

		actualTicks := sdl.GetTicks()

		if actualTicks < expectedTicks {
			sdl.Delay(expectedTicks - actualTicks)
		}
	}
}
Example #7
0
func main() {
	var window *sdl.Window
	var renderer *sdl.Renderer
	var event sdl.Event
	var running bool

	window = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		winWidth, winHeight, sdl.WINDOW_SHOWN)
	if window == nil {
		fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", sdl.GetError())
		os.Exit(1)
	}

	renderer = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
	if renderer == nil {
		fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", sdl.GetError())
		os.Exit(2)
	}

	var peepArray []sdl.Event = make([]sdl.Event, 5)

	running = true
	for running {
		sdl.PumpEvents()
		numEventsRetrieved := sdl.PeepEvents(peepArray, sdl.PEEKEVENT, sdl.FIRSTEVENT, sdl.LASTEVENT)
		if numEventsRetrieved < 0 {
			fmt.Printf("PeepEvents error: %s\n", sdl.GetError())
		} else {
			for i := 0; i < numEventsRetrieved; i++ {
				fmt.Printf("Event Peeked Value: %v\n", peepArray[i]) // primitive printing of event
			}
		}

		for event = sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
			switch t := event.(type) {
			case *sdl.QuitEvent:
				running = false
			case *sdl.MouseMotionEvent:
				fmt.Printf("[%d ms] MouseMotion\ttype:%d\tid:%d\tx:%d\ty:%d\txrel:%d\tyrel:%d\n",
					t.Timestamp, t.Type, t.Which, t.X, t.Y, t.XRel, t.YRel)
			case *sdl.MouseButtonEvent:
				fmt.Printf("[%d ms] MouseButton\ttype:%d\tid:%d\tx:%d\ty:%d\tbutton:%d\tstate:%d\n",
					t.Timestamp, t.Type, t.Which, t.X, t.Y, t.Button, t.State)
			case *sdl.MouseWheelEvent:
				fmt.Printf("[%d ms] MouseWheel\ttype:%d\tid:%d\tx:%d\ty:%d\n",
					t.Timestamp, t.Type, t.Which, t.X, t.Y)
			case *sdl.KeyUpEvent:
				fmt.Printf("[%d ms] Keyboard\ttype:%d\tsym:%c\tmodifiers:%d\tstate:%d\trepeat:%d\n",
					t.Timestamp, t.Type, t.Keysym.Sym, t.Keysym.Mod, t.State, t.Repeat)
			}
		}
		sdl.Delay(1000 / 30)
	}

	renderer.Destroy()
	window.Destroy()
}
Example #8
0
func run() int {
	var window *sdl.Window
	var renderer *sdl.Renderer
	var points []sdl.Point
	var rect sdl.Rect
	var rects []sdl.Rect

	window, err := sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		winWidth, winHeight, sdl.WINDOW_SHOWN)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", err)
		return 1
	}
	defer window.Destroy()

	renderer, err = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", err)
		return 2
	}
	defer renderer.Destroy()

	renderer.Clear()

	renderer.SetDrawColor(255, 255, 255, 255)
	renderer.DrawPoint(150, 300)

	renderer.SetDrawColor(0, 0, 255, 255)
	renderer.DrawLine(0, 0, 200, 200)

	points = []sdl.Point{{0, 0}, {100, 300}, {100, 300}, {200, 0}}
	renderer.SetDrawColor(255, 255, 0, 255)
	renderer.DrawLines(points)

	rect = sdl.Rect{300, 0, 200, 200}
	renderer.SetDrawColor(255, 0, 0, 255)
	renderer.DrawRect(&rect)

	rects = []sdl.Rect{{400, 400, 100, 100}, {550, 350, 200, 200}}
	renderer.SetDrawColor(0, 255, 255, 255)
	renderer.DrawRects(rects)

	rect = sdl.Rect{250, 250, 200, 200}
	renderer.SetDrawColor(0, 255, 0, 255)
	renderer.FillRect(&rect)

	rects = []sdl.Rect{{500, 300, 100, 100}, {200, 300, 200, 200}}
	renderer.SetDrawColor(255, 0, 255, 255)
	renderer.FillRects(rects)

	renderer.Present()

	sdl.Delay(2000)

	return 0
}
Example #9
0
func doesMyCodeWork2() {
	startTime := time.Now()
	for i := 0; i != -1; i++ {
		fmt.Print(i)
		fmt.Print(": ")
		timeDiff := time.Now().Second() + 60*time.Now().Minute() - startTime.Second() - startTime.Minute()*60
		fmt.Println(timeDiff)
		sdl.Delay(1000)
	}
}
Example #10
0
File: game.go Project: doddo/gfx
func (g *Game) tick() {
	//var ticks uint32
	g.defaultSleep = 300 // this param will control the speed somehow TODO Fix this

	sdl.Delay(1)

	if sdl.GetTicks()%g.defaultSleep == 0 {
		g.heartbeat(sdl.GetTicks())
	}
}
Example #11
0
func main() {
	for game.loop {
		get_event()
		logic()
		renderer.Clear()
		render()
		renderer.Present()
		sdl.Delay(delay)
	}
}
Example #12
0
// Pause pauses execution of the game for the specified number of ticks.
// During the pause period nothing will happen. All input will be ignored
// and the window will not redraw.
//
// The duration of the pause must be specified in ticks in a variable
// of type int64
//
// Pause will panic if:
//
// 1. The toolbox has not been initialised.
//
// 2. The numnber of ticks is negative.
func Pause(numberOfTicks int64) {
	if !initialised {
		// this stops execution here, so ne need for an else after the if
		panic(notInitialisedMessage)
	}
	if numberOfTicks < 0 {
		panic("Cannot pause. The numberOfTicks is negative.")
	}
	sdl.Delay(uint32(numberOfTicks))
}
Example #13
0
//DispatchKeys interface method
func (sw *Switcher) DispatchKeys(t *sdl.KeyDownEvent) int {
	app := sw.App
	T := app.Widget
	key := sdl.GetScancodeName(t.Keysym.Scancode)
	if (key == "N" && t.Keysym.Mod == 64) || key == "Down" {
		T.SetLine(sw.Selected, sw.getLine(sw.Selected, sw.Clients[sw.Selected], false))
		if sw.Selected < len(sw.Clients)-1 {
			sw.Selected++
		} else {
			sw.Selected = 0
		}
		T.SetLine(sw.Selected, sw.getLine(sw.Selected, sw.Clients[sw.Selected], true))
		return 1
	}
	if (key == "P" && t.Keysym.Mod == 64) || key == "Up" {
		T.SetLine(sw.Selected, sw.getLine(sw.Selected, sw.Clients[sw.Selected], false))
		if sw.Selected > 0 {
			sw.Selected--
		} else {
			sw.Selected = len(sw.Clients) - 1
		}
		T.SetLine(sw.Selected, sw.getLine(sw.Selected, sw.Clients[sw.Selected], true))
		return 1
	}
	if key == "X" && t.Keysym.Mod == 64 {
		wid := sw.Clients[sw.Selected].WID
		ewmh.CloseWindow(X, wid)
		sdl.Delay(500)
		sw.Clients = GetClients()
		sw.Draw()
		return 1
	}
	if (key == "J" && t.Keysym.Mod == 64) || key == "Return" {
		wid := sw.Clients[sw.Selected].WID
		ewmh.ActiveWindowReq(X, wid)
		return 0
	}
	if strings.Index("0123456789", key) > -1 {
		i, err := strconv.Atoi(key)
		if err == nil && len(sw.Clients) > i {
			sw.Selected = i
			if t.Keysym.Mod == 64 {
				wid := sw.Clients[sw.Selected].WID
				ewmh.ActiveWindowReq(X, wid)
				return 0
			}
			sw.Draw()
			return 1
		}
	}
	if t.Keysym.Sym == sdl.K_ESCAPE || t.Keysym.Sym == sdl.K_CAPSLOCK {
		return 0
	}
	return 1
}
Example #14
0
func main() {
	var window *sdl.Window
	var renderer *sdl.Renderer
	var points []sdl.Point
	var rect sdl.Rect
	var rects []sdl.Rect

	window = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		winWidth, winHeight, sdl.WINDOW_SHOWN)
	if window == nil {
		fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", sdl.GetError())
		os.Exit(1)
	}

	renderer = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
	if renderer == nil {
		fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", sdl.GetError())
		os.Exit(2)
	}

	renderer.SetDrawColor(255, 255, 255, 255)
	renderer.DrawPoint(150, 300)

	renderer.SetDrawColor(0, 0, 255, 255)
	renderer.DrawLine(0, 0, 200, 200)

	points = []sdl.Point{{0, 0}, {100, 300}, {100, 300}, {200, 0}}
	renderer.SetDrawColor(255, 255, 0, 255)
	renderer.DrawLines(points)

	rect = sdl.Rect{300, 0, 200, 200}
	renderer.SetDrawColor(255, 0, 0, 255)
	renderer.DrawRect(&rect)

	rects = []sdl.Rect{{400, 400, 100, 100}, {550, 350, 200, 200}}
	renderer.SetDrawColor(0, 255, 255, 255)
	renderer.DrawRects(rects)

	rect = sdl.Rect{250, 250, 200, 200}
	renderer.SetDrawColor(0, 255, 0, 255)
	renderer.FillRect(&rect)

	rects = []sdl.Rect{{500, 300, 100, 100}, {200, 300, 200, 200}}
	renderer.SetDrawColor(255, 0, 255, 255)
	renderer.FillRects(rects)

	renderer.Present()

	sdl.Delay(2000)

	renderer.Destroy()
	window.Destroy()
}
Example #15
0
func main() {
	js, err := GetJs()
	if err != nil {
		panic(err)
	}

	for {
		axes := GetAxes(js)
		sdl.Delay(100)
		log.Println(axes)
	}
}
Example #16
0
func run() int {
	var window *sdl.Window
	var renderer *sdl.Renderer
	var texture *sdl.Texture
	var src, dst sdl.Rect
	var err error

	window, err = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		winWidth, winHeight, sdl.WINDOW_SHOWN)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", err)
		return 1
	}
	defer window.Destroy()

	renderer, err = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", err)
		return 2
	}
	defer renderer.Destroy()

	image, err := img.Load(imageName)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to load PNG: %s\n", err)
		return 3
	}
	defer image.Free()

	texture, err = renderer.CreateTextureFromSurface(image)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create texture: %s\n", err)
		return 4
	}
	defer texture.Destroy()

	src = sdl.Rect{0, 0, 512, 512}
	dst = sdl.Rect{100, 50, 512, 512}

	renderer.Clear()
	renderer.SetDrawColor(255, 0, 0, 255)
	renderer.FillRect(&sdl.Rect{0, 0, int32(winWidth), int32(winHeight)})
	renderer.Copy(texture, &src, &dst)
	renderer.Present()

	sdl.Delay(2000)

	return 0
}
Example #17
0
func run() int {
	var window *sdl.Window
	var font *ttf.Font
	var surface *sdl.Surface
	var solid *sdl.Surface
	var err error

	sdl.Init(sdl.INIT_VIDEO)

	if err := ttf.Init(); err != nil {
		fmt.Fprintf(os.Stderr, "Failed to initialize TTF: %s\n", err)
		return 1
	}

	if window, err = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, winWidth, winHeight, sdl.WINDOW_SHOWN); err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", err)
		return 2
	}
	defer window.Destroy()

	if font, err = ttf.OpenFont("../../assets/test.ttf", 32); err != nil {
		fmt.Fprint(os.Stderr, "Failed to open font: %s\n", err)
		return 4
	}
	defer font.Close()

	if solid, err = font.RenderUTF8_Solid("Hello, World!", sdl.Color{255, 0, 0, 255}); err != nil {
		fmt.Fprint(os.Stderr, "Failed to render text: %s\n", err)
		return 5
	}
	defer solid.Free()

	if surface, err = window.GetSurface(); err != nil {
		fmt.Fprint(os.Stderr, "Failed to get window surface: %s\n", err)
		return 6
	}

	if err = solid.Blit(nil, surface, nil); err != nil {
		fmt.Fprint(os.Stderr, "Failed to put text on window surface: %s\n", err)
		return 7
	}

	// Show the pixels for a while
	window.UpdateSurface()
	sdl.Delay(3000)

	return 0
}
Example #18
0
func main() {
	music := openal.NewSource()
	music.SetLooping(false)
	if game.music {
		go play_music(music)
		musicThread = true
	}
	for game.loop {
		get_event()
		logic(music)
		renderer.Clear()
		render()
		renderer.Present()
		sdl.Delay(delay)
	}
}
Example #19
0
func main() {

	if len(os.Args) < 2 {
		fmt.Println("usage: emuChip8 <game>")
		os.Exit(1)
	}

	sdl.Init(sdl.INIT_EVERYTHING)
	window, err := sdl.CreateWindow("Chip8", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		WIN_WIDTH, WIN_HEIGHT, sdl.WINDOW_SHOWN)

	if err != nil {
		panic(err)
	}
	defer window.Destroy()

	surface, err := window.GetSurface()
	if err != nil {
		panic(err)
	}

	chip := new(Chip8)
	chip.surface = surface
	chip.init()
	chip.loadGame(os.Args[1])

	chip.quit = false
	for !chip.quit {

		if err := chip.emulateCycle(); err != nil {
			fmt.Println(err)
		}

		if chip.drawFlag {
			chip.drawGraphics()
			window.UpdateSurface()
			chip.drawFlag = false
		}

		chip.setKeys()
		sdl.Delay(1)

	}

	chip.cleanup()

}
Example #20
0
func main() {
	var window *sdl.Window
	var renderer *sdl.Renderer
	var texture *sdl.Texture
	var src, dst sdl.Rect

	window = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		winWidth, winHeight, sdl.WINDOW_SHOWN)
	if window == nil {
		fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", sdl.GetError())
		os.Exit(1)
	}

	renderer = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
	if renderer == nil {
		fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", sdl.GetError())
		os.Exit(2)
	}

	image := img.Load(imageName)
	if image == nil {
		fmt.Fprintf(os.Stderr, "Failed to load PNG: %s\n", sdl.GetError())
		os.Exit(3)
	}

	texture = renderer.CreateTextureFromSurface(image)
	if texture == nil {
		fmt.Fprintf(os.Stderr, "Failed to create texture: %s\n", sdl.GetError())
		os.Exit(4)
	}

	src = sdl.Rect{0, 0, 512, 512}
	dst = sdl.Rect{100, 50, 512, 512}

	renderer.Clear()
	renderer.SetDrawColor(255, 0, 0, 255)
	renderer.FillRect(&sdl.Rect{0, 0, int32(winWidth), int32(winHeight)})
	renderer.Copy(texture, &src, &dst)
	renderer.Present()

	sdl.Delay(2000)

	image.Free()
	texture.Destroy()
	renderer.Destroy()
	window.Destroy()
}
Example #21
0
func main() {
	var window *sdl.Window
	var renderer *sdl.Renderer
	var image *sdl.Surface
	var texture *sdl.Texture
	var src, dst sdl.Rect
	var err error

	window, err = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		winWidth, winHeight, sdl.WINDOW_SHOWN)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", err)
		os.Exit(1)
	}
	defer window.Destroy()

	renderer, err = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", err)
		os.Exit(2)
	}
	defer renderer.Destroy()

	image, err = sdl.LoadBMP(imageName)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to load BMP: %s\n", err)
		os.Exit(3)
	}
	defer image.Free()

	texture, err = renderer.CreateTextureFromSurface(image)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create texture: %s\n", err)
		os.Exit(4)
	}
	defer texture.Destroy()

	src = sdl.Rect{0, 0, 512, 512}
	dst = sdl.Rect{100, 50, 512, 512}

	renderer.Clear()
	renderer.Copy(texture, &src, &dst)
	renderer.Present()

	sdl.Delay(2000)
}
Example #22
0
func main() {
	// Run the game on main thread only.
	// This is important because SDL will freeze / crash
	// if an action is running outside the main thread
	runtime.LockOSThread()

	// Show us a welomce message
	log.Println("Welcome to Kaori")

	// Don't forget to say goodbye ;)
	defer log.Println("Goodbye o/")

	// Show information about the runtime
	log.Printf("Compiled with %s for %s %s\n", runtime.Compiler, runtime.GOOS, runtime.GOARCH)

	// Don't forget to clean the game after it's done
	game.Init("Kaori", sdl.WINDOWPOS_CENTERED, sdl.WINDOWPOS_CENTERED, 800, 600, false)

	// Don't forget to clean the game after it's done
	defer game.Clean()

	for game.Running() {
		// Get the current time to mark a frame start
		frameStart = sdl.GetTicks()

		// Run all of the 'update' functions
		game.HandleEvents()
		game.Update()
		game.Render()

		// Record the time
		frameTime = sdl.GetTicks() - frameStart

		// Check if it's faster than delay time
		if frameTime < DELAY_TIME {
			// If it is faster, delay the game to prevent "speeding" on certain tick event
			sdl.Delay(DELAY_TIME - frameTime)
		}
	}
}
Example #23
0
func pollJoystick(c chan [5]int16, m chan *godrone.MotorPWM) {
	js, err := joystick.GetJs()
	if err != nil {
		panic(err)
	}

	var trim float64 = 0.1
	for {
		axes := joystick.GetAxes(js)
		sdl.Delay(100)
		c <- axes

		if axes[TRIM_AXIS] != 0 {
			var oper int64 = int64(axes[TRIM_AXIS]) - 128
			delta := (float64(oper) / 65536) / TRIM_CHANGE
			trim += delta
		}

		if trim < 0 {
			trim = 0.0
		}

		if trim > godrone.MAX_MOTOR {
			trim = godrone.MAX_MOTOR
		}

		var throttle float64 = 0.0
		if axes[THROTTLE_AXIS] != 0 {
			var oper int64 = 32768 - int64(axes[THROTTLE_AXIS])
			throttle = (float64(oper) / 65536) * trim
		}

		motors := godrone.MotorPWM{throttle}
		m <- &motors

		printRow(1, fmt.Sprintf("THrottle: %f          ", throttle))
		printRow(2, fmt.Sprintf("Trim:     %f          ", trim))
	}
}
Example #24
0
func main() {
	sdl.Init(sdl.INIT_EVERYTHING)

	window, err := sdl.CreateWindow("test", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		800, 600, sdl.WINDOW_SHOWN)
	if err != nil {
		panic(err)
	}
	defer window.Destroy()

	surface, err := window.GetSurface()
	if err != nil {
		panic(err)
	}

	rect := sdl.Rect{0, 0, 200, 200}
	surface.FillRect(&rect, 0xffff0000)
	window.UpdateSurface()

	sdl.Delay(1000)
	sdl.Quit()
}
Example #25
0
func main() {
	var window *sdl.Window
	var renderer *sdl.Renderer

	sdl.Init(sdl.INIT_EVERYTHING)

	window = createWindow(winTitle, winHeight, winWidth)
	defer window.Destroy()

	renderer = createRenderer(window)
	defer renderer.Destroy()

	var secTickChan = time.Tick(time.Second)
	var events = &Events{}
	var fps = 0
	var view = NewGameView()

	for {
		// Pump events
		events.GetEvents()

		// Pass events and renderer to view
		view.Render(renderer, events)

		// This structure logs the fps
		select {
		case <-secTickChan:
			log.Println("fps:", fps)
			fps = 0
		default:
			fps++
		}

		// Delay the next frame rendering to free up CPU
		sdl.Delay(13)
	}
}
Example #26
0
File: in.go Project: Oralordos/Tank
func main() {
	sdl.Init(sdl.INIT_VIDEO)
	defer sdl.Quit()
	window, err := sdl.CreateWindow("Tank", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, windowWidth, windowHeight, 0)
	if err != nil {
		panic(err)
	}
	defer window.Destroy()

mainloop:
	for {
		for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
			switch event.(type) {
			case *sdl.QuitEvent:
				break mainloop
			}
		}
		windowSurface, _ := window.GetSurface()
		windowSurface.FillRect(nil, sdl.MapRGB(windowSurface.Format, 0, 0, 0))

		window.UpdateSurface()
		sdl.Delay(1000)
	}
}
Example #27
0
func main() {
	defaultConfig := config{
		Axes: map[string][3]int{
			strconv.Itoa(sdl.CONTROLLER_AXIS_LEFTX):  {0x4000, 0x7B, 0x7C}, // Arrow Left + Right
			strconv.Itoa(sdl.CONTROLLER_AXIS_LEFTY):  {0x4000, 0x7E, 0x7D}, // Arrow Up + Down
			strconv.Itoa(sdl.CONTROLLER_AXIS_RIGHTX): {0x4000, 0x00, 0x07}, // A + X
			strconv.Itoa(sdl.CONTROLLER_AXIS_RIGHTY): {0x4000, 0x01, 0x06}, // S + Z
		},
		Buttons: map[string]int{
			strconv.Itoa(sdl.CONTROLLER_BUTTON_DPAD_UP):       0X7E, // Up
			strconv.Itoa(sdl.CONTROLLER_BUTTON_DPAD_DOWN):     0X7D, // Down
			strconv.Itoa(sdl.CONTROLLER_BUTTON_DPAD_LEFT):     0x7B, // Left
			strconv.Itoa(sdl.CONTROLLER_BUTTON_DPAD_RIGHT):    0x7C, // Right
			strconv.Itoa(sdl.CONTROLLER_BUTTON_A):             0X06, // Z
			strconv.Itoa(sdl.CONTROLLER_BUTTON_B):             0x07, // X
			strconv.Itoa(sdl.CONTROLLER_BUTTON_X):             0x00, // A
			strconv.Itoa(sdl.CONTROLLER_BUTTON_Y):             0x01, // S
			strconv.Itoa(sdl.CONTROLLER_BUTTON_LEFTSHOULDER):  0x0C, // Q
			strconv.Itoa(sdl.CONTROLLER_BUTTON_RIGHTSHOULDER): 0x0D, // W
			strconv.Itoa(sdl.CONTROLLER_BUTTON_LEFTSTICK):     0x38, // Shift
			strconv.Itoa(sdl.CONTROLLER_BUTTON_RIGHTSTICK):    0x3B, // Ctrl
			strconv.Itoa(sdl.CONTROLLER_BUTTON_BACK):          0x33, // Delete
			strconv.Itoa(sdl.CONTROLLER_BUTTON_GUIDE):         0x30, // Tab
			strconv.Itoa(sdl.CONTROLLER_BUTTON_START):         0x24, // Return
		},
		Triggers: map[string][2]int{
			strconv.Itoa(sdl.CONTROLLER_AXIS_TRIGGERLEFT):  {0x4000, 0x0E}, // E
			strconv.Itoa(sdl.CONTROLLER_AXIS_TRIGGERRIGHT): {0x4000, 0x0F}, // R
		},
	}

	conf := newConfig()
	if file, err := os.Open("config.json"); err != nil {
		f, err := os.Create("config.json")
		if err != nil {
			log.Fatal(err)
		}
		defer f.Close()

		conf = defaultConfig

		buf, err := json.MarshalIndent(conf, "", "    ")
		if err != nil {
			log.Fatal(err)
		}
		f.Write(buf)
	} else {
		err := json.NewDecoder(file).Decode(&conf)
		if err != nil {
			os.Remove("config.json")
			log.Fatal(err)
		}

		file.Close()
	}

	controller, err := newController(conf)
	if err != nil {
		log.Fatal(err)
	}
	defer controller.close()

	err = sdl.Init((1 << 14) | sdl.INIT_GAMECONTROLLER)
	if err != nil {
		log.Fatal(err)
	}
	defer sdl.Quit()

	sdlController := sdl.GameControllerOpen(0)
	if sdlController == nil {
		log.Fatal(sdl.GetError())
	}
	defer sdlController.Close()

	for {
		for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
			switch e := e.(type) {
			case *sdl.ControllerButtonEvent:
				if e.State == 0 {
					controller.Buttons[int(e.Button)].handleUp()
				} else {
					controller.Buttons[int(e.Button)].handleDown()
				}
			case *sdl.ControllerAxisEvent:
				if e.Axis == sdl.CONTROLLER_AXIS_TRIGGERLEFT || e.Axis == sdl.CONTROLLER_AXIS_TRIGGERRIGHT {
					controller.Triggers[int(e.Axis)].handleEvent(int(e.Value))
				} else {
					controller.Axes[int(e.Axis)].handleEvent(int(e.Value))
				}
			}
		}
		sdl.Delay(10)
	}
}
Example #28
0
func main() {
	var window *sdl.Window
	var renderer *sdl.Renderer
	var event sdl.Event
	var running bool

	window = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		winWidth, winHeight, sdl.WINDOW_SHOWN)
	if window == nil {
		fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", sdl.GetError())
		os.Exit(1)
	}

	renderer = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
	if renderer == nil {
		fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", sdl.GetError())
		os.Exit(2)
	}

	var peepArray []sdl.Event = make([]sdl.Event, 2)
	peepArray[0] = &sdl.UserEvent{sdl.USEREVENT, sdl.GetTicks(), window.GetID(), 1331, nil, nil}
	peepArray[1] = &sdl.UserEvent{sdl.USEREVENT, sdl.GetTicks(), window.GetID(), 10101, nil, nil}

	running = true
	lastPushTime := sdl.GetTicks()
	for running {
		if lastPushTime+pushTime < sdl.GetTicks() {
			lastPushTime = sdl.GetTicks()
			sdl.PumpEvents()
			numEventsHandled := sdl.PeepEvents(peepArray, sdl.ADDEVENT, sdl.FIRSTEVENT, sdl.LASTEVENT)
			if numEventsHandled < 0 {
				fmt.Printf("PeepEvents error: %s\n", sdl.GetError())
			} else {
				fmt.Printf("Successful push of %d events\n", numEventsHandled)
			}
		}

		for event = sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
			switch t := event.(type) {
			case *sdl.QuitEvent:
				running = false
			case *sdl.MouseMotionEvent:
				fmt.Printf("[%d ms] MouseMotion\ttype:%d\tid:%d\tx:%d\ty:%d\txrel:%d\tyrel:%d\n",
					t.Timestamp, t.Type, t.Which, t.X, t.Y, t.XRel, t.YRel)
			case *sdl.MouseButtonEvent:
				fmt.Printf("[%d ms] MouseButton\ttype:%d\tid:%d\tx:%d\ty:%d\tbutton:%d\tstate:%d\n",
					t.Timestamp, t.Type, t.Which, t.X, t.Y, t.Button, t.State)
			case *sdl.MouseWheelEvent:
				fmt.Printf("[%d ms] MouseWheel\ttype:%d\tid:%d\tx:%d\ty:%d\n",
					t.Timestamp, t.Type, t.Which, t.X, t.Y)
			case *sdl.KeyUpEvent:
				fmt.Printf("[%d ms] Keyboard\ttype:%d\tsym:%c\tmodifiers:%d\tstate:%d\trepeat:%d\n",
					t.Timestamp, t.Type, t.Keysym.Sym, t.Keysym.Mod, t.State, t.Repeat)
			case *sdl.UserEvent:
				fmt.Printf("[%d ms] UserEvent\tcode:%d\n", t.Timestamp, t.Code)
			}
		}
		sdl.Delay(1000 / 30)
	}

	renderer.Destroy()
	window.Destroy()
}
Example #29
0
func (w Window) Refresh() {
	sdl.Delay(1)
	sdl.GL_SwapWindow(w.windowSDL)

}
Example #30
0
// Initialize
func main() {
	var window *sdl.Window
	var renderer *sdl.Renderer
	var err error

	window, err = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
		int(winWidth), int(winHeight), sdl.WINDOW_SHOWN)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", err)
		os.Exit(1)
	}
	defer window.Destroy()

	renderer, err = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", err)
		os.Exit(2)
	}
	defer renderer.Destroy()

	tilesetImg, err := img.Load("assets/textures/ts1.png")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to load PNG: %s\n", err)
		os.Exit(3)
	}
	defer tilesetImg.Free()

	tilesetTxt, err := renderer.CreateTextureFromSurface(tilesetImg)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create texture: %s\n", err)
		os.Exit(4)
	}
	defer tilesetTxt.Destroy()

	spritesheetImg, err := img.Load("assets/textures/actor3.png")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to load PNG: %s\n", err)
		os.Exit(3)
	}
	defer spritesheetImg.Free()

	spritesheetTxt, err := renderer.CreateTextureFromSurface(spritesheetImg)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to create texture: %s\n", err)
		os.Exit(4)
	}
	defer spritesheetTxt.Destroy()

	err = ttf.Init()
	font, err = ttf.OpenFont("assets/textures/PressStart2P.ttf", 18)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to load font file: %s\n", err)
		os.Exit(6)
	}

	if err := sdl.Init(sdl.INIT_AUDIO); err != nil {
		fmt.Fprintf(os.Stderr, "Failed to load music file: %s\n", err)
		os.Exit(7)
	}

	if err := mix.Init(mix.INIT_MP3); err != nil {
		fmt.Fprintf(os.Stderr, "Failed to load music file: %s\n", err)
		os.Exit(8)
	}

	currScene = &eng.Scene{
		Window:     eng.Window{winWidth, winHeight},
		StartTime:  time.Now(),
		Cam:        eng.Camera{0, 0},
		EnemyCount: 99,
		TsTxt:      tilesetTxt,
		SsTxt:      spritesheetTxt,
		Font:       font,
	}

	currScene.Init(renderer)

	var running bool = true

	for running {
		then := time.Now()
		running = catchEvents()
		//currScene.Update()
		currScene.Render(renderer)

		dur := time.Since(then)
		sdl.Delay(40 - uint32(dur.Nanoseconds()/1000000))
		currScene.FrameCounter++
	}
}