Exemplo n.º 1
0
func initSound() error {
	if code := sdl.Init(sdl.INIT_AUDIO); code == -1 {
		return fmt.Errorf("Could not init audio: %v", sdl.GetError())
	}
	var (
		freq     int    = mixer.DEFAULT_FREQUENCY
		format   uint16 = mixer.DEFAULT_FORMAT
		channels int    = mixer.DEFAULT_CHANNELS
	)
	if mixer.OpenAudio(freq, format, channels, 4096) != 0 {
		return fmt.Errorf("Could not init mixer: %v", sdl.GetError())
	}
	return nil
}
Exemplo n.º 2
0
func main() {
	if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
		log.Fatal(sdl.GetError())
	}

	if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT,
		mixer.DEFAULT_CHANNELS, 4096) != 0 {
		log.Fatal(sdl.GetError())
	}

	window, rend := sdl.CreateWindowAndRenderer(640, 480, sdl.WINDOW_SHOWN)

	if window == nil {
		log.Println("nil window")
		log.Fatal(sdl.GetError())
	}

	if rend == nil {
		log.Println("nil rend")
		log.Fatal(sdl.GetError())
	}

	window.SetTitle("First SDL2 Window")

	image := sdl.Load("./test.png")

	if image == nil {
		log.Println("nil image")
		log.Fatal(sdl.GetError())
	}

	window.SetIcon(image)

	tex := sdl.CreateTextureFromSurface(rend, image)

	running := true

	worm_in := make(chan Point)
	draw := make(chan Point, 64)

	var out chan Point
	var in chan Point

	out = worm_in

	in = out
	out = make(chan Point)
	go worm(in, out, draw)

	// ticker := time.NewTicker(time.Second / 50) // 50 Hz

	rend.SetDrawColor(sdl.Color{0x30, 0x20, 0x19, 0xFF, 0x00})
	rend.FillRect(nil)
	rend.Copy(tex, nil, nil)
	rend.Present()

	window.ShowSimpleMessageBox(sdl.MESSAGEBOX_INFORMATION, "Test Message", "SDL2 supports message boxes!")

	for running {
		select {
		/*
					case <-ticker.C:
						rend.SetDrawColor(0x30, 0x20, 0x19, 0xFF)
						rend.FillRect(nil)
			            if sdl.GetError() != "" {
			                log.Fatalf(sdl.GetError())
			            }

					loop:
						for {
							select {
							case p := <-draw:
								rend.Clear()
								rend.Copy(tex, &sdl.Rect{int16(p.x), int16(p.y), 0, 0}, nil)

							case <-out:
							default:
								break loop
							}
						}

						var p Point
						sdl.GetMouseState(&p.x, &p.y)
						worm_in <- p

						rend.Present()
		*/
		case _event := <-sdl.Events:
			switch e := _event.(type) {
			case sdl.QuitEvent:
				running = false
			case sdl.KeyboardEvent:
				println("")
				println(e.Keysym.Sym, ": ", sdl.GetKeyName(sdl.Key(e.Keysym.Sym)))

				if e.Keysym.Sym == sdl.K_ESCAPE {
					running = false
				}

				fmt.Printf("%04x ", e.Type)

				for i := 0; i < len(e.Pad0); i++ {
					fmt.Printf("%02x ", e.Pad0[i])
				}
				println()

				fmt.Printf("Type: %02x State: %02x Pad: %02x\n", e.Type, e.State, e.Pad0[0])
				fmt.Printf("Scancode: %02x Sym: %08x Mod: %04x Unicode: %04x\n", e.Keysym.Scancode, e.Keysym.Sym, e.Keysym.Mod, e.Keysym.Unicode)

			case sdl.MouseButtonEvent:
				if e.Type == sdl.MOUSEBUTTONDOWN {
					println("Click:", e.X, e.Y)
					in = out
					out = make(chan Point)
					go worm(in, out, draw)
				}
			}
		}
	}

	image.Free()
	tex.Destroy()
	rend.Destroy()
	window.Destroy()
	sdl.Quit()
}