示例#1
0
func main() {

	flag.Parse()

	var done bool
	var keys []uint8

	sdl.Init(sdl.INIT_VIDEO)

	var screen = sdl.SetVideoMode(640, 480, 16, sdl.OPENGL|sdl.RESIZABLE)

	if screen == nil {
		sdl.Quit()
		panic("Couldn't set 300x300 GL video mode: " + sdl.GetError() + "\n")
	}

	sdl.WM_SetCaption("Gears", "gears")

	init_()
	reshape(int(screen.W), int(screen.H))
	done = false
	for !done {
		var event sdl.Event

		idle()
		for event.Poll() {
			switch event.Type {
			case sdl.VIDEORESIZE:
				screen = sdl.SetVideoMode(int(event.Resize().W), int(event.Resize().H), 16,
					sdl.OPENGL|sdl.RESIZABLE)
				if screen != nil {
					reshape(int(screen.W), int(screen.H))
				} else {
					panic("we couldn't set the new video mode??")
				}
				break

			case sdl.QUIT:
				done = true
				break
			}
		}
		keys = sdl.GetKeyState()

		handleKeyPress(keys)
		if keys[sdl.K_ESCAPE] != 0 {
			done = true
		}

		draw()
	}
	sdl.Quit()
	return

}
示例#2
0
文件: gui.go 项目: cjyar/Go-SDL
func (win *window) eventLoop() {
	if win.ec == nil {
		win.ec = make(chan interface{})
	}

eloop:
	for win.events {
		var ev sdl.Event
		for ev.Poll() {
			switch ev.Type {
			case sdl.KEYUP:
				key := ev.Keyboard().Keysym.Sym
				win.ec <- gui.KeyEvent{int(-key)}
			case sdl.KEYDOWN:
				key := ev.Keyboard().Keysym.Sym
				win.ec <- gui.KeyEvent{int(key)}
			case sdl.MOUSEMOTION:
				m := ev.MouseMotion()
				win.ec <- gui.MouseEvent{
					Buttons: int(m.State),
					Loc:     image.Pt(int(m.X), int(m.Y)),
					Nsec:    time.Nanoseconds(),
				}
			case sdl.MOUSEBUTTONUP, sdl.MOUSEBUTTONDOWN:
				m := ev.MouseButton()
				win.ec <- gui.MouseEvent{
					Buttons: int(sdl.GetMouseState(nil, nil)),
					Loc:     image.Pt(int(m.X), int(m.Y)),
					Nsec:    time.Nanoseconds(),
				}
			case sdl.VIDEORESIZE:
				r := ev.Resize()
				win.ec <- gui.ConfigEvent{image.Config{
					win.Screen().ColorModel(),
					int(r.W),
					int(r.H),
				}}
			case sdl.QUIT:
				break eloop
			}
		}
	}

	close(win.ec)
}
示例#3
0
func main() {

	flag.Parse()

	var done bool
	var keys []uint8

	sdl.Init(sdl.INIT_VIDEO)

	var screen = sdl.SetVideoMode(300, 300, 16, sdl.OPENGL|sdl.RESIZABLE)

	if screen == nil {
		sdl.Quit()
		panic("Couldn't set 300x300 GL video mode: " + sdl.GetError() + "\n")
	}

	sdl.WM_SetCaption("Gears", "gears")

	init_()
	reshape(int(screen.W), int(screen.H))
	done = false
	for !done {
		var event sdl.Event

		idle()
		for event.Poll() {
			switch event.Type {
			case sdl.VIDEORESIZE:
				screen = sdl.SetVideoMode(int(event.Resize().W), int(event.Resize().H), 16,
					sdl.OPENGL|sdl.RESIZABLE)
				if screen != nil {
					reshape(int(screen.W), int(screen.H))
				} else {
					panic("we couldn't set the new video mode??")
				}
				break

			case sdl.QUIT:
				done = true
				break
			}
		}
		keys = sdl.GetKeyState()

		if keys[sdl.K_ESCAPE] != 0 {
			done = true
		}
		if keys[sdl.K_UP] != 0 {
			view_rotx += 5.0
		}
		if keys[sdl.K_DOWN] != 0 {
			view_rotx -= 5.0
		}
		if keys[sdl.K_LEFT] != 0 {
			view_roty += 5.0
		}
		if keys[sdl.K_RIGHT] != 0 {
			view_roty -= 5.0
		}
		if keys[sdl.K_z] != 0 {
			if (sdl.GetModState() & sdl.KMOD_RSHIFT) != 0 {
				view_rotz -= 5.0
			} else {
				view_rotz += 5.0
			}
		}

		draw()
	}
	sdl.Quit()
	return

}