func main() {
if sdl.Init(sdl.INIT_VIDEO) < 0 {
fmt.Printf(
"Video initialization failed: %s\n",
sdl.GetError())
quit_tutorial(1)
}
info := sdl.GetVideoInfo()
if info == nil {
fmt.Printf(
"Video query failed: %s\n",
sdl.GetError())
quit_tutorial(1)
}
width := 640
height := 480
bpp := int(info.Vfmt.BitsPerPixel)
sdl.GL_SetAttribute(sdl.GL_RED_SIZE, 5)
sdl.GL_SetAttribute(sdl.GL_GREEN_SIZE, 5)
sdl.GL_SetAttribute(sdl.GL_BLUE_SIZE, 5)
sdl.GL_SetAttribute(sdl.GL_DEPTH_SIZE, 16)
sdl.GL_SetAttribute(sdl.GL_DOUBLEBUFFER, 1)
flags := uint32(sdl.OPENGL | sdl.FULLSCREEN)
if sdl.SetVideoMode(width, height, bpp, flags) == nil {
fmt.Printf("Video mode set failed: %s\n", sdl.GetError())
quit_tutorial(1)
}
setup_opengl(width, height)
for {
process_events()
draw_screen()
}
os.Exit(0)
}
func main() {
runtime.LockOSThread()
flag.Parse()
sdl.Init(sdl.INIT_VIDEO)
defer sdl.Quit()
sdl.GL_SetAttribute(sdl.GL_SWAP_CONTROL, 1)
if sdl.SetVideoMode(640, 480, 32, sdl.OPENGL) == nil {
panic("sdl error")
}
sdl.WM_SetCaption("Gotris", "Gotris")
sdl.EnableKeyRepeat(250, 45)
gl.Enable(gl.TEXTURE_2D)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Viewport(0, 0, 640, 480)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, 640, 480, 0, -1, 1)
gl.ClearColor(0, 0, 0, 0)
//-----------------------------------------------------------------------------
font, err := LoadFontFromFile("dejavu.font")
if err != nil {
panic(err)
}
rand.Seed(int64(sdl.GetTicks()))
gs := NewGameSession(*initLevel, font)
lastTime := sdl.GetTicks()
ticker := time.NewTicker(10 * time.Millisecond)
stop := make(chan byte, 1)
go func() {
for {
switch e := (<-sdl.Events).(type) {
case sdl.QuitEvent:
stop <- 0
case sdl.KeyboardEvent:
if e.Type == sdl.KEYDOWN {
running := gs.HandleKey(e.Keysym.Sym)
if !running {
stop <- 0
}
gs.update <- 0
}
}
}
}()
loop:
for {
select {
case <-ticker.C:
gs.update <- 0
case <-gs.update:
now := sdl.GetTicks()
delta := now - lastTime
lastTime = now
gs.Update(delta)
gl.Clear(gl.COLOR_BUFFER_BIT)
font.Draw(5, 5, fmt.Sprintf("Level: %d | Score: %d", gs.Level, gs.Score))
gs.Draw()
gl.Color3ub(255, 255, 255)
sdl.GL_SwapBuffers()
case <-stop:
break loop
}
}
}