func HandleDrawing() {
for Running {
for Background == nil {
sdl.Delay(100)
}
DrawBackground()
for _, drawable := range Drawables {
drawable.Draw()
}
Player.Draw() // separate so it's always on top
DrawScore()
DrawShieldIcons()
if GameOver {
DrawGameOver()
} else if Paused {
DrawPaused()
} else if GameWin {
DrawWin()
}
Screen.Flip()
sdl.Delay(24)
FrameTicks++
}
}
func RefreshCells(ch chan func()) {
var targetp *[][]bool
var target [][]bool
var l []bool
var alive bool
var x, y, count int
for Running && !Paused {
targetp = MakeCells()
target = *targetp
for x, l = range *Cells {
for y, alive = range l {
DrawCell(x, y, alive)
count = Count(x, y)
target[x][y] = rule[alive][count]
}
}
select {
case fun := <-ch:
fun()
default:
break
}
Screen.Flip()
sdl.Delay(Delay)
Cells = targetp
}
}
func HandleEvents() {
ch := make(chan func(), 10)
for Running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
Running = false
case *sdl.MouseButtonEvent:
if e.State == 1 {
x, y := int(e.X), int(e.Y)
switch e.Button {
case 1:
queue(ch, func() { ToggleCell(x/Scale, y/Scale) })
case 2:
queue(ch, func() { AddAcorn(x/Scale, y/Scale) })
case 3:
queue(ch, func() { AddGlider(x/Scale, y/Scale) })
}
}
case *sdl.KeyboardEvent:
if e.State == 1 {
switch e.Keysym.Sym {
case sdl.K_ESCAPE:
Running = false
case sdl.K_SPACE, sdl.K_p:
TogglePause(ch)
}
}
}
}
sdl.Delay(25)
}
}
func (world *World) HandleEvents() {
for world.running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
world.running = false
case *sdl.KeyboardEvent:
switch sdl.GetKeyName(sdl.Key(e.Keysym.Sym)) {
case "p":
world.pause = !world.pause
case "j":
world.Paddle.Go(0, world.Paddle.vector.Y+world.Paddle.speed)
case "k":
world.Paddle.Go(0, world.Paddle.vector.Y-world.Paddle.speed)
case "q":
world.running = false
}
case *sdl.MouseMotionEvent:
world.Paddle.Go(float64(e.X), float64(e.Y))
}
}
sdl.Delay(25)
}
}
func (world *World) Run() {
for world.running {
if !world.pause {
world.Update()
world.Draw()
}
sdl.Delay(25)
}
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
if ttf.Init() != 0 {
panic(sdl.GetError())
}
var screen = sdl.SetVideoMode(1400, 300, 32, 0)
var video_info = sdl.GetVideoInfo()
println("HW_available = ", video_info.HW_available)
println("WM_available = ", video_info.WM_available)
println("Video_mem = ", video_info.Video_mem, "kb")
sdl.EnableUNICODE(1)
font := ttf.OpenFont("euler.otf", 24)
if font == nil {
panic(sdl.GetError())
}
black := sdl.Color{0, 0, 0, 0}
text := ttf.RenderUTF8_Blended(font, "!!", black)
fmt.Println(text.Bounds())
sdl.WM_SetCaption("Go-SDL SDL Test", "")
running := true
num := NewNumberShower("b+c", "", "euler.otf", 24, 0)
denom := NewNumberShower("a", "", "euler.otf", 24, 0)
testy := NewFractionShower(num, denom, "euler.otf", 24, 0)
testy.CursorPosition = 3
testy.RenderEmptyIndextxt = true
str := ""
for running {
switch e := sdl.PollEvent().(type) {
case *sdl.QuitEvent:
running = false
break
case *sdl.KeyboardEvent:
if e.State == 1 {
str = handlekeypress2(e.Keysym, str)
fmt.Println("rendering string", str)
text = ttf.RenderUTF8_Blended(font, str, black)
}
}
screen.FillRect(nil, 0xFFFFFF)
screen.Blit(&sdl.Rect{23, 0, 0, 0}, testy.Render(), nil)
screen.Flip()
sdl.Delay(5)
}
}
func HandleActors() {
for Running {
if !GameWin && !Paused && !GameOver {
ActorTicks++
for _, actor := range Actors {
actor.Act()
}
}
sdl.Delay(25)
}
}
func (manager *FPSmanager) FramerateDelay() {
var current_ticks, target_ticks, the_delay uint32
// next frame
manager.framecount++
// get/calc ticks
current_ticks = sdl.GetTicks()
target_ticks = manager.lastticks + uint32(float32(manager.framecount)*manager.rateticks)
if current_ticks <= target_ticks {
the_delay = target_ticks - current_ticks
sdl.Delay(the_delay)
} else {
manager.framecount = 0
manager.lastticks = sdl.GetTicks()
}
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
var screen = sdl.SetVideoMode(640, 480, 32, 0)
if screen == nil {
panic(sdl.GetError())
}
sdl.WM_SetCaption("Template", "")
for true {
e := &sdl.Event{}
for e.Poll() {
switch e.Type {
case sdl.QUIT:
return
default:
}
}
screen.FillRect(nil, 0x000000)
//screen.Blit(&sdl.Rect{x,y, 0, 0}, image, nil)
screen.Flip()
sdl.Delay(25)
}
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
if ttf.Init() != 0 {
panic(sdl.GetError())
}
if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT,
mixer.DEFAULT_CHANNELS, 4096) != 0 {
panic(sdl.GetError())
}
var screen = sdl.SetVideoMode(640, 480, 32, sdl.RESIZABLE)
if screen == nil {
panic(sdl.GetError())
}
var video_info = sdl.GetVideoInfo()
println("HW_available = ", video_info.HW_available)
println("WM_available = ", video_info.WM_available)
println("Video_mem = ", video_info.Video_mem, "kb")
sdl.EnableUNICODE(1)
sdl.WM_SetCaption("Go-SDL SDL Test", "")
image := sdl.Load("test.png")
if image == nil {
panic(sdl.GetError())
}
sdl.WM_SetIcon(image, nil)
running := true
font := ttf.OpenFont("Fontin Sans.otf", 72)
if font == nil {
panic(sdl.GetError())
}
font.SetStyle(ttf.STYLE_UNDERLINE)
white := sdl.Color{255, 255, 255, 0}
text := ttf.RenderText_Blended(font, "Test (with music)", white)
music := mixer.LoadMUS("test.ogg")
sound := mixer.LoadWAV("sound.ogg")
if music == nil || sound == nil {
panic(sdl.GetError())
}
music.PlayMusic(-1)
if sdl.GetKeyName(270) != "[+]" {
panic("GetKeyName broken")
}
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)
for running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
running = false
break
case *sdl.KeyboardEvent:
println("")
println(e.Keysym.Sym, ": ", sdl.GetKeyName(sdl.Key(e.Keysym.Sym)))
if e.Keysym.Sym == 27 {
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 Which: %02x State: %02x Pad: %02x\n", e.Type, e.Which, 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)
sound.PlayChannel(-1, 0)
}
case *sdl.ResizeEvent:
println("resize screen ", e.W, e.H)
screen = sdl.SetVideoMode(int(e.W), int(e.H), 32, sdl.RESIZABLE)
if screen == nil {
panic(sdl.GetError())
}
}
}
screen.FillRect(nil, 0x302019)
screen.Blit(&sdl.Rect{0, 0, 0, 0}, text, nil)
loop := true
for loop {
select {
case p := <-draw:
screen.Blit(&sdl.Rect{int16(p.x), int16(p.y), 0, 0}, image, nil)
case <-out:
default:
loop = false
}
}
var p Point
sdl.GetMouseState(&p.x, &p.y)
worm_in <- p
screen.Flip()
sdl.Delay(25)
}
image.Free()
music.Free()
font.Close()
ttf.Quit()
sdl.Quit()
}
func main() {
sdl.Init(sdl.INIT_VIDEO)
var screen = sdl.SetVideoMode(640, 480, 32, sdl.OPENGL)
if screen == nil {
panic("sdl error")
}
if gl.Init() != 0 {
panic("gl error")
}
gl.MatrixMode(gl.PROJECTION)
gl.Viewport(0, 0, int(screen.W), int(screen.H))
gl.LoadIdentity()
gl.Ortho(-5, 5, -2.5, 2.5, -1.0, 1.0)
gl.ClearColor(0, 0, 0, 0)
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.PolygonMode(gl.FRONT_AND_BACK, gl.LINE)
tess := glu.NewTess()
tess.SetBeginCallback(tessBeginHandler)
tess.SetVertexCallback(tessVertexHandler)
tess.SetEndCallback(tessEndHandler)
tess.SetErrorCallback(tessErrorHandler)
tess.SetEdgeFlagCallback(tessEdgeFlagHandler)
tess.SetCombineCallback(tessCombineHandler)
tess.Normal(0, 0, 1)
var running = true
for running {
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Translated(-2.5, 0, 0)
tess.BeginPolygon(nil)
tess.BeginContour()
for v := range OuterContour {
tess.Vertex(OuterContour[v], &OuterContour[v])
}
tess.EndContour()
tess.BeginContour()
for v := range InnerContour {
tess.Vertex(InnerContour[v], &InnerContour[v])
}
tess.EndContour()
tess.EndPolygon()
gl.Translated(5, 0, 0)
tess.BeginPolygon(nil)
tess.BeginContour()
for v := range StarContour {
tess.Vertex(StarContour[v], &StarContour[v])
}
tess.EndContour()
tess.EndPolygon()
sdl.GL_SwapBuffers()
sdl.Delay(25)
}
tess.Delete()
sdl.Quit()
}
func main() {
if sdl.Init(sdl.INIT_VIDEO) != 0 {
panic(sdl.GetError())
}
v_info := sdl.GetVideoInfo()
var screen = sdl.SetVideoMode(
int(v_info.Current_w),
int(v_info.Current_h),
32,
sdl.HWSURFACE|sdl.DOUBLEBUF)
rows = v_info.Current_w / SIZE
columns = v_info.Current_h / SIZE
if v_info.Current_w%SIZE != 0 {
rows += 1
}
if v_info.Current_h%SIZE != 0 {
columns += 1
}
// Initialize our world
world = make([][]Field, rows)
for i := range world {
world[i] = make([]Field, columns)
for j := range world[i] {
world[i][j].X = i
world[i][j].Y = j
world[i][j].T = OPEN
world[i][j].lsize = 0
world[i][j].rsize = 0
world[i][j].o = false
world[i][j].c = false
}
}
// Once we're done, free screen object and quit sdl.
defer sdl.Quit()
defer screen.Free()
if screen == nil {
panic(sdl.GetError())
}
// Set window title
sdl.WM_SetCaption("A* algorithm demo", "")
// Give the screen an initially and update display
screen.FillRect(nil, OPEN)
screen.Flip()
/* Draw the grid on our display */
drawGrid(screen)
/* Create the different channels we need */
paint_chan = make(chan *Paint, 2000)
read_field = make(chan *Field)
field_chan = make(chan *Field)
// Fillbox runs asynchronously, start it here
go initFillBox(screen)
// Getneighbours process runs all the time, starts here.
go GetNeighbours(world, read_field)
for true {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
return
case *sdl.KeyboardEvent:
if e.Keysym.Sym == sdl.K_ESCAPE {
/* Quit when escape is pressed */
return
} else if e.Keysym.Sym == sdl.K_r &&
(e.Keysym.Mod&sdl.KMOD_LCTRL) != 0 &&
(e.Keysym.Mod&sdl.KMOD_LSHIFT) != 0 {
resetComplete()
} else if e.Keysym.Sym == sdl.K_r && (e.Keysym.Mod&sdl.KMOD_LCTRL) != 0 {
resetAllPaths()
} else if e.Keysym.Sym == sdl.K_r {
resetPaths()
} else if e.Keysym.Sym == sdl.K_RETURN {
/* If RETURN is pressed, run pathfinding */
if start != nil && goal != nil {
//resetPaths();
go aStar(world, screen)
}
}
case *sdl.MouseMotionEvent:
if e.State == sdl.BUTTON_LEFT || e.State == sdl.BUTTON_WHEELUP {
drawMouseMotion(world, screen, e)
}
case *sdl.MouseButtonEvent:
if e.Type == sdl.MOUSEBUTTONDOWN {
state := sdl.GetKeyState()
if e.Button == sdl.BUTTON_LEFT {
r := getRect(e)
if state[sdl.K_s] == 1 {
// Left mouse button with s, set new start point
if start == nil {
start = &world[int(r.X)/SIZE][int(r.Y)/SIZE]
fillBox(start, START)
} else {
fillBox(start, OPEN)
start = &world[int(r.X)/SIZE][int(r.Y)/SIZE]
fillBox(start, START)
}
} else if state[sdl.K_g] == 1 {
// Left mouse button with g, set new goal point
if goal == nil {
goal = &world[int(r.X)/SIZE][int(r.Y)/SIZE]
fillBox(goal, GOAL)
} else {
fillBox(goal, OPEN)
goal = &world[int(r.X)/SIZE][int(r.Y)/SIZE]
fillBox(goal, GOAL)
}
} else {
// No relevant modifiers were pressed, color the field.
var f *Field = &world[(r.X / SIZE)][(r.Y / SIZE)]
//fmt.Println("Click on", f);
if f.T == OPEN {
fillBox(f, WALL)
} else {
fillBox(f, OPEN)
}
}
}
}
default:
}
}
// Delay for 15 milliseconds
sdl.Delay(30)
screen.Flip()
}
fmt.Println("Exiting")
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
image0 := sdl.Load(*file)
if image0 == nil {
panic(sdl.GetError())
}
factorx := float32(1)
factory := float32(1)
dstW := uint32(float32(image0.W) * factorx)
dstH := uint32(float32(image0.H) * factory)
screen := sdl.SetVideoMode(int(dstW), int(dstH), 32, sdl.DOUBLEBUF)
if screen == nil {
panic(sdl.GetError())
}
image := sdl.DisplayFormat(image0)
format := image.Format
err := initAndPrepCL()
check(err)
order := cl.RGBA
elemSize := 4
src, err := c.NewImage2D(cl.MEM_READ_ONLY|cl.MEM_USE_HOST_PTR, order, cl.UNSIGNED_INT8,
uint32(image.W), uint32(image.H), uint32(image.Pitch), image.Pixels)
check(err)
dst, err := c.NewImage2D(cl.MEM_WRITE_ONLY, order, cl.UNSIGNED_INT8,
dstW, dstH, 0, nil)
check(err)
angle := float32(0)
for running := true; running; angle += 0.001 {
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch ev := e.(type) {
case *sdl.QuitEvent:
running = false
break
case *sdl.KeyboardEvent:
if ev.Keysym.Sym == sdl.K_ESCAPE {
running = false
break
}
}
}
//pixels, err := imageCall(dstW, dstH, "image_recscale", src, dst, 1/factorx, 1/factory)
//pixels, err := imageCall(dstW, dstH, "image_rotate", src, dst, angle)
m := mul(S(1.2, 1.2), R(angle))
off := []float32{float32(dstW / 2), float32(dstH / 2)}
pixels, err := imageCall(dstW, dstH, "image_affine2", src, dst,
[]float32(m[0:2]), []float32(m[2:4]),
off, off)
check(err)
news := sdl.CreateRGBSurfaceFrom(pixels,
int(dstW), int(dstH), int(elemSize*8), int(elemSize)*int(dstW),
format.Rmask, format.Gmask, format.Bmask, format.Amask,
)
if news == nil {
log.Fatal(sdl.GetError())
}
screen.FillRect(nil, 0)
screen.Blit(&sdl.Rect{0, 0, 0, 0}, news, nil)
screen.Flip()
sdl.Delay(25)
}
}
func sleep(delay uint32) { sdl.Delay(delay) }
func HandleEvents() {
for Running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
Running = false
case *sdl.MouseMotionEvent:
MouseMotion(e)
case *sdl.MouseButtonEvent:
switch e.Type {
case sdl.MOUSEBUTTONDOWN:
MouseDown(e)
case sdl.MOUSEBUTTONUP:
MouseUp(e)
}
}
}
keys := sdl.GetKeyState()
for n, i := range keys {
if i == 1 {
if Paused {
switch n {
case sdl.K_RETURN, sdl.K_SPACE:
Paused = false
case sdl.K_q:
Running = false
}
} else if GameOver || GameWin {
switch n {
case sdl.K_RETURN, sdl.K_SPACE:
Player.Reset()
case sdl.K_q:
Running = false
}
} else {
switch n {
case sdl.K_LSHIFT, sdl.K_RSHIFT, sdl.K_LCTRL, sdl.K_RCTRL:
Player.FireWeapon()
case sdl.K_0:
Player.weapon = Player.weapons['0']
case sdl.K_1:
Player.weapon = Player.weapons['1']
case sdl.K_2:
Player.weapon = Player.weapons['2']
case sdl.K_3:
Player.weapon = Player.weapons['3']
case sdl.K_5:
Player.weapon = Player.weapons['5']
case sdl.K_9:
Player.weapon = Player.weapons['9']
case sdl.K_MINUS:
Player.weapon = Player.weapons['-']
case sdl.K_a, sdl.K_LEFT:
Player.GoLeft()
case sdl.K_d, sdl.K_RIGHT:
Player.GoRight()
case sdl.K_s, sdl.K_DOWN:
Player.GoDown()
case sdl.K_w, sdl.K_UP:
Player.GoUp()
case sdl.K_ESCAPE:
Running = false
case sdl.K_p:
Paused = true
}
}
}
}
sdl.Delay(25)
}
}