func main() {
runtime.LockOSThread()
flag.Parse()
err := sdl.Init(sdl.INIT_EVERYTHING)
ck(err)
defer sdl.Quit()
sdl.GLSetAttribute(sdl.GL_DOUBLEBUFFER, 1)
screen = NewDisplay(W, H, sdl.WINDOW_OPENGL|sdl.WINDOW_RESIZABLE)
ck(err)
screen.SetLogicalSize(W, H)
texture, err = screen.CreateTexture(sdl.PIXELFORMAT_ARGB8888, sdl.TEXTUREACCESS_STREAMING, W, H)
ck(err)
pixels = make([]uint32, W*H)
screen.SetTitle("Mandelbrot Set")
palette = make([]sdl.Color, seqlen)
buf := make([]int, W*H)
div = make([][]int, H)
for i := range div {
div[i] = buf[W*i:]
}
for i := range palette {
hsv := sdlcolor.HSV{math.Pi / 2, 1, float64(i) / float64(len(palette)) / 0.1}
palette[i] = sdl.ColorModel.Convert(hsv).(sdl.Color)
}
for run {
event()
draw()
}
}
func main() {
log.SetFlags(0)
runtime.LockOSThread()
flag.Parse()
err := sdl.Init(sdl.INIT_VIDEO | sdl.INIT_TIMER)
ck(err)
defer sdl.Quit()
sdl.SetHint(sdl.HINT_RENDER_SCALE_QUALITY, "best")
window, renderer, err = sdl.CreateWindowAndRenderer(W, H, sdl.WINDOW_RESIZABLE)
ck(err)
renderer.SetLogicalSize(W, H)
window.SetTitle("Cat Clock")
cat = loadImage(catb)
eyes = loadImage(eyesb)
hand.minute = makeTexture(ML*2, ML*2)
hand.hour = makeTexture(HL+5, HL+5)
for i := 0; i <= C; i++ {
tail = append(tail, renderTail(float64(i)*math.Pi/C))
eye = append(eye, renderEye(float64(i)*math.Pi/C))
}
renderer.SetTarget(nil)
ticker := time.Tick(FPS)
for {
event()
select {
case <-ticker:
update()
default:
}
draw()
}
}
func main() {
runtime.LockOSThread()
err := sdl.Init(sdl.INIT_EVERYTHING)
if err != nil {
log.Fatalln(err)
}
defer sdl.Quit()
window, renderer, err := sdl.CreateWindowAndRenderer(W, H, sdl.WINDOW_RESIZABLE)
if err != nil {
log.Fatalln(err)
}
texture, err := renderer.CreateTexture(sdl.PIXELFORMAT_ARGB8888, sdl.TEXTUREACCESS_STREAMING, W, H)
if err != nil {
log.Fatalln(err)
}
pixels := make([]uint32, W*H)
window.SetTitle("Gasket")
renderer.SetLogicalSize(W, H)
v := []Vec2{
{0.5, 0},
{0, 1},
{1, 1},
}
p := Vec2{0.5, 0.5}
loop:
for {
for {
ev := sdl.PollEvent()
if ev == nil {
break
}
switch ev := ev.(type) {
case sdl.QuitEvent:
break loop
case sdl.KeyDownEvent:
switch ev.Sym {
case sdl.K_ESCAPE:
break loop
}
}
}
r, g, b := rand.Intn(256), rand.Intn(256), rand.Intn(256)
n := rand.Intn(3)
q := v[n].Add(p).Scale(.5)
x := int(q[0] * W)
y := int(q[1] * H)
if y*W+x < len(pixels) {
pixels[y*W+x] = 255<<24 | uint32(r)<<16 | uint32(g)<<8 | uint32(b)
}
p = q
renderer.SetDrawColor(sdlcolor.Black)
renderer.Clear()
texture.Update(nil, pixels, W*4)
renderer.Copy(texture, nil, nil)
renderer.Present()
}
}