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doc: Update docs for Safari (#293)
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@ -6,13 +6,15 @@
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A simple SNES-like 2D game library in Go
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A simple SNES-like 2D game library in Go
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* [Web browsers (Chrome and Firefox on desktops)](https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers) (powered by [GopherJS](http://gopherjs.org/))
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* [Web browsers (Chrome, Firefox and Safari on desktops)](https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers) (powered by [GopherJS](http://gopherjs.org/))
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* [Windows](https://github.com/hajimehoshi/ebiten/wiki/Windows)
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* [Windows](https://github.com/hajimehoshi/ebiten/wiki/Windows)
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* [Mac OS X](https://github.com/hajimehoshi/ebiten/wiki/Mac-OS-X)
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* [Mac OS X](https://github.com/hajimehoshi/ebiten/wiki/Mac-OS-X)
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* [Linux](https://github.com/hajimehoshi/ebiten/wiki/Linux)
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* [Linux](https://github.com/hajimehoshi/ebiten/wiki/Linux)
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* [Android](https://github.com/hajimehoshi/ebiten/wiki/Android)
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* [Android](https://github.com/hajimehoshi/ebiten/wiki/Android)
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* [iOS](https://github.com/hajimehoshi/ebiten/wiki/iOS)
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* [iOS](https://github.com/hajimehoshi/ebiten/wiki/iOS)
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Note: Decoding Ogg/Vorbis and gamepads aren't available on Safari.
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## Features
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## Features
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* 2D Graphics (Geometry/Color matrix transformation, Various composition modes, Offscreen rendering)
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* 2D Graphics (Geometry/Color matrix transformation, Various composition modes, Offscreen rendering)
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@ -40,8 +40,9 @@
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<dt>Mobiles</dt>
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<dt>Mobiles</dt>
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<dd><a href="https://github.com/hajimehoshi/ebiten/wiki/Android">Android</a>, <a href="https://github.com/hajimehoshi/ebiten/wiki/iOS">iOS</a></dd>
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<dd><a href="https://github.com/hajimehoshi/ebiten/wiki/Android">Android</a>, <a href="https://github.com/hajimehoshi/ebiten/wiki/iOS">iOS</a></dd>
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<dt>Web browsers</dt>
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<dt>Web browsers</dt>
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<dd><a href="https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers">Chrome and Firefox on desktops</a> (powered by <a href="http://gopherjs.org/">GopherJS</a>)</dd>
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<dd><a href="https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers">Chrome, Firefox and Safari on desktops</a> (powered by <a href="http://gopherjs.org/">GopherJS</a>)</dd>
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</dl>
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</dl>
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<p><small>Note: Decoding Ogg/Vorbis and gamepads aren't available on Safari.</small></p>
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<h2 id="features">Features</h2>
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<h2 id="features">Features</h2>
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<dl class="dl-horizontal">
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<dl class="dl-horizontal">
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@ -51,6 +51,8 @@ func (s *Stream) Size() int64 {
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// Decode decodes Ogg/Vorbis data to playable stream.
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// Decode decodes Ogg/Vorbis data to playable stream.
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//
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//
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// The sample rate must be same as that of audio context.
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// The sample rate must be same as that of audio context.
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//
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// This function returns error on Safari.
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func Decode(context *audio.Context, src audio.ReadSeekCloser) (*Stream, error) {
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func Decode(context *audio.Context, src audio.ReadSeekCloser) (*Stream, error) {
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decoded, channelNum, sampleRate, err := decode(src)
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decoded, channelNum, sampleRate, err := decode(src)
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if err != nil {
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if err != nil {
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BIN
docs/examples/_resources/audio/game.ogg
Normal file
BIN
docs/examples/_resources/audio/game.ogg
Normal file
Binary file not shown.
Binary file not shown.
@ -9,6 +9,14 @@ Recorded by Mike Koenig
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Attribution 3.0: https://creativecommons.org/licenses/by/3.0/
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Attribution 3.0: https://creativecommons.org/licenses/by/3.0/
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```
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```
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## game.ogg
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```
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http://mart.kitunebi.com/music_act.html
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Harpie's Feather (ハルピュイアの羽) by Napi
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```
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## ragtime.ogg
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## ragtime.ogg
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```
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```
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@ -257,11 +257,11 @@ func main() {
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if err != nil {
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if err != nil {
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log.Fatal(err)
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log.Fatal(err)
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}
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}
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oggF, err := ebitenutil.OpenFile("_resources/audio/ragtime.ogg")
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oggF, err := ebitenutil.OpenFile("_resources/audio/game.ogg")
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if err != nil {
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if err != nil {
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log.Fatal(err)
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log.Fatal(err)
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}
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}
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const sampleRate = 22050
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const sampleRate = 44100
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const bytesPerSample = 4 // TODO: This should be defined in audio package
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const bytesPerSample = 4 // TODO: This should be defined in audio package
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audioContext, err = audio.NewContext(sampleRate)
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audioContext, err = audio.NewContext(sampleRate)
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if err != nil {
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if err != nil {
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@ -51,7 +51,8 @@ var (
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)
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)
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type Sprite struct {
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type Sprite struct {
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image *ebiten.Image
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imageWidth int
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imageHeight int
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x int
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x int
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y int
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y int
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vx int
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vx int
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@ -64,18 +65,15 @@ func (s *Sprite) Update() {
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if s.x < 0 {
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if s.x < 0 {
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s.x = -s.x
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s.x = -s.x
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s.vx = -s.vx
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s.vx = -s.vx
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} else if screenWidth <= s.x+s.imageWidth {
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s.x = 2*(screenWidth-s.imageWidth) - s.x
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s.vx = -s.vx
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}
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}
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if s.y < 0 {
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if s.y < 0 {
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s.y = -s.y
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s.y = -s.y
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s.vy = -s.vy
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s.vy = -s.vy
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}
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} else if screenHeight <= s.y+s.imageHeight {
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w, h := s.image.Size()
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s.y = 2*(screenHeight-s.imageHeight) - s.y
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if screenWidth <= s.x+w {
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s.x = 2*(screenWidth-w) - s.x
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s.vx = -s.vx
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}
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if screenHeight <= s.y+h {
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s.y = 2*(screenHeight-h) - s.y
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s.vy = -s.vy
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s.vy = -s.vy
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}
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}
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}
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}
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@ -85,17 +83,17 @@ type Sprites struct {
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num int
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num int
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}
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}
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func (s Sprites) Update() {
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func (s *Sprites) Update() {
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for _, sprite := range s.sprites {
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for _, sprite := range s.sprites {
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sprite.Update()
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sprite.Update()
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}
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}
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}
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}
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func (s Sprites) Len() int {
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func (s *Sprites) Len() int {
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return s.num
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return s.num
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}
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}
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func (s Sprites) Dst(i int) (x0, y0, x1, y1 int) {
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func (s *Sprites) Dst(i int) (x0, y0, x1, y1 int) {
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if s.num <= i {
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if s.num <= i {
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return 0, 0, 0, 0
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return 0, 0, 0, 0
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}
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}
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@ -103,7 +101,7 @@ func (s Sprites) Dst(i int) (x0, y0, x1, y1 int) {
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return ss.x, ss.y, ss.x + ebitenImageWidth, ss.y + ebitenImageHeight
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return ss.x, ss.y, ss.x + ebitenImageWidth, ss.y + ebitenImageHeight
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}
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}
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func (s Sprites) Src(i int) (x0, y0, x1, y1 int) {
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func (s *Sprites) Src(i int) (x0, y0, x1, y1 int) {
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if s.num <= i {
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if s.num <= i {
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return 0, 0, 0, 0
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return 0, 0, 0, 0
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}
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}
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@ -163,7 +161,8 @@ func main() {
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x, y := rand.Intn(screenWidth-w), rand.Intn(screenHeight-h)
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x, y := rand.Intn(screenWidth-w), rand.Intn(screenHeight-h)
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vx, vy := 2*rand.Intn(2)-1, 2*rand.Intn(2)-1
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vx, vy := 2*rand.Intn(2)-1, 2*rand.Intn(2)-1
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sprites.sprites[i] = &Sprite{
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sprites.sprites[i] = &Sprite{
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image: ebitenImage,
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imageWidth: w,
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imageHeight: h,
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x: x,
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x: x,
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y: y,
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y: y,
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vx: vx,
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vx: vx,
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@ -40,8 +40,9 @@
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<dt>Mobiles</dt>
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<dt>Mobiles</dt>
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<dd><a href="https://github.com/hajimehoshi/ebiten/wiki/Android">Android</a>, <a href="https://github.com/hajimehoshi/ebiten/wiki/iOS">iOS</a></dd>
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<dd><a href="https://github.com/hajimehoshi/ebiten/wiki/Android">Android</a>, <a href="https://github.com/hajimehoshi/ebiten/wiki/iOS">iOS</a></dd>
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<dt>Web browsers</dt>
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<dt>Web browsers</dt>
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<dd><a href="https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers">Chrome and Firefox on desktops</a> (powered by <a href="http://gopherjs.org/">GopherJS</a>)</dd>
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<dd><a href="https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers">Chrome, Firefox and Safari on desktops</a> (powered by <a href="http://gopherjs.org/">GopherJS</a>)</dd>
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</dl>
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</dl>
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<p><small>Note: Decoding Ogg/Vorbis and gamepads aren't available on Safari.</small></p>
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<h2 id="features">Features</h2>
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<h2 id="features">Features</h2>
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<dl class="dl-horizontal">
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<dl class="dl-horizontal">
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