ebiten/docs/examples/gamepad.html

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<title>Ebiten example - gamepad</title>
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<h2>Ebiten example - gamepad</h2>
<iframe src="gamepad.content.html" width="640" height="480"></iframe>
<div class="card"><pre class="card-body"><code class="language-go">// &#43;build example
package main
import (
&#34;fmt&#34;
&#34;log&#34;
&#34;strconv&#34;
&#34;strings&#34;
&#34;github.com/hajimehoshi/ebiten&#34;
&#34;github.com/hajimehoshi/ebiten/ebitenutil&#34;
)
const (
screenWidth = 640
screenHeight = 480
)
func update(screen *ebiten.Image) error {
ids := ebiten.GamepadIDs()
axes := map[int][]string{}
pressedButtons := map[int][]string{}
for _, id := range ids {
maxAxis := ebiten.GamepadAxisNum(id)
for a := 0; a &lt; maxAxis; a&#43;&#43; {
v := ebiten.GamepadAxis(id, a)
axes[id] = append(axes[id], fmt.Sprintf(&#34;%d:%0.2f&#34;, a, v))
}
maxButton := ebiten.GamepadButton(ebiten.GamepadButtonNum(id))
for b := ebiten.GamepadButton(id); b &lt; maxButton; b&#43;&#43; {
if ebiten.IsGamepadButtonPressed(id, b) {
pressedButtons[id] = append(pressedButtons[id], strconv.Itoa(int(b)))
}
}
}
if ebiten.IsRunningSlowly() {
return nil
}
str := &#34;&#34;
if len(ids) &gt; 0 {
for _, id := range ids {
str &#43;= fmt.Sprintf(&#34;Gamepad (ID: %d):\n&#34;, id)
str &#43;= fmt.Sprintf(&#34; Axes: %s\n&#34;, strings.Join(axes[id], &#34;, &#34;))
str &#43;= fmt.Sprintf(&#34; Buttons: %s\n&#34;, strings.Join(pressedButtons[id], &#34;, &#34;))
str &#43;= &#34;\n&#34;
}
} else {
str = &#34;Please connect your gamepad.&#34;
}
ebitenutil.DebugPrint(screen, str)
return nil
}
func main() {
if err := ebiten.Run(update, screenWidth, screenHeight, 1, &#34;Gamepad (Ebiten Demo)&#34;); err != nil {
log.Fatal(err)
}
}
</code></pre></div>
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