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Add example keyboard
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59
example/keyboard/main.go
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59
example/keyboard/main.go
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// Copyright 2015 Hajime Hoshi
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"github.com/hajimehoshi/ebiten"
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"github.com/hajimehoshi/ebiten/ebitenutil"
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"log"
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"strconv"
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"strings"
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)
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const (
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screenWidth = 320
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screenHeight = 240
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)
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// TODO: Add Key.String()
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var keys = []ebiten.Key{
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ebiten.Key0, ebiten.Key1, ebiten.Key2, ebiten.Key3, ebiten.Key4,
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ebiten.Key5, ebiten.Key6, ebiten.Key7, ebiten.Key8, ebiten.Key9,
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ebiten.KeyA, ebiten.KeyB, ebiten.KeyC, ebiten.KeyD, ebiten.KeyE,
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ebiten.KeyF, ebiten.KeyG, ebiten.KeyH, ebiten.KeyI, ebiten.KeyJ,
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ebiten.KeyK, ebiten.KeyL, ebiten.KeyM, ebiten.KeyN, ebiten.KeyO,
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ebiten.KeyP, ebiten.KeyQ, ebiten.KeyR, ebiten.KeyS, ebiten.KeyT,
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ebiten.KeyU, ebiten.KeyV, ebiten.KeyW, ebiten.KeyX, ebiten.KeyY,
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ebiten.KeyZ,
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}
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func update(screen *ebiten.Image) error {
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pressed := []string{}
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for _, key := range keys {
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if ebiten.IsKeyPressed(key) {
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pressed = append(pressed, strconv.Itoa(int(key)))
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}
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}
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str := "Pressed Keys: " + strings.Join(pressed, ",")
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ebitenutil.DebugPrint(screen, str)
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return nil
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}
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func main() {
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if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Keyboard (Ebiten Demo)"); err != nil {
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log.Fatal(err)
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}
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}
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@ -34,7 +34,7 @@ var (
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canvasRenderTarget *ebiten.Image
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canvasRenderTarget *ebiten.Image
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)
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)
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func Update(screen *ebiten.Image) error {
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func update(screen *ebiten.Image) error {
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if ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft) {
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if ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft) {
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count++
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count++
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}
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}
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@ -76,7 +76,7 @@ func main() {
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}
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}
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canvasRenderTarget.Fill(color.White)
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canvasRenderTarget.Fill(color.White)
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if err := ebiten.Run(Update, screenWidth, screenHeight, 2, "Paint (Ebiten Demo)"); err != nil {
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if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Paint (Ebiten Demo)"); 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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}
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}
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11
genkeys.go
11
genkeys.go
@ -17,6 +17,7 @@
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// Note:
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// Note:
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// * Respect GLFW key names
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// * Respect GLFW key names
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// * https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent.keyCode
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// * https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent.keyCode
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// * It is best to replace keyCode with code, but many browsers don't implement it.
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package main
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package main
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@ -123,7 +124,7 @@ const uiKeysJSTmpl = `{{.License}}
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package ui
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package ui
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var keyCodeToKey = map[int]Key{
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var keyCodeToKey = map[int]Key{
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{{range $code, $name := .Keys}}{{$code}}: {{$name}},
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{{range $code, $name := .KeyCodeToName}}{{$code}}: {{$name}},
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{{end}}
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{{end}}
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}
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}
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`
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`
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@ -162,10 +163,10 @@ func main() {
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}
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}
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// NOTE: According to godoc, maps are automatically sorted by key.
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// NOTE: According to godoc, maps are automatically sorted by key.
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tmpl.Execute(f, map[string]interface{}{
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tmpl.Execute(f, map[string]interface{}{
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"License": license,
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"License": license,
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"Keys": keyCodeToName,
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"KeyCodeToName": keyCodeToName,
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"Codes": codes,
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"Codes": codes,
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"KeyNames": names,
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"KeyNames": names,
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})
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})
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}
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}
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}
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}
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