mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 21:32:20 +02:00
88 lines
2.1 KiB
Go
88 lines
2.1 KiB
Go
// 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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"sort"
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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() by stringer
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var keyNames = map[ebiten.Key]string{
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ebiten.KeyBackspace: "Backspace",
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ebiten.KeyComma: "','",
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ebiten.KeyDelete: "Delete",
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ebiten.KeyEnter: "Enter",
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ebiten.KeyEscape: "Escape",
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ebiten.KeyPeriod: "'.'",
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ebiten.KeySpace: "Space",
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ebiten.KeyTab: "Tab",
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// Arrows
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ebiten.KeyDown: "Down",
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ebiten.KeyLeft: "Left",
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ebiten.KeyRight: "Right",
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ebiten.KeyUp: "Up",
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// Mods
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ebiten.KeyLeftShift: "Shift",
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ebiten.KeyLeftControl: "Ctrl",
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ebiten.KeyLeftAlt: "Alt",
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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 i := 0; i <= 9; i++ {
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if ebiten.IsKeyPressed(ebiten.Key(i) + ebiten.Key0) {
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pressed = append(pressed, string(i+'0'))
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}
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}
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for c := 'A'; c <= 'Z'; c++ {
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if ebiten.IsKeyPressed(ebiten.Key(c) - 'A' + ebiten.KeyA) {
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pressed = append(pressed, string(c))
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}
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}
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for i := 1; i <= 12; i++ {
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if ebiten.IsKeyPressed(ebiten.Key(i) + ebiten.KeyF1 - 1) {
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pressed = append(pressed, "F"+strconv.Itoa(i))
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}
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}
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for key, name := range keyNames {
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if ebiten.IsKeyPressed(key) {
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pressed = append(pressed, name)
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}
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}
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sort.Strings(pressed)
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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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