回答編集履歴
2
minimバージョン
answer
CHANGED
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@@ -10,49 +10,49 @@
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HashMap<String, Boolean> pressedKeys = new HashMap<String, Boolean>();
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void setup() {
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-
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size(600, 400);
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-
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-
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MidiBus.list();
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-
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myBus = new MidiBus(this, -1, 1); // 注２
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-
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myBus.sendMessage(192, 3); // 注３
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}
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void draw() {
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}
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void keyPressed() {
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-
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String pitchName = getPitchName();
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if (pitchName == null) return;
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if (pressedKeys.getOrDefault(pitchName, false)) return;
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if (pitchName != "" && !pressedKeys.getOrDefault(pitchName, false)) {
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myBus.sendNoteOn(0, (int) Frequency.ofPitch(pitchName).asMidiNote(), 127);
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}
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-
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-
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pressedKeys.put(pitchName, true);
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}
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void keyReleased() {
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-
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String pitchName = getPitchName();
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if (pitchName == null) return;
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35
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-
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myBus.sendNoteOff(0, (int) Frequency.ofPitch(pitchName).asMidiNote(), 127);
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-
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pressedKeys.put(pitchName, false);
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}
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String getPitchName() {
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-
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switch (key) {
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case 'z': return "C4";
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-
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case 's': return "C#4";
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-
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case 'x': return "D4";
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-
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case 'd': return "D#4";
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-
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case 'c': return "E4";
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case 'v': return "F4";
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case 'g': return "F#4";
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-
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case 'b': return "G4";
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-
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case 'h': return "G#4";
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case 'n': return "A4";
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case 'j': return "A#4";
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case 'm': return "B4";
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-
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}
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-
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return null;
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}
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```
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@@ -76,4 +76,92 @@
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注３
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`sendMessage(192, 3)`の`3`は音色です（`192`は気にしないでいいです）
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-
[楽器](https://ja.wikipedia.org/wiki/General_MIDI#Melodic_sounds)の`No.`の数字からいろいろ試してみてください。
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[楽器](https://ja.wikipedia.org/wiki/General_MIDI#Melodic_sounds)の`No.`の数字からいろいろ試してみてください。
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---
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追記
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やっぱり気になったのでminimバージョンも。無駄にややこしくしてる気もする^^;
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```Processing
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import ddf.minim.spi.*;
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import ddf.minim.signals.*;
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import ddf.minim.*;
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import ddf.minim.analysis.*;
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import ddf.minim.ugens.*;
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import ddf.minim.effects.*;
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95
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Minim minim;
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AudioOutput out;
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HashMap<String, Keyboard> pressedKeys = new HashMap<String, Keyboard>();
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void setup() {
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size(600, 400);
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minim = new Minim(this);
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out = minim.getLineOut();
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}
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void draw() {
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}
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void keyPressed() {
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String pitchName = getPitchName();
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if (pitchName == null) return;
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Keyboard k = pressedKeys.get(pitchName);
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if (k == null) {
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k = new Keyboard(pitchName);
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pressedKeys.put(pitchName, k);
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}
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k.noteOn();
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}
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void keyReleased() {
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String pitchName = getPitchName();
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if (pitchName == null) return;
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pressedKeys.get(pitchName).noteOff();
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}
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127
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128
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String getPitchName() {
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switch (key) {
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case 'z': return "C4";
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case 's': return "C#4";
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case 'x': return "D4";
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case 'd': return "D#4";
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case 'c': return "E4";
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case 'v': return "F4";
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case 'g': return "F#4";
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case 'b': return "G4";
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case 'h': return "G#4";
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case 'n': return "A4";
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case 'j': return "A#4";
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case 'm': return "B4";
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}
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return null;
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}
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class Keyboard {
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Oscil osc;
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boolean pressed;
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Keyboard(String pitchName) {
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osc = new Oscil(Frequency.ofPitch(pitchName), 1.0, Waves.SAW);
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}
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void noteOn() {
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if (pressed) return;
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osc.patch(out);
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pressed = true;
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}
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void noteOff() {
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osc.unpatch(out);
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pressed = false;
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}
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}
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```
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1
誤認
answer
CHANGED
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@@ -1,4 +1,4 @@
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1
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`out.playNote`は鳴らす長さを入れて音を出すみたいなので、任意の長さで鳴らすのはちょっと難しそうですねぇ（何か方法はあるかもしれませんが）
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1
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~~`out.playNote`は鳴らす長さを入れて音を出すみたいなので、任意の長さで鳴らすのはちょっと難しそうですねぇ（何か方法はあるかもしれませんが）~~
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2
2
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3
3
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代わりにMidiで鳴らすのはどうでしょう？最近のPCであれば標準で対応しているはずです。
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4
4
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