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BEEEEEEEEEEEEEEEEEP

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This commit is contained in:
MightyPork
2017-08-20 00:28:31 +02:00
parent fe714bf473
commit 5995988a9b
5 changed files with 91 additions and 2 deletions
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html_orig/js/app.js
+39
View File
@@ -1582,6 +1582,14 @@ var Screen = (function () {
'Z': '\u2128',
};
// for BEL
var audioCtx = null;
try {
audioCtx = new (window.AudioContext || window.audioContext || window.webkitAudioContext)();
} catch (er) {
console.error("Browser does not support AudioContext, can't beep.", er);
}
/** Get cell under cursor */
function _curCell() {
return screen[cursor.y*W + cursor.x];
@@ -1837,6 +1845,34 @@ var Screen = (function () {
});
}
function _beep()
{
var osc, gain;
if (!audioCtx) return;
// Main beep
osc = audioCtx.createOscillator();
gain = audioCtx.createGain();
osc.connect(gain);
gain.connect(audioCtx.destination);
gain.gain.value = 0.5;
osc.frequency.value = 750;
osc.type = 'sine';
osc.start();
osc.stop(audioCtx.currentTime+0.05);
// Surrogate beep (making it sound like 'oops')
osc = audioCtx.createOscillator();
gain = audioCtx.createGain();
osc.connect(gain);
gain.connect(audioCtx.destination);
gain.gain.value = 0.2;
osc.frequency.value = 400;
osc.type = 'sine';
osc.start(audioCtx.currentTime+0.05);
osc.stop(audioCtx.currentTime+0.08);
}
/** Load screen content from a binary sequence (new) */
function load(str) {
var content = str.substr(1);
@@ -1847,6 +1883,9 @@ var Screen = (function () {
case 'T':
_load_labels(content);
break;
case 'B':
_beep();
break;
default:
console.warn("Bad data message type, ignoring.");
}
html_orig/jssrc/term.js
+39
View File
@@ -25,6 +25,14 @@ var Screen = (function () {
'Z': '\u2128',
};
// for BEL
var audioCtx = null;
try {
audioCtx = new (window.AudioContext || window.audioContext || window.webkitAudioContext)();
} catch (er) {
console.error("Browser does not support AudioContext, can't beep.", er);
}
/** Get cell under cursor */
function _curCell() {
return screen[cursor.y*W + cursor.x];
@@ -280,6 +288,34 @@ var Screen = (function () {
});
}
function _beep()
{
var osc, gain;
if (!audioCtx) return;
// Main beep
osc = audioCtx.createOscillator();
gain = audioCtx.createGain();
osc.connect(gain);
gain.connect(audioCtx.destination);
gain.gain.value = 0.5;
osc.frequency.value = 750;
osc.type = 'sine';
osc.start();
osc.stop(audioCtx.currentTime+0.05);
// Surrogate beep (making it sound like 'oops')
osc = audioCtx.createOscillator();
gain = audioCtx.createGain();
osc.connect(gain);
gain.connect(audioCtx.destination);
gain.gain.value = 0.2;
osc.frequency.value = 400;
osc.type = 'sine';
osc.start(audioCtx.currentTime+0.05);
osc.stop(audioCtx.currentTime+0.08);
}
/** Load screen content from a binary sequence (new) */
function load(str) {
var content = str.substr(1);
@@ -290,6 +326,9 @@ var Screen = (function () {
case 'T':
_load_labels(content);
break;
case 'B':
_beep();
break;
default:
console.warn("Bad data message type, ignoring.");
}