このファイル: /home/web6047/www/js/20210909-logicanalyzer/web6047document - snapshot 20210912.html
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<html>
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<head>
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<meta content="text/html; charset=UTF-8" http-equiv="content-type">
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<script>
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console.clear();
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onclick = function() { location.reload( true ) }
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ondblclick = function() { location.assign( "https: + location.pathname ) }
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</script>
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<script src="a - snapshot 20210912.js"></script>
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<script>
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async function onloadx() {
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cc = document.getElementById( "test" ).getContext( "2d" );
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cc.canvas.width = 512;
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cc.canvas.height = 442;
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test();
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LA = new LogicAnalyzer( cc, {
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cellHeight : 32,
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palseHeight : 8,
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horizontalDiv : 2,
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horizontalShift : 100,
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bottom : 96,
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} );
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keys = new Array();
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onkeydown = function( e ) {
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if( keys.indexOf( e.which ) == -1 ) keys.push( e.which );
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LA.hi( "key", "press" );
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}
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onkeyup = function( e ) {
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LA.low( "key", "release" );
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LA.stop();
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let idx = keys.indexOf( e.which );
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if( idx != -1 ) keys.splice( idx, 1 );
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}
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frame();
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}
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function frame() {
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LA.hi( "frame" );
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for( let key of keys ) {
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senseKey( key );
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}
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if( 1 ) requestAnimationFrame( frame );
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else setTimeout( frame, 100 );
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LA.low( "frame" );
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}
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function senseKey( key ) {
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console.log( key );
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}
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function test() {
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LA2 = new LogicAnalyzer( cc, {
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cellHeight : 48,
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palseHeight : 8,
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horizontalDiv : 0.2,
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horizontalShift : 10,
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bottom : 192,
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} );
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LA2.hi( "parent func 'test()'", "called async func" );
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story();
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LA2.low( "parent func 'test()'", "returned from async func" );
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}
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async function story() {
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LA2.hi( "async func 'story()'", "await" );
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await new Promise( function( sigotoOk ) {
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setTimeout( sigotoOk, 50 );
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} );
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LA2.low( "async func 'story()'", "resolved" );
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LA2.stop();
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}
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</script>
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<style>
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</style>
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</head>
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<body onload="onloadx()">
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<canvas id="test" style="
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border : solid 1px black;
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">
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</canvas><BR>
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キーボードのキーを１回チョンと押すと、キーの動きを表示します。<BR>
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（連打はできますが、長押しするとうまく動きません）
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</body>
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</html>