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给图片插链接"><a _blank="" href="http://www.baidu.com" _cke_saved_href="http://www.baidu.com" _cke_saved_href="http://www.baidu.com" _cke_saved_href="http://www.baidu.com"><img src="/repository/image/e6pFA4jUQtm3gehzimnFKw.jpg var UPDATE_DURATION = 100; window.AudioContext = window.AudioContext || window.webkitAudioContext; var audioContext = new AudioContext(); var oReq = new XMLHttpRequest(); oReq.open('GET', 'data/asset/sound/roll-it-up.mp3', true); oReq.responseType = 'arraybuffer'; oReq.onload = function(e) { audioContext.decodeAudioData(oReq.response, initVisualizer); }; oReq.send(); function initVisualizer(audioBuffer) { inited = true; var source = audioContext.createBufferSource(); source.buffer = audioBuffer; // Must invoked right after click event if (source.noteOn) { source.noteOn(0); } else { source.start(0); } var analyzer = audioContext.createAnalyser(); var gainNode = audioContext.createGain(); analyzer.fftSize = 4096; gainNode.gain.value = 1; source.connect(gainNode); gainNode.connect(analyzer); analyzer.connect(audioContext.destination); var frequencyBinCount = analyzer.frequencyBinCount; var dataArray = new Uint8Array(frequencyBinCount); var beta = 0; function update() { analyzer.getByteFrequencyData(dataArray); var item = []; var size = 50; var dataProvider = []; for (var i = 0; i < size * size; i++) { var x = i % size; var y = Math.floor(i / size); var dx = x - size / 2; var dy = y - size / 2; var angle = Math.atan2(dy, dx); if (angle < 0) { angle = Math.PI * 2 + angle; } var dist = Math.sqrt(dx * dx + dy * dy); var idx = Math.min( frequencyBinCount - 1, Math.round(angle / Math.PI / 2 * 60 + dist * 60) + 100 ); var val = Math.pow(dataArray[idx] / 100, 3); dataProvider.push([x, y, Math.max(val, 0.1)]); } myChart.setOption({ grid3D: { viewControl: { beta: beta, alpha: Math.sin(beta / 10 + 40) * (beta % 10 + 5) / 15 * 30 + 30, distance: Math.cos(beta / 50 + 20) * (beta % 10 + 5) / 15 * 50 + 80, animationDurationUpdate: UPDATE_DURATION, animationEasingUpdate: 'linear' } }, series: [{ data: dataProvider }] }); beta += 2; setTimeout(update, UPDATE_DURATION); }; update(); } option = { tooltip: {}, visualMap: { show: false, min: 0.1, max: 4, inRange: { color: ['#010103', '#2f490c', '#b0b70f', '#fdff44', '#fff'] } }, xAxis3D: { type: 'value' }, yAxis3D: { type: 'value' }, zAxis3D: { type: 'value', min: -6, max: 6 }, grid3D: { show: false, environment: '#000', viewControl: { distance: 100 }, postEffect: { enable: true, FXAA: { enable: true } }, light: { main: { shadow: true, intensity: 10, quality: 'high' }, ambientCubemap: { texture: 'data-gl/asset/canyon.hdr', exposure: 0, diffuseIntensity: 0.2 } } }, series: [{ type: 'bar3D', silent: true, shading: 'lambert', data: [], barSize: 1, lineStyle: { width: 4 }, // animation: false, animationDurationUpdate: UPDATE_DURATION }]
暂未实现,敬请期待
暂未实现,敬请期待
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