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- <script>
- var audioCtx=new AudioContext();
- var oscillator = audioCtx.createOscillator();
- var gainNode = audioCtx.createGain();
- oscillator.connect(gainNode);
- gainNode.connect(audioCtx.destination);
- var WIDTH = window.innerWidth;
- var HEIGHT = window.innerHeight;
- var FreqMax = prompt("Enter Max Freq");
- var VolMax = prompt("Enter Max Vol:");
- var Freq = prompt("Enter Starting Freq:");
- var Vol = prompt("Enter Starting Vol:");
- oscillator.type = 'sawtooth';
- oscillator.frequency.value = Freq;
- oscillator.start();
- gainNode.gain.value =Vol;
- var CurX;
- var CurY;
- var CurZ;
- var CurZZ;
- document.onmousemove = updatePage;
- function updatePage(e) {
- CurZ = (window.Event) ? e.pageY : event.clientY + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);
- CurZZ = (window.Event) ? e.pageX : event.clientX + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);
- CurX = (window.Event) ? e.pageX : event.clientX + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);
- CurY = (window.Event) ? e.pageY : event.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);
- oscillator.frequency.value = (CurX/WIDTH) * FreqMax;
- gainNode.gain.value = (CurY/HEIGHT) * VolMax;
- oscillator.frequency.value = (CurZ-WIDTH) % FreqMax;
- gainNode.gain.value = (CurZZ-HEIGHT) % VolMax;
- oscillator.detune=(0);
- }
- function drawe(){
- var canvas = document.getElementById("myCanvas");
- var ctx = canvas.getContext("2d");
- ctx.moveTo(event.x+CurX,event.y+CurX);
- ctx.lineTo(event.x+CurX,event.y+CurY);
- ctx.stroke();
- }
- </script>
- <html>
- <body onmousemove="drawe();" onchange="drawe();" background-color="white">
- <canvas id="myCanvas" width="1000" height="1000" style="background:darkorange;">
- </canvas>
- </body>
- </html>
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