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Location: light9/www/mockup/curveedit.html - annotation
ea9e8f581eea
2.7 KiB
text/html
WIP optimization for note point dragging
Ignore-this: 2a7090064d70678dcbd4cdbbf435b57c
Ignore-this: 2a7090064d70678dcbd4cdbbf435b57c
45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 bdbf9f3acc6b 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 45290696a438 | <!doctype html>
<html>
<head>
<title></title>
<meta charset="utf-8" />
<style>
body {
font-family: sans;
font-size: 8px;
}
a {
color: #aff;
}
canvas {
}
.curveRow {
border-top: 1px solid rgb(185, 185, 185);
background: rgb(75, 75, 75);
}
</style>
</head>
<body>
<div>
Editing song: [song1] unlink Player is on song [song2] [x] follow player
</div>
<div>
timeline
<div>
0 10 20 30 40 50 60 70 80 90 100 110 120
</div>
<div id="sampleCurveRow">
<div class="curveRow"> <a href="#">curve1</a> <canvas></canvas> </div>
</div>
<script src="//bigasterisk.com/lib/jquery-2.0.3.min.js"></script>
<script type="text/javascript">
window.onload = function () {
var row = $("#sampleCurveRow");
for (var i=0; i<50; i++) {
row.parent().append(row.clone());
}
var expandNear = 0;
var animating = false;
function redrawAll() {
$("canvas").each(function (i, canvas) {
canvas.width = 900;
var near = Math.abs(Math.round(expandNear / 20) - i);
canvas.height = Math.max(10, Math.min(150, 30 / near ));
var ctx = canvas.getContext('2d');
ctx.strokeStyle = 'white';
ctx.strokeWidth = 3;
var _rand = i * 13763;
var rand = function() {
_rand = (_rand * 64874) % 7646;
return (_rand % 1000) / 1000;
};
var ww = Math.pow(rand(), 3) * 900;
var t = (+new Date() / 1000);
var pts = [];
var zoom = animating ? (.6 + 4 * (Math.sin(t) + 1)) : 1;
for (var x = 0; x < 900; x += Math.max(1, ww * Math.pow(rand(), 2))) {
var x2 = x * zoom;
var y = rand();
if (rand() > .8) {
y = 0;
}
pts.push([x2, canvas.height * (1 - y)]);
}
ctx.beginPath();
ctx.moveTo(0, canvas.height);
pts.forEach(function (pt) {
ctx.lineTo(pt[0], pt[1]);
});
ctx.lineTo(canvas.width, canvas.height);
ctx.fill();
});
}
var loop = function () {
redrawAll();
setTimeout(loop, 50);
};
redrawAll();
$('body').click(function() { animating = true; loop(); });
$('body').mousemove(function (ev) {
expandNear = ev.pageY;
redrawAll();
});
};
</script>
</body>
</html>
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