place/index.html at master · freestlr/place · GitHub

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<!DOCTYPE html>
<head>
	<title>r/place</title>
	<meta charset="utf-8" />
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<script>
		!function() {
		"use strict";

		var scripts = [
			'scripts/lib/f.js',
			'scripts/lib/pf.js',
			'scripts/lib/dom.js',
			'scripts/lib/kbd.js',
			// 'scripts/lib/gl-matrix.js',
			'scripts/lib/min-matrix.js',

			'scripts/base/EventEmitter.js',
			'scripts/base/Defer.js',
			'scripts/base/Loader.js',
			'scripts/base/Timer.js',
			'scripts/base/Bit.js',

			'scripts/Bar.js',
			'scripts/Viewport.js',
			'scripts/main.js'
		]
		var styles = [
			'styles/main.css',
			'styles/place.css'
		]

		var first = document.getElementsByTagName('script')[0]
		function add_script(src, callback) {
			var elem    = document.createElement('script')
			elem.type   = 'text/javascript'
			elem.src    = src
			elem.onload = callback
			first.parentNode.insertBefore(elem, first)
		}
		function add_style(href) {
			var elem  = document.createElement('link')
			elem.rel  = 'stylesheet'
			elem.href = href
			elem.type = 'text/css'
			first.parentNode.insertBefore(elem, first)
		}

		window.loadAssets = function(scripts, styles) {
			var _scripts = scripts.slice()
			,   _styles  = styles.slice()

			!function run_scripts() {
				_scripts.length && add_script(_scripts.shift(), run_scripts)
			}()
			while(_styles.length) add_style(_styles.shift())
		}

		loadAssets(scripts, styles)

		}()
	</script>
</head>

<body>
	<div class="viewport absmid">
		<canvas class="place"></div>
        <!--
		<div class="point cp"></div>
		<div class="point tl"></div>
		<div class="point tr"></div>
		<div class="point bl"></div>
		<div class="point br"></div>
        -->
	</div>

	<div class="controls">

		<div class="seek-field field">
			<span class="label">time:</span>
			<span class="value">0</span>
			<div class="seek bar">
				<div class="seek pending">...loading</div>
				<div class="cursor"></div>
			</div>
		</div>

		<div class="rate-field field">
			<span class="label">rate:</span>
			<span class="value">0</span>
			<div class="rate bar">
				<div class="cursor"></div>
			</div>
		</div>

		<div class="zoom pane">
			<canvas width="28" height="28" class="hand button zoom-in"></canvas>
			<canvas width="28" height="28" class="hand button zoom-out"></canvas>
			<canvas width="28" height="28" class="hand button zoom-fit"></canvas>
		</div>
	</div>


	<div id="bscrn" class="fullscreen absmid">
		<style>
			.absmid {
				position: absolute;
				left: 0;
				top: 0;
				right: 0;
				bottom: 0;
				margin: auto;
			}
			.fullscreen {
				background-color: white;
			}
			.loading {
				width: 100px;
				height: 2px;
				padding: 1px;
				border: 1px solid #000;
				outline: 2px solid white;
				background: white;
			}
			.progress {
				width: 0px;
				height: 2px;
				background-color: #000;
			}
			.logo {
				image-rendering: optimizeSpeed;
				image-rendering: -moz-crisp-edges;
				image-rendering: -o-crisp-edges;
				image-rendering: -webkit-optimize-contrast;
				image-rendering: pixelated;
				image-rendering: optimize-contrast;
				-ms-interpolation-mode: nearest-neighbor;
				transform: scale(2);
				bottom: 36px;
			}
		</style>
		<canvas id="boot" class="logo absmid" width="1000" height="1000"></canvas>
		<div class="loading absmid">
			<div id="bprog" class="progress"></div>
		</div>
	</div>
	<script>
!function() {
	var ctx = boot.getContext('2d'), cw = boot.width = 128, ch = boot.height = 128
	var raw = 'DShDXnmUODc2UWyHITxWcYumxquQdVo/QEFcd5KRmZiXlntgRUZHYn1MS0plgJucnaGgn4RpTk9Qa4U='
	var img = atob(raw).split('').map(n => n.charCodeAt(0)), imgw = 27, imgh = 8, len = imgw * imgh
	var { PI, sin, cos, exp, pow, random } = Math, c = (x, a, b) => x < a ? a : x > b ? b : x
	for(var i = len -1; i >= 0; i--) img.push(img.splice(random() * len |0, 1))
	var nd = x => 1 / (pow(PI * 2, 1/2) * (exp(2 * pow((x * 2 - 1) * 1.5, 2))))
	var ndp = 1000, ndt = [], sum = 0, t = 0, image = new Set, pix = ctx.createImageData(cw, ch);
	for(var i = 0; i < ndp; i++) { sum += nd(i / ndp) * (1 / ndp); ndt.push(sum) }
	for(var ky = 1 / sum, i = 0; i < ndp; i++) ndt[i] *= ky;
	var nds=x=>ndn(x* ndp), ndv=x=>ndt[c(x|0,0,ndp-1)], ndn=x=>(x%1)*(ndv(x+1)-ndv(x))+ndv(x)

	window.bootProgress = function(value, a) {
		t = isFinite(value) ? c(value, 0, 1) : 0
	}

	function loop() {
		if (t < 1) requestAnimationFrame(loop)

		for(var i = (1 - t + 0.1) * 10; i >= 0; i--) {
			var r = nds(c(random() + 0.1, 0, 1)) * ((1 - t) * 24 + 8)
			var a = random() * PI * 2
			var x = cos(a) * r + cw/2 |0
			var y = sin(a) * r + ch/2 |0
			var p = x + y * cw
			pix.data[p * 4 + 3] = 255
			image.add(p)
		}

		var array = [...image]
		for(var i = (t * 0.4 + 0.4) * 10; i >= 0; i--) {
			var p = array.splice(random() * array.length |0, 1)
			pix.data[p * 4 + 3] = 0
			image.delete(p)
		}

		for(var i = (t * 0.5) * 10; i >= 0; i--) {
			var v = random() * imgw * imgh |0
			var ix = v % imgw
			var iy = v / imgw |0
			var x = cw/2 - imgw/2 + ix |0
			var y = ch/2 - imgh/2 + iy |0
			var p = x + y * cw
			pix.data[p * 4 + 3] = 0
			image.delete(p)
		}

		for(var i = (t + 0.2) * 6; i >= 0; i--) {
			var v = img[random() * img.length |0]
			var x = cw/2 - imgw/2 + v % imgw |0
			var y = ch/2 - imgh/2 + v / imgw |0
			var p = x + y * cw
			pix.data[p * 4 + 3] = 255
			image.add(p)
		}

		ctx.putImageData(pix, 0, 0)
		bprog.style.width = (t * 100 |0) +'%'
		bscrn.style.display = t === 1 ? 'none' : 'block'
	}
	loop()
}()
	</script>
</body>