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<!DOCTYPE html>
<html lang="en" dir="ltr">
	<head>
		<title>WebGL Gaussian Splat Viewer</title>
		<meta charset="utf-8" />
		<meta
			name="viewport"
			content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"
		/>
		<meta name="apple-mobile-web-app-capable" content="yes" />
		<meta
			name="apple-mobile-web-app-status-bar-style"
			content="black-translucent"
		/>
		<style>
			body {
				overflow: hidden;
				margin: 0;
				height: 100vh;
				width: 100vw;
				font-family: sans-serif;
				background: black;
    			text-shadow: 0 0 3px black;
			}
			a, body {
				color: white;
			}
			#info {
				z-index: 100;
				position: absolute;
				top: 10px;
				left: 15px;
			}
			h3 {
				margin: 5px 0;
			}
			p {
				margin: 5px 0;
				font-size: small;
			}

			.cube-wrapper {
				transform-style: preserve-3d;
			}

			.cube {
				transform-style: preserve-3d;
				transform: rotateX(45deg) rotateZ(45deg);
				animation: rotation 2s infinite;
			}

			.cube-faces {
				transform-style: preserve-3d;
				height: 80px;
				width: 80px;
				position: relative;
				transform-origin: 0 0;
				transform: translateX(0) translateY(0) translateZ(-40px);
			}

			.cube-face {
				position: absolute;
				inset: 0;
				background: #0017ff;
				border: solid 1px #ffffff;
			}
			.cube-face.top {
				transform: translateZ(80px);
			}
			.cube-face.front {
				transform-origin: 0 50%;
				transform: rotateY(-90deg);
			}
			.cube-face.back {
				transform-origin: 0 50%;
				transform: rotateY(-90deg) translateZ(-80px);
			}
			.cube-face.right {
				transform-origin: 50% 0;
				transform: rotateX(-90deg) translateY(-80px);
			}
			.cube-face.left {
				transform-origin: 50% 0;
				transform: rotateX(-90deg) translateY(-80px) translateZ(80px);
			}

			@keyframes rotation {
				0% {
					transform: rotateX(45deg) rotateY(0) rotateZ(45deg);
					animation-timing-function: cubic-bezier(
						0.17,
						0.84,
						0.44,
						1
					);
				}
				50% {
					transform: rotateX(45deg) rotateY(0) rotateZ(225deg);
					animation-timing-function: cubic-bezier(
						0.76,
						0.05,
						0.86,
						0.06
					);
				}
				100% {
					transform: rotateX(45deg) rotateY(0) rotateZ(405deg);
					animation-timing-function: cubic-bezier(
						0.17,
						0.84,
						0.44,
						1
					);
				}
			}

			.scene,
			#message {
				position: absolute;
				display: flex;
				top: 0;
				right: 0;
				left: 0;
				bottom: 0;
				z-index: 2;
				height: 100%;
				width: 100%;
				align-items: center;
				justify-content: center;
			}
			#message {
				font-weight: bold;
				font-size: large;
				color: red;
				pointer-events: none;
			}

			details {
				font-size: small;

			}

			#progress {
				position: absolute;
				top: 0;
				height: 5px;
				background: blue;
				z-index: 99;
				transition: width 0.1s ease-in-out;
			}

			#quality {
				position: absolute;
				bottom: 10px;
				z-index: 999;
				right: 10px;
			}

			#canvas {
				display: block;
				position: absolute;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
				touch-action: none;
			}

			#instructions {
				background: rgba(0,0,0,0.6);
				white-space: pre-wrap;
				padding: 10px;
				border-radius: 10px;
				font-size: x-small;
			}
			body.nohf .nohf {
				display: none;
			}
			body.nohf #progress, body.nohf .cube-face {
				background: #ff9d0d;
			}
		</style>
	</head>
	<body>
		<script>
			if(location.host.includes('hf.space')) document.body.classList.add('nohf');
		</script>
		<div id="info">
			<h3 class="nohf">WebGL 3D Gaussian Splat Viewer</h3>
			<p>
			<small class="nohf">
				By <a href="https://twitter.com/antimatter15">Kevin Kwok</a>.
				Code on
				<a href="https://github.com/antimatter15/splat">Github</a
				>.
			</small>
		</p>

			<details>
			<summary>Use mouse or arrow keys to navigate.</summary>

<div id="instructions">movement (arrow keys)
- left/right arrow keys to strafe side to side
- up/down arrow keys to move forward/back
- space to jump

camera angle (wasd)
- a/d to turn camera left/right
- w/s to tilt camera up/down
- q/e to roll camera counterclockwise/clockwise
- i/k and j/l to orbit

trackpad
- scroll up/down/left/right to orbit
- pinch to move forward/back
- ctrl key + scroll to move forward/back
- shift + scroll to move up/down or strafe

mouse
- click and drag to orbit
- right click (or ctrl/cmd key) and drag up/down to move

touch (mobile)
- one finger to orbit
- two finger pinch to move forward/back
- two finger rotate to rotate camera clockwise/counterclockwise
- two finger pan to move side-to-side and up-down

other
- press 0-9 to switch to one of the pre-loaded camera views
- press p to resume default animation
</div>

		</details>
			
		</div>

		<div id="progress"></div>

		<div id="message"></div>
		<div class="scene" id="spinner">
			<div class="cube-wrapper">
				<div class="cube">
					<div class="cube-faces">
						<div class="cube-face bottom"></div>
						<div class="cube-face top"></div>
						<div class="cube-face left"></div>
						<div class="cube-face right"></div>
						<div class="cube-face back"></div>
						<div class="cube-face front"></div>
					</div>
				</div>
			</div>
		</div>
		<canvas id="canvas"></canvas>

		<div id="quality">
			<span id="fps"></span>
		</div>
		<script src="main.js"></script>
	</body>
</html>