mirror of https://github.com/sveltejs/svelte
Site: Document svelte/easing (#3292)
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5 years ago
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Conduitry
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<script>
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import { interpolateString as interpolate } from 'd3-interpolate';
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import { tweened } from 'svelte/motion';
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import Grid from './Grid.svelte';
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import Controls from './Controls.svelte';
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import { eases, types } from './eases.js';
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let current_type = 'In';
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let current_ease = 'sine';
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let duration = 2000;
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let current = eases.get(current_ease)[current_type];
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let playing = false;
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let width;
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const ease_path = tweened(current.shape, { interpolate });
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const time = tweened(0);
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const value = tweened(1000);
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async function runAnimations() {
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playing = true;
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value.set(1000, {duration: 0});
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time.set(0, {duration: 0});
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await ease_path.set(current.shape);
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await Promise.all([
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time.set(1000, {duration, easing: x => x}),
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value.set(0, {duration, easing: current.fn})
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]);
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playing = false;
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}
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$: current = eases.get(current_ease)[current_type];
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$: current && runAnimations();
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</script>
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<style>
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.easing-vis {
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display: flex;
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max-height: 95%;
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max-width: 800px;
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margin: auto;
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padding: 10px;
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border: 1px solid #333;
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border-radius: 2px;
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padding: 20px;
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}
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svg {
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width: 100%;
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margin: 0 20px 0 0;
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}
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.graph {
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transform: translate(200px,400px)
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}
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@media (max-width:600px) {
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.easing-vis {
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flex-direction: column;
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max-height: calc(100% - 3rem);
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}
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}
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</style>
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<div bind:offsetWidth={width} class="easing-vis">
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<svg viewBox="0 0 1400 1802">
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<g class="canvas">
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<Grid x={$time} y={$value}/>
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<g class="graph">
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<path
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d={$ease_path}
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stroke="#333"
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stroke-width="2"
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fill="none"
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/>
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<path d="M0,23.647C0,22.41 27.014,0.407 28.496,0.025C29.978,-0.357 69.188,3.744 70.104,4.744C71.02,5.745 71.02,41.499 70.104,42.5C69.188,43.501 29.978,47.601 28.496,47.219C27.014,46.837 0,24.884 0,23.647Z"
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fill="#ff3e00"
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style="transform: translate(1060px, {($value - 24)}px)"
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/>
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<circle
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cx="{$time}"
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cy="{$value}"
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r="15"
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fill="#ff3e00"
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/>
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</g>
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</g>
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</svg>
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<Controls
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{eases}
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{types}
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{playing}
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{width}
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bind:duration
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bind:current_ease
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bind:current_type
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on:play={runAnimations}
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/>
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</div>
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@ -0,0 +1,186 @@
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<script>
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import { createEventDispatcher } from 'svelte';
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export let current_ease;
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export let current_type;
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export let eases;
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export let types;
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export let duration;
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export let playing;
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export let width;
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const dispatch = createEventDispatcher();
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$: mobile = width && width < 600;
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</script>
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<style>
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.easing-sidebar {
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width: 11em;
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}
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ul {
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list-style: none;
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padding: 0;
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display: flex;
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flex-direction: column;
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align-items: flex-start;
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font-size: 18px;
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}
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li {
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padding: 5px 10px;
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background: #eee;
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border-radius: 2px;
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margin: 3px 0;
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cursor:pointer;
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}
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li:hover {
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background: #676778;
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color: white;
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}
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.selected {
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background: #ff3e00;
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color: white;
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}
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h3 {
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margin: 0 10px 0 0;
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}
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h4 {
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margin-bottom: 0;
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}
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select {
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display: inline;
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padding: 0.2em;
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margin: 0;
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}
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.duration {
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width: 100%;
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display: flex;
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align-items: center;
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flex-wrap: wrap;
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}
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.duration span {
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display: flex;
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}
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.duration input {
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width: 80px;
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margin: 10px 10px 10px 0 ;
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}
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.duration button {
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margin: 10px 5px;
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}
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.duration .number {
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width: 30px;
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}
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.duration .play {
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margin: 0 5px 0 auto;
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width: 100%;
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}
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@media (max-width:600px) {
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.easing-types {
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display: flex;
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align-items: center;
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margin-top: 10px;
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}
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.easing-sidebar {
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width: 100%;
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}
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.duration .play {
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margin-left: auto;
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width: unset;
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}
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h3 {
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font-size: 0.9em;
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display: inline;
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}
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h3:nth-of-type(2) {
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margin-left: auto;
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}
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ul li {
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margin-right: 10px;
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}
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}
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</style>
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<div class="easing-sidebar">
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<div class="easing-types">
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<h3>Ease</h3>
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{#if mobile}
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<select bind:value={current_ease}>
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{#each [...eases] as [name]}
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<option
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value={name}
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class:selected={name === current_ease}
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>
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{name}
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</option>
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{/each}
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</select>
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{:else}
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<ul>
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{#each [...eases] as [name]}
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<li
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class:selected={name === current_ease}
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on:click={() => current_ease = name}
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>
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{name}
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</li>
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{/each}
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</ul>
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{/if}
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<h3>Type</h3>
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{#if mobile }
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<select bind:value={current_type}>
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{#each types as [name, type]}
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<option
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value={type}
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>
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{name}
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</option>
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{/each}
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</select>
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{:else}
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<ul>
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{#each types as [name, type]}
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<li
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class:selected={type === current_type}
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on:click={() => current_type = type}
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>
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{name}
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</li>
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{/each}
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</ul>
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{/if}
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</div>
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<h4>
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Duration
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</h4>
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<div class="duration">
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<span>
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<input type="number" bind:value={duration} min="0" step="100"/>
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<button class="number" on:click={() => duration -= 100}>-</button>
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<button class="number" on:click={() => duration += 100}>+</button>
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</span>
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<button class="play" on:click={() => dispatch('play')}>
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{playing ? 'Restart' : 'Play'}
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</button>
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</div>
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</div>
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@ -0,0 +1,62 @@
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<script>
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export let x, y;
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</script>
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<style>
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.grid-line {
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stroke:#ccc;
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opacity: 0.5;
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stroke-width: 2;
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}
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.grid-line-xy {
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stroke: tomato;
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stroke-width: 2;
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}
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</style>
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<svelte:options namespace="svg" />
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<rect
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x=0
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y=0
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width=1400
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height=1800
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stroke=#ccc
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style="opacity: 0.5"
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fill=none
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stroke-width=2
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/>
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{#each { length: 8 } as _, i}
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{#if i < 6}
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<path
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d="M{(i+1) * 200} 0 L{(i+1)*200} 1802"
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class="grid-line"
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/>
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{/if}
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<path
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d="M0 {(i+1) * 200} L1400 {(i+1)*200} "
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class="grid-line"
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/>
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{/each}
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<path
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style="transform: translateX({x+200}px)"
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d="M0 0 L0 1800"
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class="grid-line-xy"
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/>
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<path
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style="transform: translateY({y}px)"
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d="M0 400 L1400 400"
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class="grid-line-xy"
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/>
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<rect
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x=200
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y=400
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width=1000
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height=1000
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stroke=#999
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fill=none
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stroke-width=2
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/>
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@ -0,0 +1,43 @@
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import * as eases from 'svelte/easing';
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const processed_eases = {};
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for (const ease in eases) {
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if (ease === "linear") {
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processed_eases.linear = eases.linear;
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} else {
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const name = ease.replace(/In$|InOut$|Out$/, '');
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const type = ease.match(/In$|InOut$|Out$/)[0];
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if (!(name in processed_eases)) processed_eases[name] = {};
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processed_eases[name][type] = {};
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processed_eases[name][type].fn = eases[ease];
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let shape = 'M0 1000';
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for (let i = 1; i <= 1000; i++) {
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shape = `${shape} L${(i / 1000) * 1000} ${1000 - eases[ease](i / 1000) * 1000} `;
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processed_eases[name][type].shape = shape;
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}
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}
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}
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const sorted_eases = new Map([
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['sine', processed_eases.sine],
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['quad', processed_eases.quad],
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['cubic', processed_eases.cubic],
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['quart', processed_eases.quart],
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['quint', processed_eases.quint],
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['expo', processed_eases.expo],
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['circ', processed_eases.circ],
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['back', processed_eases.back],
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['elastic', processed_eases.elastic],
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['bounce', processed_eases.bounce],
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]);
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export const types = [
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['Ease In', 'In'],
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['Ease Out', 'Out'],
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['Ease In Out', 'InOut']
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];
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export { sorted_eases as eases };
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@ -0,0 +1,3 @@
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{
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"title": "Ease Visualiser"
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}
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@ -0,0 +1,3 @@
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{
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"title": "Easing"
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}
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