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Examples

App.svelte
<script>
	import { spring } from 'svelte/motion';

	let coords = spring({ x: 50, y: 50 }, {
		stiffness: 0.1,
		damping: 0.25
	});

	let size = spring(10);
</script>

<div style="position: absolute; right: 1em;">
	<label>
		<h3>stiffness ({coords.stiffness})</h3>
		<input bind:value={coords.stiffness} type="range" min="0" max="1" step="0.01">
	</label>

	<label>
		<h3>damping ({coords.damping})</h3>
		<input bind:value={coords.damping} type="range" min="0" max="1" step="0.01">
	</label>
</div>

<svg
	on:mousemove="{e => coords.set({ x: e.clientX, y: e.clientY })}"
	on:mousedown="{() => size.set(30)}"
	on:mouseup="{() => size.set(10)}"
>
	<circle cx={$coords.x} cy={$coords.y} r={$size}/>
</svg>

<style>
	svg { width: 100%; height: 100%; margin: -8px }
	circle { fill: #ff3e00 }
</style>
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Console

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Compiler options

result = svelte.compile(source, {
generate:
});
 
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