@motion-core/motion-gpu/dist/svelte/use-pointer.js

Framework-agnostic WebGPU runtime for fullscreen WGSL shaders with explicit Svelte, React, and Vue adapter entrypoints.

import { createPointerController } from "../core/pointer.js";
import { useMotionGPU } from "./motiongpu-context.js";
import { watchPointerOptions } from "./pointer-options.svelte.js";
import { onMount } from "svelte";
//#region src/lib/svelte/use-pointer.ts
function resolveOptions(source) {
	return typeof source === "function" ? source() : source;
}
/**
* Tracks normalized pointer coordinates and click/tap snapshots for the active `FragCanvas`.
*/
function usePointer(options = {}) {
	const motiongpu = useMotionGPU();
	const controller = createPointerController({
		getRenderMode: () => motiongpu.renderMode.current,
		invalidate: motiongpu.invalidate,
		advance: motiongpu.advance
	}, resolveOptions(options));
	watchPointerOptions(() => {
		controller.updateOptions(resolveOptions(options));
	});
	onMount(() => {
		const canvas = motiongpu.canvas;
		if (!canvas) return;
		controller.mount(canvas);
		return controller.destroy;
	});
	return controller;
}
//#endregion
export { usePointer };

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