RepliCAD

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import opencascade from "replicad-opencascadejs/src/replicad_single.js";
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import opencascadeWasm from "replicad-opencascadejs/src/replicad_single.wasm?url";
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import { setOC } from "replicad";
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import { expose } from "comlink";
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// We import our model as a simple function
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import { drawBox } from "./cad";
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// This is the logic to load the web assembly code into replicad
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let loaded = false;
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const init = async () => {
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  if (loaded) return Promise.resolve(true);
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  const OC = await opencascade({
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    locateFile: () => opencascadeWasm,
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  });
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  loaded = true;
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  setOC(OC);
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  return true;
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};
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const started = init();
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function createBlob(thickness) {
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  // note that you might want to do some caching for more complex models
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  return started.then(() => {
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    return drawBox(thickness).blobSTL();
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  });
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}
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function createMesh(thickness) {
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  return started.then(() => {
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    const box = drawBox(thickness);
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    // This is how you get the data structure that the replica-three-helper
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    // can synchronise with three BufferGeometry
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    return {
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      faces: box.mesh(),
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      edges: box.meshEdges(),
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    };
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  });
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}
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// comlink is great to expose your functions within the worker as a simple API
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// to your app.
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expose({ createBlob, createMesh });
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