modelscript/extensions/vscode/src/webview/gcodeWebview.tsx at main · modelscript/modelscript · GitHub

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import { Html, OrbitControls, useProgress } from "@react-three/drei";

import { Canvas, useFrame } from "@react-three/fiber";

import React, { Suspense, useEffect, useState } from "react";

import { createRoot } from "react-dom/client";

import * as THREE from "three";

import { GCodeLoader } from "three/examples/jsm/loaders/GCodeLoader.js";

// @ts-expect-error acquireVsCodeApi is injected

const vscode = (window as unknown as { acquireVsCodeApi?: () => unknown }).acquireVsCodeApi?.();

function Loader() {

const { progress } = useProgress();

return (

<div

style={{ display: "flex", flexDirection: "column", alignItems: "center", color: "var(--vscode-foreground)" }}

<div style={{ marginTop: "8px" }}>{progress.toFixed(0)}% loaded</div>

</div>

</Html>

);

}

function GCodeApp() {

const [object, setObject] = useState<THREE.Group | null>(null);

const [error] = useState<string | null>(null);

const [isPlaying, setIsPlaying] = useState(true);

// Create a mutable ref to hold progress

const progressRef = React.useRef(0);

// Throttle syncing this state occasionally so the slider can update

const [sliderValue, setSliderValue] = useState(0);

useEffect(() => {

const handleMessage = (event: MessageEvent) => {

const message = event.data;

if (message.type === "gcodeData") {

try {

const loader = new GCodeLoader();

const obj = loader.parse(message.data);

// Center the geometry

const box = new THREE.Box3().setFromObject(obj);

const center = new THREE.Vector3();

box.getCenter(center);

obj.position.sub(center);

// Scale it to fit nicely within standard camera range if it's too big

const size = new THREE.Vector3();

box.getSize(size);

const maxDim = Math.max(size.x, size.y, size.z);

if (maxDim > 0) {

const scale = 50 / maxDim;

obj.scale.setScalar(scale);

}

setObject(obj);

} catch (err: unknown) {

vscode.postMessage({ type: "error", message: err instanceof Error ? err.message : "Failed to parse GCode" });

}

};

window.addEventListener("message", handleMessage);

// @ts-expect-error acquireVsCodeApi is injected

vscode?.postMessage({ type: "ready" });

return () => {

window.removeEventListener("message", handleMessage);

};

}, []);

if (error) {

return <div style={{ padding: "20px", color: "var(--vscode-errorForeground)" }}>Error: {error}</div>;

}

if (!object) {

return (

<div

style={{

display: "flex",

height: "100vh",

justifyContent: "center",

alignItems: "center",

color: "var(--vscode-foreground)",

}}

<span style={{ marginLeft: "10px" }}>Parsing GCode...</span>

</div>

);

}

return (

<AnimatedGCode

object={object}

isPlaying={isPlaying}

progressRef={progressRef}

onProgressUpdate={setSliderValue}

</Suspense>

</Canvas>

{/* Animation Controls Overlay */}

<div

style={{

position: "absolute",

bottom: "20px",

left: "50%",

transform: "translateX(-50%)",

display: "flex",

alignItems: "center",

backgroundColor: "var(--vscode-editorWidget-background, #252526)",

border: "1px solid var(--vscode-editorWidget-border, #454545)",

boxShadow: "0 4px 6px rgba(0, 0, 0, 0.3)",

borderRadius: "8px",

padding: "8px 16px",

gap: "12px",

width: "80%",

maxWidth: "400px",

}}

<button

onClick={() => setIsPlaying(!isPlaying)}

style={{

background: "none",

border: "none",

color: "var(--vscode-button-foreground, #ffffff)",

cursor: "pointer",

fontSize: "16px",

display: "flex",

alignItems: "center",

justifyContent: "center",

width: "32px",

height: "32px",

borderRadius: "4px",

backgroundColor: "var(--vscode-button-background, #0e639c)",

}}

aria-label={isPlaying ? "Pause" : "Play"}

{isPlaying ? "⏸" : "▶"}

</button>

<input

type="range"

min="0"

max="1"

step="0.001"

value={sliderValue}

onChange={(e) => {

const val = parseFloat(e.target.value);

progressRef.current = val;

setSliderValue(val);

}}

style={{ flexGrow: 1, cursor: "pointer" }}

</div>

);

}

// Extracted inner component to use useFrame hook

function AnimatedGCode({

object,

isPlaying,

progressRef,

onProgressUpdate,

}: {

object: THREE.Group;

isPlaying: boolean;

progressRef: React.MutableRefObject<number>;

onProgressUpdate: (val: number) => void;

}) {

const lastUpdateRef = React.useRef(0);

useFrame((_state, delta) => {

if (isPlaying) {

// 20 seconds for full animation

progressRef.current += delta * 0.05;

if (progressRef.current >= 1) {

progressRef.current = 1;

}

// Throttle state updates to avoid excessive re-renders (e.g., 10 times a second)

const now = performance.now();

if (now - lastUpdateRef.current > 100) {

onProgressUpdate(progressRef.current);

lastUpdateRef.current = now;

}

let totalVertices = 0;

// eslint-disable-next-line @typescript-eslint/no-explicit-any

object.traverse((child: any) => {

if ((child.isLine || child.isLineSegments) && child.geometry?.attributes?.position) {

totalVertices += child.geometry.attributes.position.count;

}

});

let currentVertices = Math.floor(totalVertices * progressRef.current);

// eslint-disable-next-line @typescript-eslint/no-explicit-any

object.traverse((child: any) => {

if ((child.isLine || child.isLineSegments) && child.geometry?.attributes?.position) {

const count = child.geometry.attributes.position.count;

if (currentVertices >= count) {

child.geometry.setDrawRange(0, count);

currentVertices -= count;

} else if (currentVertices > 0) {

child.geometry.setDrawRange(0, currentVertices);

currentVertices = 0;

} else {

child.geometry.setDrawRange(0, 0);

}

});

return <primitive object={object} />;

}

const rootElement = document.getElementById("root");

if (rootElement) {

const root = createRoot(rootElement);

root.render(<GCodeApp />);

}

modelscript/extensions/vscode/src/webview/gcodeWebview.tsx at main · modelscript/modelscript · GitHub

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modelscript/extensions/vscode/src/webview/gcodeWebview.tsx at main · modelscript/modelscript · GitHub

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