commit 686c30808e621b6380a4cf3e092a4bde3bec0214 Author: abearxiong Date: Sat Apr 19 13:42:24 2025 +0800 test diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..c2658d7 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +node_modules/ diff --git a/examples/images/lime-cat.jpg b/examples/images/lime-cat.jpg new file mode 100644 index 0000000..5db7f2c Binary files /dev/null and b/examples/images/lime-cat.jpg differ diff --git a/output.png b/output.png new file mode 100644 index 0000000..0635c3b Binary files /dev/null and b/output.png differ diff --git a/package.json b/package.json new file mode 100644 index 0000000..81c6978 --- /dev/null +++ b/package.json @@ -0,0 +1,30 @@ +{ + "name": "test-node-sdl2", + "version": "0.0.1", + "description": "", + "main": "index.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1" + }, + "keywords": [], + "author": "abearxiong (https://www.xiongxiao.me)", + "license": "MIT", + "packageManager": "pnpm@10.6.2", + 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bytes: 3.1.2 + http-errors: 2.0.0 + iconv-lite: 0.6.3 + unpipe: 1.0.0 + + rc@1.2.8: + dependencies: + deep-extend: 0.6.0 + ini: 1.3.8 + minimist: 1.2.8 + strip-json-comments: 2.0.1 + + readable-stream@3.6.2: + dependencies: + inherits: 2.0.4 + string_decoder: 1.3.0 + util-deprecate: 1.0.2 + + router@2.2.0: + dependencies: + debug: 4.4.0 + depd: 2.0.0 + is-promise: 4.0.0 + parseurl: 1.3.3 + path-to-regexp: 8.2.0 + transitivePeerDependencies: + - supports-color + + safe-buffer@5.2.1: {} + + safer-buffer@2.1.2: {} + + semver@7.7.1: {} + + send@1.2.0: + dependencies: + debug: 4.4.0 + encodeurl: 2.0.0 + escape-html: 1.0.3 + etag: 1.8.1 + fresh: 2.0.0 + http-errors: 2.0.0 + mime-types: 3.0.1 + ms: 2.1.3 + on-finished: 2.4.1 + range-parser: 1.2.1 + statuses: 2.0.1 + transitivePeerDependencies: + - supports-color + + serve-static@2.2.0: + dependencies: + encodeurl: 2.0.0 + escape-html: 1.0.3 + parseurl: 1.3.3 + send: 1.2.0 + transitivePeerDependencies: + - supports-color + + setprototypeof@1.2.0: {} + + side-channel-list@1.0.0: + dependencies: + es-errors: 1.3.0 + object-inspect: 1.13.4 + + side-channel-map@1.0.1: + dependencies: + call-bound: 1.0.4 + es-errors: 1.3.0 + get-intrinsic: 1.3.0 + object-inspect: 1.13.4 + + side-channel-weakmap@1.0.2: + dependencies: + call-bound: 1.0.4 + es-errors: 1.3.0 + get-intrinsic: 1.3.0 + object-inspect: 1.13.4 + side-channel-map: 1.0.1 + + side-channel@1.1.0: + dependencies: + es-errors: 1.3.0 + object-inspect: 1.13.4 + side-channel-list: 1.0.0 + side-channel-map: 1.0.1 + side-channel-weakmap: 1.0.2 + + simple-concat@1.0.1: {} + + simple-get@4.0.1: + dependencies: + decompress-response: 6.0.0 + once: 1.4.0 + simple-concat: 1.0.1 + + socket.io-adapter@2.5.5: + dependencies: + debug: 4.3.7 + ws: 8.17.1 + transitivePeerDependencies: + - bufferutil + - supports-color + - utf-8-validate + + socket.io-parser@4.2.4: + dependencies: + '@socket.io/component-emitter': 3.1.2 + debug: 4.3.7 + transitivePeerDependencies: + - supports-color + + socket.io@4.8.1: + dependencies: + accepts: 1.3.8 + base64id: 2.0.0 + cors: 2.8.5 + debug: 4.3.7 + engine.io: 6.6.4 + socket.io-adapter: 2.5.5 + socket.io-parser: 4.2.4 + transitivePeerDependencies: + - bufferutil + - supports-color + - utf-8-validate + + statuses@2.0.1: {} + + string_decoder@1.3.0: + dependencies: + safe-buffer: 5.2.1 + + strip-json-comments@2.0.1: {} + + tar-fs@2.1.2: + dependencies: + chownr: 1.1.4 + mkdirp-classic: 0.5.3 + pump: 3.0.2 + tar-stream: 2.2.0 + + tar-stream@2.2.0: + dependencies: + bl: 4.1.0 + end-of-stream: 1.4.4 + fs-constants: 1.0.0 + inherits: 2.0.4 + readable-stream: 3.6.2 + + toidentifier@1.0.1: {} + + tunnel-agent@0.6.0: + dependencies: + safe-buffer: 5.2.1 + + type-is@2.0.1: + dependencies: + content-type: 1.0.5 + media-typer: 1.1.0 + mime-types: 3.0.1 + + undici-types@6.21.0: {} + + unpipe@1.0.0: {} + + util-deprecate@1.0.2: {} + + vary@1.1.2: {} + + wrappy@1.0.2: {} + + ws@8.17.1: {} diff --git a/src/2d/canvas.ts b/src/2d/canvas.ts new file mode 100644 index 0000000..dae2c6d --- /dev/null +++ b/src/2d/canvas.ts @@ -0,0 +1,30 @@ +import { createCanvas, loadImage } from 'canvas'; +import * as fs from 'fs'; + +const canvas = createCanvas(200, 200); +const ctx = canvas.getContext('2d'); + +// Write "Awesome!" +ctx.font = '30px Impact'; +ctx.rotate(0.1); +ctx.fillText('Awesome!', 50, 100); + +// Draw line under text +var text = ctx.measureText('Awesome!'); +ctx.strokeStyle = 'rgba(0,0,0,0.5)'; +ctx.beginPath(); +ctx.lineTo(50, 102); +ctx.lineTo(50 + text.width, 102); +ctx.stroke(); + +// Draw cat with lime helmet +const main = async () => { + const image = await loadImage('examples/images/lime-cat.jpg'); + ctx.drawImage(image, 50, 0, 70, 70); + console.log(''); + + // Save to file + fs.writeFileSync('output.png', canvas.toBuffer()); +}; + +main(); diff --git a/ws/public/index.html b/ws/public/index.html new file mode 100644 index 0000000..7c58f54 --- /dev/null +++ b/ws/public/index.html @@ -0,0 +1,41 @@ + + + + + 3D 可视化 + + + + + + + + \ No newline at end of file diff --git a/ws/server.ts b/ws/server.ts new file mode 100644 index 0000000..89c3e0f --- /dev/null +++ b/ws/server.ts @@ -0,0 +1,54 @@ +// server.js +import express from 'express'; +const app = express(); +import http from 'http'; +import { Server } from 'socket.io'; +// const http = require('http').createServer(app); +const httpServer = http.createServer(app); +const io = new Server(httpServer); + +// 提供静态网页 +app.use(express.static('public')); + +// 3D 数据生成逻辑 +function generate3DData() { + return { + vertices: [ + /* 3D 顶点数据 */ + ], + colors: [ + /* 颜色数据 */ + ], + }; +} +function generate3DData2() { + // 创建一个包含 1000 个随机点的数组 + const points: any = []; + for (let i = 0; i < 1000; i++) { + points.push([Math.random() * 2000 - 1000, Math.random() * 2000 - 1000, Math.random() * 2000 - 1000]); + } + return { + vertices: points, + colors: points.map(() => [1, 1, 1, 1]), + }; +} + +// WebSocket 通信 +io.on('connection', (socket) => { + console.log('客户端已连接'); + + // 每帧发送数据 (60fps) + // const interval = setInterval(() => { + // socket.emit('frame', generate3DData()); + // }, 16); + const interval = setInterval(() => { + socket.emit('frame', generate3DData()); + }, 2000); + socket.on('disconnect', () => { + clearInterval(interval); + }); +}); + +httpServer.listen(3003, () => { + console.log('服务已启动: http://localhost:3003'); +});