Litegraph.js 项目教程

Litegraph.js 项目教程

【免费下载链接】litegraph.js A graph node engine and editor written in Javascript similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D. The engine can run client side or server side using Node. It allows to export graphs as JSONs to be included in applications independently. 【免费下载链接】litegraph.js 项目地址: https://gitcode.com/gh_mirrors/li/litegraph.js

1. 项目的目录结构及介绍

Litegraph.js 是一个用于在网页上创建模块化图形的库。以下是项目的目录结构及其介绍:

litegraph.js/
├── build/
│   ├── litegraph.js
│   └── litegraph.min.js
├── css/
│   └── litegraph.css
├── docs/
│   └── ...
├── examples/
│   └── ...
├── guides/
│   └── README.md
├── src/
│   └── ...
├── test/
│   └── ...
├── .gitignore
├── LICENSE
├── README.md
└── package.json
  • build/: 包含编译后的 JavaScript 文件,包括 litegraph.js 和压缩版本 litegraph.min.js
  • css/: 包含项目的样式文件 litegraph.css
  • docs/: 包含项目的文档文件。
  • examples/: 包含示例代码,展示如何使用 Litegraph.js。
  • guides/: 包含使用指南和教程。
  • src/: 包含项目的源代码。
  • test/: 包含测试文件。
  • .gitignore: Git 忽略文件。
  • LICENSE: 项目的许可证。
  • README.md: 项目的主 README 文件。
  • package.json: 项目的配置文件,包含依赖项、脚本等信息。

2. 项目的启动文件介绍

Litegraph.js 的启动文件主要是 src/litegraph.js。这个文件是库的核心,包含了所有模块和功能的实现。要启动项目,通常需要在 HTML 文件中引入这个 JavaScript 文件。

<!DOCTYPE html>
<html>
<head>
    <link rel="stylesheet" type="text/css" href="css/litegraph.css">
    <script type="text/javascript" src="build/litegraph.js"></script>
</head>
<body style='width:100%; height:100%'>
    <canvas id='mycanvas' width='1024' height='720' style='border: 1px solid'></canvas>
    <script>
        var graph = new LGraph();
        var canvas = new LGraphCanvas("#mycanvas", graph);
        var node_const = LiteGraph.createNode("basic/const");
        node_const.pos = [200, 200];
        graph.add(node_const);
        node_const.setValue(4.5);
        var node_watch = LiteGraph.createNode("basic/watch");
        node_watch.pos = [700, 200];
        graph.add(node_watch);
        node_const.connect(0, node_watch, 0);
        graph.start();
    </script>
</body>
</html>

3. 项目的配置文件介绍

Litegraph.js 的配置文件主要是 package.json。这个文件包含了项目的元数据和依赖项。以下是 package.json 的一个示例:

{
  "name": "litegraph.js",
  "version": "0.7.0",
  "description": "A library in Javascript to create graphs in the browser similar to Unreal Blueprints, it uses a canvas to draw the nodes and links.",
  "main": "build/litegraph.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "build": "webpack",
    "watch": "webpack --watch"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/jagenjo/litegraph.js.git"
  },
  "keywords": [
    "graph",
    "nodes",
    "canvas",
    "webgl",
    "workflow",
    "flowchart"
  ],
  "author": "Javi Agenjo <javi.agenjo@gmail.com>",
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/jagenjo/litegraph.js/issues"
  },
  "homepage": "https://github.com/jagenjo/litegraph.js#readme",
  "dev

【免费下载链接】litegraph.js A graph node engine and editor written in Javascript similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D. The engine can run client side or server side using Node. It allows to export graphs as JSONs to be included in applications independently. 【免费下载链接】litegraph.js 项目地址: https://gitcode.com/gh_mirrors/li/litegraph.js

创作声明:本文部分内容由AI辅助生成(AIGC),仅供参考

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