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sample-text-here 2022-01-06 16:00:07 -08:00
parent 9a2082920a
commit e5430032d6
13 changed files with 688 additions and 1279 deletions
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1
.gitignore vendored Normal file
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node_modules

6
.glitch-assets
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{"name":"drag-in-files.svg","date":"2016-10-22T16:17:49.954Z","url":"https://cdn.hyperdev.com/drag-in-files.svg","type":"image/svg","size":7646,"imageWidth":276,"imageHeight":276,"thumbnail":"https://cdn.hyperdev.com/drag-in-files.svg","thumbnailWidth":276,"thumbnailHeight":276,"dominantColor":"rgb(102, 153, 205)","uuid":"adSBq97hhhpFNUna"}
{"name":"click-me.svg","date":"2016-10-23T16:17:49.954Z","url":"https://cdn.hyperdev.com/click-me.svg","type":"image/svg","size":7116,"imageWidth":276,"imageHeight":276,"thumbnail":"https://cdn.hyperdev.com/click-me.svg","thumbnailWidth":276,"thumbnailHeight":276,"dominantColor":"rgb(243, 185, 186)","uuid":"adSBq97hhhpFNUnb"}
{"name":"paste-me.svg","date":"2016-10-24T16:17:49.954Z","url":"https://cdn.hyperdev.com/paste-me.svg","type":"image/svg","size":7242,"imageWidth":276,"imageHeight":276,"thumbnail":"https://cdn.hyperdev.com/paste-me.svg","thumbnailWidth":276,"thumbnailHeight":276,"dominantColor":"rgb(42, 179, 185)","uuid":"adSBq97hhhpFNUnc"}
{"uuid":"adSBq97hhhpFNUna","deleted":true}
{"uuid":"adSBq97hhhpFNUnc","deleted":true}
{"uuid":"adSBq97hhhpFNUnb","deleted":true}

14
README.md
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# universal-whiteboard
Drawing with a twist
This is a simple drawing app using express and socket.io to let everyone share the same canvas.
- Click `shift` to draw straight lines
- Click `ctrl` to draw straight circles
- Click `alt` to draw straight rectangles
- Right click while holding a modifier to fill shape
## Made with [Glitch](https://glitch.com/)
\ ゜ o ゜)ノ

49
index.js Normal file
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// server.js
// where your node app starts
// init project
const express = require("express");
const app = express();
const rooms = new Map();
app.use(express.static(__dirname + "/public"));
app.get("/", (req, res) => {
res.sendFile(__dirname + "/views/index.html");
});
app.get("/*", (req, res) => {
res.sendFile(__dirname + "/views/board.html");
});
const server = app.listen(3000);
const io = require("socket.io")(server);
io.on("connection", (socket) => {
const room = () => [...socket.rooms][1];
const { id } = socket;
socket.on("join", (msg) => {
socket.join(msg);
if(rooms.has(msg)) {
for(let ev of rooms.get(msg)) socket.emit(...ev);
} else {
rooms.set(msg, []);
}
socket.emit("sync");
});
socket.on("sync", () => {
if(rooms.has(room())) {
for(let ev of rooms.get(room())) socket.emit(...ev);
}
socket.emit("sync");
});
socket.on("disconnect", (msg) => emit("gc", id));
socket.on("drawmove", (msg) => emit("drawmove", { ...msg, id }));
socket.on("drawstart", (msg) => emit("drawstart", { ...msg, id }));
socket.on("drawend", (msg) => emit("drawend", { ...msg, id }));
function emit(...args) {
io.to(room()).emit(...args);
if(rooms.has(room())) rooms.get(room()).push(args);
}
});

535
package-lock.json generated
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@ -1,535 +0,0 @@
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20
package.json
View file

@ -1,6 +1,6 @@
{
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"name": "multiplayer-whiteboard",
"version": "1.0.0",
"description": "A drawing program where everyone shares the same whiteboard",
"main": "server.js",
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},
"license": "MIT",
"keywords": [
"node",
"glitch",
"express",
"drawing"
]
"license": "GPL"
}

477
pnpm-lock.yaml Normal file
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49
server.js
View file

@ -1,49 +0,0 @@
// server.js
// where your node app starts
// init project
const express = require("express");
const app = express();
const rooms = new Map();
app.use(express.static(__dirname + "/public"));
app.get("/", (req, res) => {
res.sendFile(__dirname + "/views/index.html");
});
app.get("/*", (req, res) => {
res.sendFile(__dirname + "/views/board.html");
});
const server = app.listen(3000);
const io = require("socket.io")(server);
io.on("connection", (socket) => {
const room = () => [...socket.rooms][1];
const { id } = socket;
socket.on("join", (msg) => {
socket.join(msg);
if(rooms.has(msg)) {
for(let ev of rooms.get(msg)) socket.emit(...ev);
} else {
rooms.set(msg, []);
}
socket.emit("sync");
});
socket.on("sync", () => {
if(rooms.has(room())) {
for(let ev of rooms.get(room())) socket.emit(...ev);
}
socket.emit("sync");
});
socket.on("disconnect", (msg) => emit("gc", id));
socket.on("drawmove", (msg) => emit("drawmove", { ...msg, id }));
socket.on("drawstart", (msg) => emit("drawstart", { ...msg, id }));
socket.on("drawend", (msg) => emit("drawend", { ...msg, id }));
function emit(...args) {
io.to(room()).emit(...args);
if(rooms.has(room())) rooms.get(room()).push(args);
}
});

502
shrinkwrap.yaml
View file

@ -1,502 +0,0 @@
dependencies:
express: 4.17.2
socket.io: 4.4.0
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4
views/index.html
View file

@ -8,9 +8,9 @@
<link rel="stylesheet" href="/style.css" />
<style>
body {
body {
padding: 2em;
}
}
</style>
</head>
<body>