examples: Add game example

References: * PR: https://github.com/yagop/node-telegram-bot-api/pull/342 * PR-by: @MCSH
9 years ago · a3268164f5
parent 54391e76a0
commit a3268164f5
3 changed files with 194 additions and 0 deletions
--- a/examples/expressWebhook.js
+++ b/examples/expressWebhook.js
@ -2,6 +2,7 @@
 * This example demonstrates setting up a webook, and receiving
 * updates in your express app
 */
+/* eslint-disable no-console */

 const TOKEN = process.env.TELEGRAM_TOKEN || 'YOUR_TELEGRAM_BOT_TOKEN';
 const url = 'https://<PUBLIC-URL>';
--- a/examples/game/game.html
+++ b/examples/game/game.html
@ -0,0 +1,140 @@
+<!-- Game example taken from w3schools (https://www.w3schools.com/graphics/game_intro.asp) -->
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+    <style>
+    body {
+      font-family: 'Courier ';
+      text-align: center;
+    }
+    canvas {
+      border:1px solid #d3d3d3;
+      background-color: #f1f1f1;
+    }
+    </style>
+  </head>
+  <body onload="startGame()">
+    <p><button onmousedown="accelerate(-0.2)" onmouseup="accelerate(0.05)">ACCELERATE</button></p>
+    <p>Use the ACCELERATE button to stay in the air</p>
+    <p>How long can you stay alive?</p>
+    <script>
+var myGamePiece;
+var myObstacles = [];
+var myScore;
+
+function startGame() {
+    myGamePiece = new component(30, 30, "red", 10, 120);
+    myGamePiece.gravity = 0.05;
+    myScore = new component("30px", "Consolas", "black", 280, 40, "text");
+    myGameArea.start();
+}
+
+var myGameArea = {
+    canvas : document.createElement("canvas"),
+    start : function() {
+        this.canvas.width = 480;
+        this.canvas.height = 270;
+        this.context = this.canvas.getContext("2d");
+        document.body.insertBefore(this.canvas, document.body.childNodes[0]);
+        this.frameNo = 0;
+        this.interval = setInterval(updateGameArea, 20);
+        },
+    clear : function() {
+        this.context.clearRect(0, 0, this.canvas.width, this.canvas.height);
+    }
+}
+
+function component(width, height, color, x, y, type) {
+    this.type = type;
+    this.score = 0;
+    this.width = width;
+    this.height = height;
+    this.speedX = 0;
+    this.speedY = 0;
+    this.x = x;
+    this.y = y;
+    this.gravity = 0;
+    this.gravitySpeed = 0;
+    this.update = function() {
+        ctx = myGameArea.context;
+        if (this.type == "text") {
+            ctx.font = this.width + " " + this.height;
+            ctx.fillStyle = color;
+            ctx.fillText(this.text, this.x, this.y);
+        } else {
+            ctx.fillStyle = color;
+            ctx.fillRect(this.x, this.y, this.width, this.height);
+        }
+    }
+    this.newPos = function() {
+        this.gravitySpeed += this.gravity;
+        this.x += this.speedX;
+        this.y += this.speedY + this.gravitySpeed;
+        this.hitBottom();
+    }
+    this.hitBottom = function() {
+        var rockbottom = myGameArea.canvas.height - this.height;
+        if (this.y > rockbottom) {
+            this.y = rockbottom;
+            this.gravitySpeed = 0;
+        }
+    }
+    this.crashWith = function(otherobj) {
+        var myleft = this.x;
+        var myright = this.x + (this.width);
+        var mytop = this.y;
+        var mybottom = this.y + (this.height);
+        var otherleft = otherobj.x;
+        var otherright = otherobj.x + (otherobj.width);
+        var othertop = otherobj.y;
+        var otherbottom = otherobj.y + (otherobj.height);
+        var crash = true;
+        if ((mybottom < othertop) || (mytop > otherbottom) || (myright < otherleft) || (myleft > otherright)) {
+            crash = false;
+        }
+        return crash;
+    }
+}
+
+function updateGameArea() {
+    var x, height, gap, minHeight, maxHeight, minGap, maxGap;
+    for (i = 0; i < myObstacles.length; i += 1) {
+        if (myGamePiece.crashWith(myObstacles[i])) {
+            return;
+        }
+    }
+    myGameArea.clear();
+    myGameArea.frameNo += 1;
+    if (myGameArea.frameNo == 1 || everyinterval(150)) {
+        x = myGameArea.canvas.width;
+        minHeight = 20;
+        maxHeight = 200;
+        height = Math.floor(Math.random()*(maxHeight-minHeight+1)+minHeight);
+        minGap = 50;
+        maxGap = 200;
+        gap = Math.floor(Math.random()*(maxGap-minGap+1)+minGap);
+        myObstacles.push(new component(10, height, "green", x, 0));
+        myObstacles.push(new component(10, x - height - gap, "green", x, height + gap));
+    }
+    for (i = 0; i < myObstacles.length; i += 1) {
+        myObstacles[i].x += -1;
+        myObstacles[i].update();
+    }
+    myScore.text="SCORE: " + myGameArea.frameNo;
+    myScore.update();
+    myGamePiece.newPos();
+    myGamePiece.update();
+}
+
+function everyinterval(n) {
+    if ((myGameArea.frameNo / n) % 1 == 0) {return true;}
+    return false;
+}
+
+function accelerate(n) {
+    myGamePiece.gravity = n;
+}
+    </script>
+  </body>
+</html>
--- a/examples/game/game.js
+++ b/examples/game/game.js
@ -0,0 +1,53 @@
+/**
+ * This example demonstrates using HTML5 games with Telegram.
+ */
+/* eslint-disable no-console */
+
+const TOKEN = process.env.TELEGRAM_TOKEN || 'YOUR_TELEGRAM_BOT_TOKEN';
+const gameName = process.env.TELEGRAM_GAMENAME || 'YOUR_TELEGRAM_GAMENAME';
+// Specify '0' to use ngrok i.e. localhost tunneling
+let url = process.env.URL || 'https://<PUBLIC-URL>';
+const port = process.env.PORT || 8080;
+
+const TelegramBot = require('../..');
+const express = require('express');
+const path = require('path');
+
+const bot = new TelegramBot(TOKEN, { polling: true });
+const app = express();
+
+// Basic configurations
+app.set('view engine', 'ejs');
+
+// Tunnel to localhost.
+// This is just for demo purposes.
+// In your application, you will be using a static URL, probably that
+// you paid for. :)
+if (url === '0') {
+  const ngrok = require('ngrok');
+  ngrok.connect(port, function onConnect(error, u) {
+    if (error) throw error;
+    url = u;
+    console.log(`Game tunneled at ${url}`);
+  });
+}
+
+// Matches /start
+bot.onText(/\/start/, function onPhotoText(msg) {
+  bot.sendGame(msg.chat.id, gameName);
+});
+
+// Handle callback queries
+bot.on('callback_query', function onCallbackQuery(callbackQuery) {
+  bot.answerCallbackQuery(callbackQuery.id, url, true, { url });
+});
+
+// Render the HTML game
+app.get('/', function requestListener(req, res) {
+  res.sendFile(path.join(__dirname, 'game.html'));
+});
+
+// Bind server to port
+app.listen(port, function listen() {
+  console.log(`Server is listening at http://localhost:${port}`);
+});