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}`);
 });