ssitvit · panwar8279 · Aug 7, 2023 · Jun 27, 2023
diff --git a/src/Games/Piano_Playing_Game/.gitignore b/src/Games/Piano_Playing_Game/.gitignore
@@ -0,0 +1,25 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+.eslintcache
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
diff --git a/src/Games/Piano_Playing_Game/README.md b/src/Games/Piano_Playing_Game/README.md
@@ -0,0 +1,21 @@
+# README
+
+## Setup
+
+Getting started with this project is very easy. Run:
+
+```
+npm install
+npm start
+```
+
+If you get a `react-scripts start` error, then remove the `node_modules`
+folder and re-run the two commands in the code block.
+
+## Demo
+
+#### Piano UI
+<div class="flex flex-row">
+  <img src="./img/piano_0.png" width="400">
+  <img src="./img/piano_2.png" width="400">
+</div>
diff --git a/src/Games/Piano_Playing_Game/img/piano_0.png b/src/Games/Piano_Playing_Game/img/piano_0.png
diff --git a/src/Games/Piano_Playing_Game/img/piano_1.png b/src/Games/Piano_Playing_Game/img/piano_1.png
diff --git a/src/Games/Piano_Playing_Game/img/piano_2.png b/src/Games/Piano_Playing_Game/img/piano_2.png
diff --git a/src/Games/Piano_Playing_Game/package-lock.json b/src/Games/Piano_Playing_Game/package-lock.json
diff --git a/src/Games/Piano_Playing_Game/package.json b/src/Games/Piano_Playing_Game/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "piano",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@testing-library/jest-dom": "^5.11.8",
+    "@testing-library/react": "^11.2.2",
+    "@testing-library/user-event": "^12.6.0",
+    "react": "^17.0.1",
+    "react-dom": "^17.0.1",
+    "react-scripts": "4.0.1",
+    "web-vitals": "^0.2.4"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}
diff --git a/src/Games/Piano_Playing_Game/public/favicon.ico b/src/Games/Piano_Playing_Game/public/favicon.ico
diff --git a/src/Games/Piano_Playing_Game/public/index.html b/src/Games/Piano_Playing_Game/public/index.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+  </body>
+</html>
diff --git a/src/Games/Piano_Playing_Game/public/logo192.png b/src/Games/Piano_Playing_Game/public/logo192.png
diff --git a/src/Games/Piano_Playing_Game/public/logo512.png b/src/Games/Piano_Playing_Game/public/logo512.png
diff --git a/src/Games/Piano_Playing_Game/public/manifest.json b/src/Games/Piano_Playing_Game/public/manifest.json
@@ -0,0 +1,25 @@
+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}
diff --git a/src/Games/Piano_Playing_Game/public/notes/a.mp3 b/src/Games/Piano_Playing_Game/public/notes/a.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/af.mp3 b/src/Games/Piano_Playing_Game/public/notes/af.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/b.mp3 b/src/Games/Piano_Playing_Game/public/notes/b.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/bf.mp3 b/src/Games/Piano_Playing_Game/public/notes/bf.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/c.mp3 b/src/Games/Piano_Playing_Game/public/notes/c.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/d.mp3 b/src/Games/Piano_Playing_Game/public/notes/d.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/df.mp3 b/src/Games/Piano_Playing_Game/public/notes/df.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/e.mp3 b/src/Games/Piano_Playing_Game/public/notes/e.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/ef.mp3 b/src/Games/Piano_Playing_Game/public/notes/ef.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/f.mp3 b/src/Games/Piano_Playing_Game/public/notes/f.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/g.mp3 b/src/Games/Piano_Playing_Game/public/notes/g.mp3
diff --git a/src/Games/Piano_Playing_Game/public/notes/gf.mp3 b/src/Games/Piano_Playing_Game/public/notes/gf.mp3
diff --git a/src/Games/Piano_Playing_Game/public/robots.txt b/src/Games/Piano_Playing_Game/public/robots.txt
@@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:
diff --git a/src/Games/Piano_Playing_Game/src/App.css b/src/Games/Piano_Playing_Game/src/App.css
@@ -0,0 +1,38 @@
+.App {
+  text-align: center;
+}
+
+.App-logo {
+  height: 40vmin;
+  pointer-events: none;
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .App-logo {
+    animation: App-logo-spin infinite 20s linear;
+  }
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}
diff --git a/src/Games/Piano_Playing_Game/src/App.js b/src/Games/Piano_Playing_Game/src/App.js
@@ -0,0 +1,14 @@
+import './App.css';
+import { Piano } from './components/Piano.js';
+
+function App() {
+  return (
+    <div className="App">
+      <header className="App-header">
+        <Piano />
+      </header>
+    </div>
+  );
+}
+
+export default App;
diff --git a/src/Games/Piano_Playing_Game/src/components/Key.css b/src/Games/Piano_Playing_Game/src/components/Key.css
@@ -0,0 +1,29 @@
+.key {
+  background-color: white;
+  height: 300px;
+  width: 60px;
+  border: 2px solid black;
+}
+
+.key.flat {
+  position: relative;
+  background-color: black;
+  margin-left: -17px;
+  margin-right: -17px;
+  height: 200px;
+  width: 30px;
+  z-index: 2;
+}
+
+.key.pressed, .key.flat.pressed {
+  background-color: #00d8ff;
+}
+
+.key-text {
+  position: relative;
+  color: black;
+  font-weight: 600;
+  font-size: 36px;
+  margin-top: 240px;
+  pointer-events: none;
+}
diff --git a/src/Games/Piano_Playing_Game/src/components/Key.js b/src/Games/Piano_Playing_Game/src/components/Key.js
@@ -0,0 +1,41 @@
+import _ from 'lodash';
+import React from 'react';
+
+import './Key.css';
+import { NOTE_TO_KEY } from '../global/constants';
+
+class Key extends React.Component {
+  noteIsFlat = (note) => {
+    return note.length > 1;
+  }
+
+  keyIsPressed = (note, pressedKeys) => {
+    return _.includes(pressedKeys, NOTE_TO_KEY[note]);
+  }
+
+  render() {
+    let keyClassName = "key";
+    const noteIsFlat = this.noteIsFlat(this.props.note);
+    const keyIsPressed = this.keyIsPressed(this.props.note, this.props.pressedKeys);
+    if (noteIsFlat) {
+      keyClassName += " flat";
+    }
+    if (keyIsPressed) {
+      keyClassName += " pressed";
+    }
+
+    let key;
+    if (noteIsFlat) {
+      key = <div className={keyClassName}></div>;
+    } else {
+      key = (
+        <div className={keyClassName}>
+          <div className="key-text">{this.props.note.toUpperCase()}</div>
+        </div>
+      );
+    }
+    return key;
+  }
+}
+
+export { Key };
diff --git a/src/Games/Piano_Playing_Game/src/components/Piano.css b/src/Games/Piano_Playing_Game/src/components/Piano.css
@@ -0,0 +1,4 @@
+.piano {
+  display: flex;
+  flex-direction: row;
+}
diff --git a/src/Games/Piano_Playing_Game/src/components/Piano.js b/src/Games/Piano_Playing_Game/src/components/Piano.js
@@ -0,0 +1,90 @@
+import _ from 'lodash';
+import React from 'react';
+
+import './Piano.css';
+import { Key } from './Key.js'
+import {
+  NOTES,
+  VALID_KEYS,
+  KEY_TO_NOTE,
+} from '../global/constants';
+
+class Piano extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      pressedKeys: [],
+    };
+  }
+
+  playNote = (note) => {
+    if (!_.isEmpty(note)) {
+      const noteAudio = new Audio(document.getElementById(note).src);
+      noteAudio.play();
+    }
+  }
+
+  handleKeyDown = (event) => {
+    if (event.repeat) {
+      return;
+    }
+    const key = event.key;
+    const updatedPressedKeys = [...this.state.pressedKeys];
+    if (!updatedPressedKeys.includes(key) && VALID_KEYS.includes(key)) {
+      updatedPressedKeys.push(key);
+    }
+    this.setState({
+      pressedKeys: updatedPressedKeys,
+    });
+    this.playNote(KEY_TO_NOTE[key]);
+  }
+
+  handleKeyUp = (event) => {
+    const index = this.state.pressedKeys.indexOf(event.key);
+    if (index > -1) {
+      this.setState(state => ({
+        pressedKeys: state.pressedKeys.splice(index, 1)
+      }));
+    }
+  }
+
+  componentDidMount = () => {
+    window.addEventListener('keydown', this.handleKeyDown);
+    window.addEventListener('keyup', this.handleKeyUp);
+  }
+
+  render() {
+    const keys = _.map(NOTES, (note, index) => {
+      return (
+        <Key
+          key={index}
+          note={note}
+          pressedKeys={this.state.pressedKeys}
+        />
+      );
+    });
+
+    const audioFiles = _.map(NOTES, (note, index) => {
+      return (
+        <audio
+          id={note}
+          key={index}
+          src={`../../notes/${note}.mp3`}
+        />
+      );
+    });
+
+    return (
+      <div>
+        <div className="piano">
+          {keys}
+        </div>
+        <div>
+          {audioFiles}
+        </div>
+      </div>
+    );
+  }
+}
+
+export { Piano };