Memory Game

This application puts your memory to the test. You are presented with multiple images of celebrities. The images get shuffled every-time they are clicked. You CAN NOT click on any image more than once or else your score resets to zero. The main objective is to get the highest score as possible.

Demo

Prepare Project for Development

To create the example project for this example, open command prompt, navigate to a convenient location, and run the command as shown below :

create-react-app example7

Replace the placeholder content of App.js with given below content :

src\App.js

import React, { Component } from "react";
import CharacterCard from "./CharacterCard";
import Wrapper from "./Wrapper";
import Navbar from "./Navbar";
import Jumbotron from "./Jumbotron";
import characters from "./characters.json";
import "./App.css";

class App extends Component {
  state = {
    characters,
    highScore: 0,
    currentScore: 0,
    Clicked: false
  };

  handleClick = id => {
    this.shuffleArray();
    this.handleScore(id);
    console.log(this.state.timesClicked);
  };

  handleScore = id => {
    this.state.characters.forEach(element => {
      if (id === element.id && element.clicked === false) {
        element.clicked = true;
        this.setState({ Clicked: false });
        this.handleIncrement();
      } else if (id === element.id && element.clicked === true) {
        if (this.state.currentScore > this.state.highScore) {
          this.setState({ highScore: this.state.currentScore });
        }
        this.setState({ currentScore: 0 });
        this.setState({ Clicked: true });
        this.state.characters.forEach(element => (element.clicked = false));
        console.log(this.state.characters);
      }
    });
  };

  shuffleArray = () => {
    // Shuffle array of objects
    const shuffledArr = this.shuffle(this.state.characters);
    // Setting 'shuffledArr' as the new state
    this.setState({ shuffledArr });
  };

  // handleIncrement increments this.state.currentScore by 1
  handleIncrement = () => {
    // Using setState method to update component's state
    this.setState({ currentScore: this.state.currentScore + 1 });
  };

  // Function that takes an array as a parameter and shuffles it
  shuffle = array => {
    var currentIndex = array.length,
      temporaryValue,
      randomIndex;

    // While there remain elements to shuffle...
    while (0 !== currentIndex) {
      // Pick a remaining element...
      randomIndex = Math.floor(Math.random() * currentIndex);
      currentIndex -= 1;

      // And swap it with the current element.
      temporaryValue = array[currentIndex];
      array[currentIndex] = array[randomIndex];
      array[randomIndex] = temporaryValue;
    }
    return array;
  };

  render() {
    return (
      <Wrapper>
        <Navbar
          currentScore={this.state.currentScore}
          highScore={this.state.highScore}
        />
        <Jumbotron />
        {this.state.characters.map(character => (
          <CharacterCard
            Clicked={this.state.Clicked}
            handleClick={this.handleClick}
            id={character.id}
            key={character.id}
            name={character.name}
            image={character.image}
            occupation={character.occupation}
          />
        ))}
      </Wrapper>
    );
  }
}

export default App;

src\CharacterCard.js

import React from "react";

function CharacterCard(props) {
    return (
        <div className={"card " + (props.Clicked ? "animate" : "")} onClick={() => props.handleClick( props.id)} >  
            <div className="img-container">
                <img alt={props.name} src={props.image} />
            </div>
            <div className="img-content">
                <ul>
                    <li>
                        <strong>Name:</strong>{props.name}
                    </li>
                    <li>
                        <strong>Occupation: </strong>{props.occupation}
                    </li>
                </ul>
            </div>
        </div >
    )
}

export default CharacterCard;

src\Jumbotron.js

import React from "react";

function Jumbotron(props) {
  return (
    <div className="jumbotron jumbotron-fluid">
      <div className="container">{props.children}
        <p className="lead">Get points by clicking on an image but don't click on any more than once!</p>
      </div>
    </div>
  )
}

export default Jumbotron;

src\Wrapper.js

import React from "react";

function Wrapper(props){
    return <div className="wrapper">{props.children}</div>
}

export default Wrapper;

src\Navbar.js

import React from "react";

function Navbar(props) {
    return (
        <header className="container-fluid fixed-top" >
            <div className="row">
                <h1 className="col-sm-8">Celebrity Memory Game</h1>
                <nav className="col-sm-4">
                    <p>Score: <span>{props.currentScore}</span></p>
                    <p>Top Score: <span>{props.highScore}</span> </p>
                    {props.children}
                </nav>
            </div>
        </header>        
    )
}

export default Navbar;

src\App.css

Replace the placeholder content of App.css with given below content :

.wrapper {
  height: 100%;
  display: flex;
  flex-flow: row wrap;
  justify-content: space-around;
  align-content: flex-start;
  overflow: auto;
}

header {
  padding: 10px 0;
  background-color: red;
  margin-bottom: 5px;
  box-shadow: 0 3px 6px #999, 0 3px 6px #999;
  color: white;
  width: 100%;
}

header h1 {
  font-size: 30px;
  margin: 0;
}

header nav {
  display: flex;
  justify-content: flex-end;
}

header p {
  font-weight: bold;
  padding: 0 10px;
  margin: 0;
}

.jumbotron {
  display: flex;
  align-items: center;
  background: linear-gradient(to left top, blue, red) center center fixed;
  background-size: cover;
  color: #ffffff;
  height: 50px;
  text-shadow: 0.25px 0.25px 0.25px #000000;
  width: 100%;
}

.jumbotron p {
  text-align: center;
  margin: 0 0 20px;
  font-weight: bold;
  font-size: 1.5rem;
}

@media only screen and (max-width: 700px) {
  .jumbotron {
    margin-top: 120px;
  }
}

@media only screen and (max-width: 600px) {
  .jumbotron {
    margin-top: 110px;
  }
  .jumbotron p {
    margin: 0;
    font-size: 15px;
  }
}

.card {
  background: #fff;
  border: 5px solid #fff;
  border-radius: 2px;
  margin: 40px 20px;
  position: relative;
  height: 300px;
  width: 250px;
  box-shadow: 0 3px 6px #999, 0 3px 6px #999;
  transition: box-shadow 0.1s ease-in-out;
  text-align: left;
}

.card:hover {
  box-shadow: 0 12px 24px #999, 0 12px 24px #999;
  height: 300px;
  width: 250;
}

.card>.img-container {
  height: 80%;
  overflow: hidden;
  text-align: center;
}

.card>.img-container>img {
  width: 80%
}

.card>.content {
  padding-left: 1rem;
  padding-right: 1rem;
  font-size: 15px;
  background: #6CADDC;
}

.card>.img-content>ul {
  list-style-type: none;
}

.animate {
  animation: shake 0.5s;
}

@media only screen and (max-width: 600px) {
  .card:hover {
    height: 300px;
    width: 250px;
    box-shadow: 0 3px 6px #999, 0 3px 6px #999;
  }
}

src\characters.json

[
    {
        "id": 1,
        "clicked" : false,
        "name": "Angelina Jolie Voight",
        "image": "http://beauty-around.com/images/sampledata/Hollywood_Actress/1Anjelina-Jolie.jpg",
        "occupation": "Actress, Director"
      },
      {
        "id": 2,
        "clicked" : false,
        "name": "Charlize Theron",
        "image": "http://beauty-around.com/images/sampledata/Hollywood_Actress/2sharliz.jpg",
        "occupation": "Model, Actress"
      },
      {
        "id": 3,
        "clicked" : false,
        "name": "Jessica Alba",
        "image": "http://beauty-around.com/images/sampledata/Hollywood_Actress/3Alba.jpg",
        "occupation": "Model, Actress"
      },
      {
        "id": 4,
        "clicked" : false,
        "name": "Megan Denise Fox",
        "image": "http://beauty-around.com/images/sampledata/Hollywood_Actress/4Megan_Fox.jpg",
        "occupation": "Model, Actress"
      },
      {
        "id": 5,
        "clicked" : false,
        "name": "Keira Knightley",
        "image": "http://beauty-around.com/images/sampledata/Hollywood_Actress/6Keira_Knightley.jpg",
        "occupation": "Actress"
      },
      {
        "id": 6,
        "clicked" : false,
        "name": "Nina Dobrev",
        "image": "http://beauty-around.com/images/sampledata/Hollywood_Actress/8nina_Dobrev.jpg",
        "occupation": "Actress"
      },
      {
        "id": 7,
        "clicked" : false,
        "name": "Maria Bellucci",
        "image": "http://beauty-around.com/images/sampledata/Hollywood_Actress/9Monica.jpg",
        "occupation": "Model, Actress"
      },
      {
        "id": 8,
        "clicked" : false,
        "name": "Justin Bieber",
        "image": "https://www.justinbiebermusic.com/wp-content/themes/justinbieber2/images/bieber-news.png",
        "occupation": "Singer"
      },
      {
        "id": 9,
        "clicked" : false,
        "name": "Daddy Yankee",
        "image": "https://media1.fdncms.com/orlando/imager/u/original/2514354/gal_sel_daddy-yankee-2016.jpg",
        "occupation": "Singer"
      },
      {
        "id": 10,
        "clicked" : false,
        "name": "Sean Paul",
        "image": "https://www.thepeninsulaqatar.com/uploads/2018/09/20/post_main_cover_fit//1b21da4888de17e14120771c191d5373a06fe9c1.jpg",
        "occupation": "Singer"
      },
      {
        "id": 11,
        "clicked" : false,
        "name": "Deadpool",
        "image": "https://vignette.wikia.nocookie.net/marvelmovies/images/6/66/Deadpool_promo.png/revision/latest?cb=20150707202600",
        "occupation": "Hero"
      },
      {
        "id": 12,
        "clicked" : false,
        "name": "Sofia Vergara",
        "image": "https://i.dailymail.co.uk/i/newpix/2018/09/18/20/5017C57300000578-6182201-image-a-100_1537300563965.jpg",
        "occupation": "Actress"
      }
      
]

Demo

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