A Pen by Aline Soares da Silva on CodePen.
Created
August 21, 2020 21:47
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fatec_ipi_tarde_pdm_jogo_da_velha
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<div id="root"></div> |
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class Jogo extends React.Component{ | |
render(){ | |
return ( | |
<div className="game"> | |
<div className="game-board"> | |
<Tabuleiro/> | |
</div> | |
<div className="game-info"> | |
<ol>{"Movimentos"}</ol> | |
</div> | |
</div> | |
); | |
} | |
} | |
class Tabuleiro extends React.Component { | |
constructor (props){ | |
super (props); | |
this.state = { | |
quadrados: Array(9).fill(null), | |
xIsNext: true | |
}; | |
} | |
render(){ | |
const vencedor = calculateWinner(this.state.quadrados); | |
let status; | |
if(vencedor){ | |
status = 'Vencedor:' + vencedor; | |
} | |
else{ | |
status = 'Jogador: ' + (this.state.xIsNext ? 'X' : 'O'); | |
} | |
//const status = 'jogador: ' + (this.state.xIsNext ? 'X' : 'O'); | |
return( | |
<div> | |
<div className="status">{status}</div> | |
<div className="board-row"> | |
{this.renderizarQuadrado(0)} | |
{this.renderizarQuadrado(1)} | |
{this.renderizarQuadrado(2)} | |
</div> | |
<div className="board-row"> | |
{this.renderizarQuadrado(3)} | |
{this.renderizarQuadrado(4)} | |
{this.renderizarQuadrado(5)} | |
</div> | |
<div className="board-row"> | |
{this.renderizarQuadrado(6)} | |
{this.renderizarQuadrado(7)} | |
{this.renderizarQuadrado(8)} | |
</div> | |
</div> | |
); | |
} | |
renderizarQuadrado (i){ | |
return ( | |
<Quadrado | |
value={this.state.quadrados[i]} | |
onClick={() => this.handleClick(i)} | |
/> | |
); | |
} | |
handleClick (i){ | |
const quadrados = this.state.quadrados.slice(); | |
if(calculateWinner(quadrados)){ | |
alert("Jogo acabou"); | |
return; | |
} | |
if (quadrados[i]){ | |
alert ('Posição ocupada') | |
return; | |
} | |
quadrados[i] = this.state.xIsNext ? 'X':'O'; | |
this.setState({quadrados:quadrados, xIsNext: !this.state.xIsNext}); | |
} | |
} | |
class Quadrado extends React.Component{ | |
/*constructor (props){ | |
super(props); | |
this.state = { | |
value: null | |
}; | |
}*/ | |
render(){ | |
return ( | |
<button | |
className="square" | |
onClick={() => {this.props.onClick()}} | |
> | |
{this.props.value} | |
</button> | |
); | |
} | |
} | |
function calculateWinner(squares){ | |
const lines = [ | |
[0, 1, 2], | |
[3, 4, 5], | |
[6, 7, 8], | |
[0, 3, 6], | |
[1, 4, 7], | |
[2, 5, 8], | |
[0, 4, 8], | |
[2, 4, 6], | |
]; | |
for (let i=0; i<lines.length; i++){ | |
const [a, b, c] = lines[i]; | |
if (squares[a]&& squares[a] === squares[b] && squares[a] === squares[c]){ | |
return squares[a]; | |
} | |
} | |
return null; | |
} | |
/* | |
function Quadrado (props){ | |
return ( | |
<button className="square" onClick={props.onClick}> | |
{props.value} | |
</button> | |
); | |
} | |
*/ | |
ReactDOM.render( | |
<Jogo />, | |
document.getElementById('root') | |
); | |
/* | |
ReactDOM.render( | |
<Tabuleiro quadrados={Array(9).fill().map((value, pos) => pos)} />, | |
document.getElementById("root") | |
); | |
*/ | |
/*ReactDOM.render( | |
<Quadrado | |
onClick={ () => { | |
alert('Clicou !'); | |
}} | |
value={ 2 + 2 } | |
/>, | |
document.getElementById("root") | |
); | |
*/ | |
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<script src="https://unpkg.com/react@16/umd/react.development.js"></script> | |
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script> |
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.square { | |
background: #fff; | |
border: 1px solid #999; | |
font-size: 24px; | |
float: left; | |
font-weight: bold; | |
line-height: 34px; | |
height: 34px; | |
width: 34px; | |
margin-right: -1px; | |
margin-top: -1px; | |
padding: 0; | |
text-align: center; | |
} | |
.board-row:after { | |
clear: both; | |
content: ""; | |
display: block; | |
} | |
.game{ | |
display: flex; | |
flex-direction: row; | |
} | |
.game-info{ | |
margin-left: 20px; | |
} |
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