Jogos: indo além do simples CSS!

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Jogos: indo além do simples CSS Fernanda Bernardo

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Fernanda Bernardo Engenheira de Software @Elo7 MVP @Microsoft @Help4Papers http://fernandabernardo.com.br @Feh_Bernardo

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GIFS ❤❤❤

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Repositório: http://bit.ly/2c2RsV1 Palestra: http://bit.ly/2cbNs6h

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Repositório: http://bit.ly/2eLXyeP Palestra: http://bit.ly/2xDU5qq

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Porque só CSS?

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Divertido

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Desafio

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Aprendizado

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We CSS

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Como representar os elementos básicos do jogo?

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cursor: url('images/bob.png'), default; .container { }

width: 100vw; height: 100vh;

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.container { width: 100vw; height: 100vh; cursor: url('images/bob.png'), default; }

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.container { width: 100vw; height: 100vh; cursor: url('images/bob.png'), default; } VW VH

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.container { width: 100vw; height: 100vh; cursor: url('images/bob.png'), default; } Viewport Width Viewport Height

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.container { width: 100vw; height: 100vh; cursor: url('images/bob.png'), default; } vmax vmin

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.container { width: 100vw; height: 100vh; cursor: url('images/bob.png'), default; } cursor: default; pointer; url('images/bob.png'), default;

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.container { width: 100vw; height: 100vh; cursor: url('images/bob.png'), default; box-sizing: border-box; }

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vw, vh, vmin, vmax cursor box-sizing

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vw, vh, vmin, vmax cursor box-sizing

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.container { position: relative; } .game { background: url('images/fundo.jpg'); position: absolute; }

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Porque um bob esponja no espaço?

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E os inimigos?

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.inimigo { } width: 20px; height: 20px; border-radius: 50%; background-color: white; position: absolute; left: 9%; animation-name: moving; animation-duration: 6s; @keyframes moving { 0% { top: 0; } 100% { top: calc(100% - 25px); } }

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vw, vh, vmin, vmax cursor box-sizing animation

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vw, vh, vmin, vmax cursor box-sizing animation

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#i1 { left: 9%; } #i2 { left: 23%; } #i3 { left: 37%; } #i4 { left: 65%; } #i5 { left: 90%; }

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E como deixar os inimigos mais dinâmicos?

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#i1 { animation-duration: 6s; animation-iteration-count: 2;} #i2 { animation-duration: 5s; animation-iteration-count: 2;} #i3 { animation-duration: 7s; animation-iteration-count: 2;} #i4 { animation-duration: 12s; animation-iteration-count: 1;} #i5 { animation-duration: 10s; animation-iteration-count: 1;}

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E se tiver mais inimigos? #i6, #i7, #i8, #i9, #i10 { animation-delay: 10s; background-color: red; }

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Como esconder? .inimigo { z-index: -1; animation-fill-mode: backwards; }

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Como esconder? .inimigo { z-index: -1; animation-fill-mode: backwards; } @keyframes moving { 0% { z-index: -1; } 1% { z-index: 2; } 100% { z-index: 2; } }

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vw, vh, vmin, vmax cursor box-sizing animation z-index

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vw, vh, vmin, vmax cursor box-sizing animation z-index

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[...]

Game Over :(

.oops { display: none; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: red; z-index: 10; }

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.oops { display: none; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: red; z-index: 10; } .inimigo:hover ~ .oops { display: block; }

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.oops { display: none; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: red; z-index: 10; } .inimigo:hover ~ .oops { display: block; } .oops:hover { display: block; }

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vw, vh, vmin, vmax cursor box-sizing animation z-index seletores

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vw, vh, vmin, vmax cursor box-sizing animation z-index seletores

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O que vamos conquistar?

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[...]

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[...]

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.coin { width: 20px; height: 20px; background-color: yellow; border-radius: 50%; position: absolute; left: 9%; -webkit-appearance: none; animation-name: moving; animation-duration: 6s; } .coin:checked { visibility: hidden; }

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Como contar os pontos?

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.game { counter-reset: pontos; } .game:after { content: counter(pontos) ‘/2'; } .coin:checked { counter-increment: pontos; }

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.game { counter-reset: pontos; } .game:after { content: counter(pontos) ‘/2'; } .coin:checked { counter-increment: pontos; }

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.game { counter-reset: blah; } .game:after { content: counter(blah) ‘/2'; } .coin:checked { counter-increment: blah; }

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.coin:checked { counter-increment: pontos; }

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.coin:checked { counter-increment: pontos; visibility: hidden; } display: none; ??? Visibility hidden X Display none

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vw, vh, vmin, vmax cursor box-sizing animation z-index seletores counter

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Como vence?

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Venceu! :)

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.venceu { display: none; position: absolute; width: 100%; height: 100%; background-color: green; top: 0; left: 0; } #c1:checked ~ #c2:checked ~ .venceu { display: block; }

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#c1:checked ~ #c2:checked ~ .venceu { display: block; } Mais moedas? ~ #c3:checked ~ #c4:checked ~ #c5:checked

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[...] [...] [...]

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[...] [...] [...]

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vw, vh, vmin, vmax cursor box-sizing animation z-index seletores counter tabindex

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[...]

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[...] #pause-button + label { background-image: url('images/pause.png'); } #pause-button:checked + label { background-image: url('images/play.png'); }

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#pause-button ~ .inimigo, #pause-button ~ .coin { animation-play-state: running; } [...] #pause-button:checked ~ .inimigo, #pause-button:checked ~ .coin { animation-play-state: paused; }

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[...]

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.pause-container { display: none; background-color: black; opacity: 0.7; } #pause-button:checked ~ .pause-container { display: block; }

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.pause-container .pause-container:before

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Como colocar instruções?

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Space Game

Jogo só com CSS, sem Javascript ;D

Play! [… .game]

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div .container input #intro section .intro h2 p label for=intro .intro { width: 100%; height: 100%; position: absolute; top: 0; left: 0; z-index: 15; } label[for=“intro"] { padding: 1em; font-size: 1.2em; background-color: purple; border-radius: 5px; margin: 1em 25%; display: inline-block; border: 1px solid purple; } #intro:checked ~ .intro { display: none; }

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Regras

Mova seu personagem com o mouse
Clique nas moedas para coletá-las
Fuja dos tiros

Entendi :)

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#intro:checked + #rules:checked ~ .rules { display: none; }

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http://fernandabernardo.com.br/space-game/

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• http://minocernota.com/articles/pure_css_game/ • http://codepen.io/vaielab/full/yoKEF/ • http://dabblet.com/gist/2076449 • http://ryan-kahn.com/static/onlyCSS/ • http://fernandabernardo.com.br/piano-tiles/ • https://github.com/FernandaBernardo/timberman-css Biografia