Como criar o jogo 2048 em Java 8 e JavaFX

Como Criar o Game 2048Com JavaFX e Java SE 8Bruno BorgesPrincipal Product ManagerJava Evangelist

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• Java Evangelist• Orale Product Manager• Entusiasta JavaFX e IoT• Onde me encontrar

• @brunoborges

• plus.google.com/+BrunoBorges

Bruno Borges

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Agenda

• Jogo 2048• Da idéia à execução, da execução ao Raspberry Pi

• Java para game developers• Java SE 8: Lambda expressions, Stream API

• JavaFX 8: Conceitos, CSS, Animações, 3D API

• Outros Exemplos

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• Mova os números em uma matriz de 4x4

• Quando números iguais se encontram valores são somados

• Vence quando atingir 2048

• 2, 4, 8, 16, 32, 64, 128, 256, 512,

1024, 2048

O jogo

2048

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Onde jogar 2048?

• iOS

• Android

• Web (Javascript)• gabrielecirulli.github.io/2048/

• JavaFX• PCs, Laptops, Tablets e Smartphones (que suportam Oracle Java SE 8),

Raspberry Pi e similares

Em quase todos os lugares!

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• Classes de estrutura• Tile, Location, Direction

• GameManager

• Animações

• Eventos

• Estilos CSS

2048FX

Criando o jogo em JavaFX

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Java ClassesJust a few

Direction, Location

Tile

GameManager

SessionManager

Game2048

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Grid para o 2048y(i)

x(j)

Criando um grid com Lambda Expressions

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Direction e LocationEstruturas básicas

X Y

UP 0 -1

RIGHT 1 0

DOWN 0 1

LEFT -1 0

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TileRepresenta um “quadrado” no jogo, com valor atribuído

Novo tile aleatório. 90% chance para número “2”.

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Eventos de TecladoOuvindo eventos em JavaFX para movimentar os Tiles

Salva estado atual

Recupera último estado

Ignora teclas que não sejam setas “arrows”

Mapeia setas a Directions, chama GameManager

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Eventos de TouchscreenAções mapeadas usando Lambda Expressions do Java 8

* Swipe images from quojs.tapquo.com

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AnimaçõesMovendo os Tiles de um lado para o outro

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Como saber se o jogo acabou?On Finish

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Mostrar fim do jogogameOverProperty.set(true); ... Try again?

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Java para Game Developers

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Java SE 8

Insert Picture Here

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Lambda ExpressionsListeners

Com Java SE 8

Com Java SE 7

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Lambda Expressions e Stream APIExemplo

Com Java SE 8

Com Java SE 7

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Lambda Expression como ParâmetroMétodo que recebe uma expressão Lambda

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Parallel StreamEncontrar Locations disponíveis no grid, usando multi-thread

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JavaFX 8

Insert Picture Here

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Arquitetura do JavaFX

• Prism – renderização nativa• OpenGL (Mac, Linux, Embedded)

• Direct 3D (9 em Windows XP/Vista, 11 em Windows 7)

• Java 2D (software rendering)

• Scene Graph• Nodes

• States

• Effects

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JavaFX 3D

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Insert Chart Here

Criando Formas e Materiais Primitivos

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Colocando Textura em uma Esfera

27

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Colocando Textura em uma Esfera

28

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Colocando Textura em uma Esfera

29

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Para saber mais

Documentação do Java 8: bit.ly/java8docs

Código-fonte do jogo 2048FX

github.com/brunoborges/fx2048

Twitter: @brunoborges

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ORACLE e V.OFFICE

Parceria WDP (Workforce Development Program)

A Oracle University tem o prazer de anunciar a V.OFFICE Treinamentos como nosso mais novo parceiro WDP.

A Oracle Corporation lançou o WDP para resolver o déficit global e contínuo de trabalhadores na área de TI e a necessidade de treinamento acessível e de baixo custo nas habilidades correspondentes. O WDP permite que as instituições educacionais participantes forneçam treinamento em Oracle em tempo integral e meio-período a alunos em suas comunidades locais.

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The preceding is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract.It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle.

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