Java游戏编程小手册
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2023-02-17
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Game Development in Java
Posted on by October 31, 2020
Johan Kragt
Game development
Introduction
In my early days as a software developer I worked at a small game studio. This was
back in the days when ActionScript and Flash were still a thing.
At JCore during Corona times we’ve spent part of the JCore Fast Track looking at
game development in Unity3D and the Unreal engine. These engines work on C#
/JavaScript and C++ respectively.
Nowadays the language I’m most comfortable with is Java. A little while ago I was
wondering whether it would be possible to create a game in Java.
Of course almost all languages support some sort of drawing, so technically the
answer would be a straight yes. Modern engines and libraries offer support for
OpenGL rendering and provide a lot of tools out of the box.
Though there are 3D engines for Java I’ll be focusing on a 2D game, mostly because
the complexity of 3D and its assets makes creating anything resembling a 3D game a
daunting task.
Definitions
In this blog I will use some jargon which might need some explanation.
Texture
A texture is an image which can be loaded into the graphics card. In 3D games a
texture is applied to the surface of a 3D object to give it a certain look and feel.
In 2D games a texture is wrapped in a Sprite. A Sprite contains the bitmap
information and the location of the points defining its position and rotation point.
Sometimes behaviour of the Sprite can also be included in the definition. A sprite
can be a static image or a series of images forming an animation.
In this blog I’ll be using plain textures.
Rendering
Rendering is the process of drawing the scene onto the screen. The term is mostly
used for drawing using the graphics card.
UI
UI refers to the user interface of the game. The UI is rendered on top of the game
and contains scores, menus, buttons, etc.
The framework of choice
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