Zookeeper
Box2d Official Website: http://box2d.org/
Box2d v2.1.0 User Guide Translation: http://blog.csdn.net/complex_ OK /article/category/871440
Libgdx uses JNI to encapsulate the C ++ version of box2d, making it much faster than other physical engines such as jbox2d.
I. Basic
Bodydef
A body definition holds all the data needed to construct a rigid body. You can safely re-use body definitions. shapes are added to a body after construction.
It is re
Libgdx: Restores a PNG Image packaged by Texturepacker to a single image,
Do you find that Texturepacker is used to package and compress resource files. I lost the original file, but I had no choice but to add a new small png. This article is a lot of Baidu's methods after the blogger encountered this problem, unfortunately, only the plist format is available, and libgdx is barely available. I did not find
(Original: http://www.libgdx.cn/topic/46/4-4-libgdx%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95%E6%9F%A5%E8%AF%A2%E8%BF%90%E8%A1%8C%E7%8E%AF%E5%A2%83%E7%9B%B8%E5%85%B3%E5%B1%9E%E6%80%A7)
The application interface provides multiple methods to query the running environment attributes.
Obtain the current application type
Sometimes you need to perform special operations based on a specific platform. Application. GetType () is used to return the currently running
One, Applicationlistener and ApplicationadapterReferring to the game life cycle of LIBGDX, you have to mention a very important interface Applicationlistener, which is located in the COM.BADLOGIC.GDX package, and the main responsibility of Applicationlistener is to create and display windows. As a function in Applicationlistener: Since Applicationlistener is an interface, then it must be to implement to use, but every use to achieve so many methods,
When using box2d in libgdx, pay attention to the following coordinate system problems:
1. the coordinates in the physical world are located at the center of the screen, while those in libgdx are located at the lower left corner.
2. The setviewport method is used to scale the stage, so that the drawing coordinates and the physical simulation coordinates are unified in form.
3. In actor that has been enc
In the previous section we learned the parsing of XML files, and then we learned about the parsing of JSON files. JSON classes are also available in LIBGDX to help us parse the file, the most common method being Fromjson (java.lang.Class type, filehandle file) By this method we must first define an inner class to abstract the representation of the JSON file.{"Name":"David","Experience":2534,"Strength":6,"Dexterity":8,"Intelligence":6,"Items": [
There are many types of map editors that support LIBGDX, among which the more commonly used tools are the tiled map tool. The tiled is a very useful map editor. : Http://www.mapeditor.orgTiledMap class: Also known as Tile Map class, mainly used to parse the map file saved by the Maps editor. Common method: Dispose (): Destroys all textures in the current map getlayers (): Gets all the layers in the current map, the return value is maplayers type varia
Create a LIBGDX Project
Download the project configuration tool Gdx-setup.jar
Build Project
Import Eclipse
Gradle Project, Gradle, Import, File
Select the generated project and click on the build model the first time may be a bit long like this then click Finish
Locate the generated project and find the class for the Main m
12.2. Clear screen of Libgdx images, and clear screen of 12.2libgdx
(Official Website: www.libgdx.cn)
The screen clearing operation in Libgdx is different from that in general OpenGL applications. The only difference is to access OpenGL context.
The Code is as follows:
@ Overridepublic void render () {Gdx. graphics. getGL20 (). glClearColor (1, 0, 0, 1); Gdx. graphics. getGL20 (). glClear (gl1_gl _ COLO
Recently, some netizens complained that the android game source code could not be found on the Internet, so the younger brother collected some game source codes of andengine and libgdx, configured the environment in the form of Eclipse project, and then sent out (An engine is not included in this column.).
Although these games are mainly composed of libgdx and andengine source code. But in fact, the younger
LIBGDX projects use Gradle to manage dependencies, build processes, and IDE integrations. This allows you to develop your app using your favorite development environment. Do not submit specific files with the IDE to your source control system.Configure EclipseTo develop your app through eclipse, you need to install the following software to configure.1, JDK 7 and above (JDK 6 is not supported).2, Eclipse, usually select "Eclipse IDE for Java developer
LibGDX game engine-4-text rendering (TTF font-FreeType)
This series of blog posts are from Sina's blog-xiaotudou. I have added my own understanding and modifications to this article!
If you create a project through step-ui, this package is not added by default and needs to be imported manually
Import method:
(1) Open the decompressed 0.9.9 package, extensions folder, gdx-freetype folder,
Locate gdx-freetype.jar and gdx-freetype-natives.jar.
(2)
Slave
After the download is complete, double-click the file or execute it in the command line.
Java-jar gdx-setup-ui.jar
To open the libgdx Project Creation window, you can also use thisProgramTo download the libgdx development kit.
If "libgdx" on the left is red, it indicates that the program has not been associated with the
Recently on the network to see a Netizen complained that Android game source code can not find, so the younger brother collected some andengine and LIBGDX game source code, in order to eclipseproject the form of the configuration of the environment, and then issued (an engine suspicion.)。Although these games, mainly consists of the source code developed by LIBGDX and Andengine. But in fact, can calculate th
Libgdx Viewport screen adaptation
During Game Development, we usually set the size of a world, which is fixed and the location of the game is also fixed. However, for various Android resolutions, we need to adapt game elements to different resolutions displayed at the same proportion. Fortunately, Libgdx defines Viewport for me.Viewport type
Explanation of Viewport
ScreenViewport: there is no definite world
Total List of tutorials: http://blog.csdn.net/zqiang_55/article/details/50878524Previously said in Libgdx painted pictures of the spritebatch and stage class, now to explore stage class.In fact, the stage inside the default will initialize a Spritebatch,stage main work is to draw UI elements, including image, Label, button, and so on, before continuing to understand, let's look at a picture, the UI is mainly in accordance with this picture to explainD
Recently in the study Libgdx, read some related tutorials, but this knowledge structure is very chaotic, so want to take this blog to record and comb the knowledge, at the same time so that they can persist in learning. This article mainly introduces the creation and operation of LIBGDX under the Widows project.One, download LibgdxDownload is relatively simple, go to: L
[1.6.0]-English Original: http://www.badlogicgames.com/wordpress/?p=3682-api change: Glyphlayout xadvances now has an additional start entry, which requires the implementation of tighter text bounds.-api change: Label#gettextbounds changed to Getglyphlayout. Not only the width and height are exposed.In the 2D particle editor, all chart points can be dragged by holding down CTRL once. You can also drag appropriately through the ctrl-shift.-In the 2D particle editor, add the merge button. Merges a
Tip: This article records my operation procedures and experiences. You may encounter some obstacles in your operations due to your version and other problems. Please refer to the comments and replies later in this article.
Although Image can be used as a background, it is a bit complicated to be an RPG Game. Libgdx SpriteCache can be used for efficiency purposes. However, libgdx also supports TiledMap.
Rel
The libgdx ui library can achieve some animation effects, but it may be insufficient for games. The Universal Tween Engine is a java-only animation library.
Address: http://code.google.com/p/java-universal-tween-engine/
All java objects that can be expressed with float can be animated and can be used in Libgdx, Android, Swing, and so on.General process for using the Universal Tween Engine
The most important
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