"Open source Java Game Framework libgdx topic" -05-Module description and context

1. Module description (Modules overview)

• Input: Provides a unified input model and handler for all platforms.

Get Touch Example:

1  if (Gdx.input.isTouched ()) {2    SYSTEM.OUT.PRINTLN ("Input occurred at x=" +gdx.input.getx () + ", y=" +3 }

• Graphics: Ability to draw pictures on the screen using OpenGL ES provided by hardware

Get OpenGL API 2.0 implementation, if the hardware does not support OpenGL ES 2.0 will return null

1 GL20 gl =Gdx.graphics.getGL20 (); 2 Gl.glclearcolor (1f, 0.0f, 0.0f, 1); 3 gl.glclear (gl20.gl_color_buffer_bit);

• Files: File access on all platforms provides a convenient way to read and write.

To create an example of a texture from file $app_dir/assets/textures:

1 Texture mytexture =newtexture (Gdx.files.internal ("assets/texture/brick.png"));

• Audio: Play and record sound on all platforms

Example of playing sounds:

1 Music Music =gdx.audio.newmusic (Gdx.files.getFileHandle ("Data/mymusicfile.mp3", filetype.internal)) ; 2 music.setvolume (0.5f); 3 Music.play (); 4 music.setlooping (true);

• Networking: Provides a way to perform network operations.
• Basic Game Frame

2. Acquisition of the application environment (context)

1. Get Application Type

 1  switch   (Gdx.app.getType ()) { 2  case  android://  Android specific Codebreak;  3  case  desktop://  desktop specific codebreak;  4  case  WebGl: //  HTML5 specific codebreak;  5  default : //  Other platforms specific code  6 } 

If it is an Android app, you can also get the version:

1 int androidversion =gdx.app.getversion ();

2. Memory consumption situation

Here are two ways to get Java and local memory availability

1 long javaheap =Gdx.app.getJavaHeap (); 2 Long nativeheap =gdx.app.getnativeheap ();

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"Open source Java Game Framework libgdx topic" -05-Module description and context