Android Open Source - spaceShell Open G L Triangle Screen

From Project

Back to project page spaceShell.

License

The source code is released under:

MIT License

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Java Source Code

package fr.creationjeuxjava.screens;
//  w  w w . j a  v  a  2 s . c om
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.FPSLogger;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.Mesh;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;

import fr.creationjeuxjava.spaceshell.MeshCreator;
import fr.creationjeuxjava.spaceshell.SpaceShellGame;

//============================================================================
// Name        : OpenGLTriangleScreen.java from SpaceShell
// Author      : JohnCarmack
// Version     : 
// Copyright   : www.creationjeuxjava.fr !
// Description : 
// Date       : 27 fvr. 2014 at 21:38:08  
//============================================================================
public class OpenGLTriangleScreen implements Screen {

  Mesh myMesh;
  SpriteBatch batch;
  BitmapFont bitmapfont;
  MeshCreator meshCreator;
  FPSLogger fps;
  SpaceShellGame game;

  public OpenGLTriangleScreen(SpaceShellGame g) {
    game = g;
  }

  @Override
  public void render(float delta) {
    Gdx.gl.glClearColor(0.2f, 0.2f, 0.2f, 1);
    Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
    Gdx.gl.glEnable(GL20.GL_BLEND_SRC_ALPHA);

    batch.begin();

    // bitmapfont.draw(batch, "Version OPENGL : " + Gdx.gl.glGetString(GL20.GL_VERSION), 6, 291);
    // bitmapfont.draw(batch, "Graphics CARD : " + Gdx.gl.glGetString(GL20.GL_RENDERER), 6, 305);
    // bitmapfont.draw(batch, "OpenGL 2.0 ? : " + Gdx.graphics.isGL20Available(), 6, 321);

    // bitmapfont.draw(batch, "JAVA HEAP : " + Gdx.app.getJavaHeap() / 10E4, 6, 191);
    // bitmapfont.draw(batch, "FPS : " + Gdx.graphics.getFramesPerSecond(), 6, 210);
    meshCreator.drawMesh(); // comment this line and uncomment bitmapfont.draw to print infos but without the triangle...
    batch.end();
  }

  @Override
  public void resize(int width, int height) {
  }

  @Override
  public void show() {
    out("Version OpenGL ", Gdx.gl.glGetString(GL20.GL_VERSION));
    out("Graphic Card ", Gdx.gl.glGetString(GL20.GL_RENDERER));
    out("OpenGL 2.0 enable ? ", "" + Gdx.graphics.isGL20Available());
    out("FPS ", "" + Gdx.graphics.getFramesPerSecond());

    batch = new SpriteBatch();
    bitmapfont = new BitmapFont();
    bitmapfont.setColor(Color.RED);
    meshCreator = new MeshCreator();
    meshCreator.createMesh(new float[] { -0.5f, -0.5f, 0.5f, -0.5f, 0f, 0.5f });
  }

  @Override
  public void hide() {
  }

  @Override
  public void pause() {
    out("Paused!", "We paused the game");
    bitmapfont.setColor(Color.YELLOW);

  }

  @Override
  public void resume() {
    out("Resumed!", "We resumed the game");
    bitmapfont.setColor(Color.BLUE);
  }

  public static void out(String subject, String sentence) {
    Gdx.app.log(subject, sentence);
  }

  @Override
  public void dispose() {
    batch.dispose();
    bitmapfont.dispose();
    meshCreator.dispose();
  }
}

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