Android Open Source - crabox Utils

From Project

Back to project page crabox.
License

The source code is released under:
Apache License
If you think the Android project crabox listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.costular.crabox.util;
//from   ww  w .j  ava 2s  .  c  o  m
import java.util.Random;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.graphics.PixmapIO;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.Body;
import com.badlogic.gdx.physics.box2d.BodyDef;
import com.badlogic.gdx.physics.box2d.BodyDef.BodyType;
import com.badlogic.gdx.physics.box2d.CircleShape;
import com.badlogic.gdx.physics.box2d.FixtureDef;
import com.badlogic.gdx.physics.box2d.PolygonShape;
import com.badlogic.gdx.physics.box2d.World;
import com.badlogic.gdx.utils.ScreenUtils;
import com.costular.crabox.screens.GameScreen;

public class Utils {
  
  public static final float WORLD_TO_BOX = 0.01f;
  public static final float BOX_TO_WORLD = 100f;
                      // Azul claro            ROJO              Naranja
  private static final Color[] colors = { Color.valueOf("2E9AFE"), Color.valueOf("FE2E2E"), Color.valueOf("FF8000"), Color.valueOf("9FF781")};
  private static int last = 0;
  
  public static Color getRandomColor() {
    int random = MathUtils.random(0, colors.length-1);
    if(random == last) {
      return getRandomColor();
    } else {
      last = random;
      return colors[MathUtils.random(0, colors.length-1)];
    }
  }
  
  public static Body createRectangleBody(float x, float y, float width, float height, BodyType type, float density, float friction, float restitution, World world) {
    
    final BodyDef def = new BodyDef();
    def.position.set(x, y);
    def.type = type;
    
    PolygonShape shape =  new PolygonShape();
    shape.setAsBox(width / 2, height / 2);
    
    FixtureDef fixt = new FixtureDef();
    fixt.shape = shape;
    fixt.density = density; 
    fixt.friction = friction; 
    fixt.restitution = restitution;   
    
    Body bb = world.createBody(def);
    bb.createFixture(fixt);
    
    shape.dispose();
    
    return bb;
  }
  
  public static Body createBallBody(float x, float y, float radius, BodyType type, float density, float friction, float restitution, World world) {
    final BodyDef def = new BodyDef();
    def.position.set(x, y);
    def.type = type;
    
    CircleShape shape = new CircleShape();
    shape.setRadius(radius);
    
    FixtureDef fixt = new FixtureDef();
    fixt.shape = shape;
    fixt.density = density;
    fixt.friction = friction;
    fixt.restitution = restitution;
    
    Body bb = world.createBody(def);
    bb.createFixture(fixt);
    
    shape.dispose();
    
    return bb;
  }
  
  public static float getBorderBottomOfCamera() {
    if(GameScreen.getCamera() == null) {
      return -1f;
    }
    
    return GameScreen.getCamera().position.y - GameScreen.getCamera().viewportHeight / 2;
  }

  
  public static int randomInt(int min, int max) {
      return new Random().nextInt((max - min) + 1) + min;
  }
  
  public static float randomFloat(float min, float max) {
    return new Random().nextFloat() * (max - min) + min;
  }
  
  public static float toMeter(float pixels) {
        return (float)pixels * WORLD_TO_BOX;
    }

    public static Vector2 toMeter(Vector2 vecPixel) {
        return new Vector2(toMeter(vecPixel.x), toMeter(vecPixel.y));
    }
  
  
    public static float toPixel(float meter) {
        return (float) meter * BOX_TO_WORLD;
    }
  
  
  public static void saveScreen() {
    int count = 0;
    try {
      FileHandle f;
      do {
        f = new FileHandle("screenshoot"+ count++ +".png");
      }while(f.exists());
      
      Pixmap px = takeScreenShoot();
      PixmapIO.writePNG(f, px);
      px.dispose();
      
    }catch(Exception e) {
      e.printStackTrace();
    }
  }
  
  public static Pixmap takeScreenShoot() {
    return ScreenUtils.getFrameBufferPixmap(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
  }
}
Java Source Code List
