Android Open Source - min3d Sky Box

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License

The source code is released under:

MIT License

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Java Source Code

package com.min3d.lib.objectPrimitives;
/*w w w  . j a  va 2s .c om*/
import android.graphics.Bitmap;

import com.min3d.lib.Shared;
import com.min3d.lib.Utils;
import com.min3d.lib.core.Object3dContainer;
import com.min3d.lib.vos.Color4;

public class SkyBox extends Object3dContainer {
  private float size;
  private float halfSize;
  private int quality;
  private Color4 color;
  private Rectangle[] faces;
  
  public enum Face {
    North,
    East,
    South,
    West,
    Up,
    Down,
    All
  }
  
  public SkyBox(float size, int quality) {
    super(0, 0);
    this.size = size;
    this.halfSize = size *.5f;
    this.quality = quality;
    build();
  }
  
  private void build() {
    color = new Color4();
    faces = new Rectangle[6];
    Rectangle north = new Rectangle(size, size, quality, quality, color);
    Rectangle east = new Rectangle(size, size, quality, quality, color);
    Rectangle south = new Rectangle(size, size, quality, quality, color);
    Rectangle west = new Rectangle(size, size, quality, quality, color);
    Rectangle up = new Rectangle(size, size, quality, quality, color);
    Rectangle down = new Rectangle(size, size, quality, quality, color);
    
    north.position().z = halfSize;
    north.lightingEnabled(false);
    
    east.rotation().y = -90;
    east.position().x = halfSize;
    east.doubleSidedEnabled(true);
    east.lightingEnabled(false);
    
    south.rotation().y = 180;
    south.position().z = -halfSize;
    south.lightingEnabled(false);
    
    west.rotation().y = 90;
    west.position().x = -halfSize;
    west.doubleSidedEnabled(true);
    west.lightingEnabled(false);
    
    up.rotation().x = 90;
    up.position().y = halfSize;
    up.doubleSidedEnabled(true);
    up.lightingEnabled(false);
    
    down.rotation().x = -90;
    down.position().y = -halfSize;
    down.doubleSidedEnabled(true);
    down.lightingEnabled(false);
    
    faces[Face.North.ordinal()] = north;
    faces[Face.East.ordinal()] = east;
    faces[Face.South.ordinal()] = south;
    faces[Face.West.ordinal()] = west;
    faces[Face.Up.ordinal()] = up;
    faces[Face.Down.ordinal()] = down;
    
    addChild(north);
    addChild(east);
    addChild(south);
    addChild(west);
    addChild(up);
    addChild(down);
  }
  
  public void addTexture(Face face, int resourceId, String id) {
    Bitmap bitmap = Utils.makeBitmapFromResourceId(resourceId);
    Shared.textureManager().addTextureId(bitmap, id, true);
    bitmap.recycle();
    addTexture(face, bitmap, id);
  }
  
  public void addTexture(Face face, Bitmap bitmap, String id) {
    if(face == Face.All)
    {
      for(int i=0; i<6; i++)
      {
        faces[i].textures().addById(id);
      }
    }
    else
    {
      faces[face.ordinal()].textures().addById(id);
    }
  }
}

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