Android Open Source - min3d Example From Scratch

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License

The source code is released under:

MIT License

Java Source Code

package com.min3d;
/*  w w  w. j  av a  2  s  . c  o m*/
import com.min3d.lib.Utils;
import com.min3d.lib.core.Object3d;
import com.min3d.lib.core.RendererActivity;

/**
 * XXXXXXXXXXXXXXXXXXX NOT COMPLETE XXXXXXXXXXXXXXXXXXX

 * Example of creating an object from scratch.
 * 
 * In the real world, you'd do this synchronously, not on-enter-frame.
 * 
 * I'm building the object frame-by-frame in part to demonstrate how
 * adding vertices post-construction is not bad for performance.
 * 
 * Also note that based on the shape of the object made here, it'd be 
 * optimal to the faces to share vertices, which I'm not bothering
 * with here...
 * 
 * @author Lee
 */
public class ExampleFromScratch extends RendererActivity
{
  int _count;
  Object3d _currentObject;
  
  public void initScene() 
  {
    _count = 0;
  }
  
  @Override 
  public void updateScene() 
  {
    if (_count % 500 == 0) {
      _currentObject = new Object3d(500,500); 
      _currentObject.normalsEnabled(false);
      _currentObject.vertexColorsEnabled(true);
      _currentObject.doubleSidedEnabled(true);
      scene.addChild(_currentObject);
    }
    
    addToObject();
  }
  
  private void addToObject()
  {
    float count = _count % 500;
    float rad = 0.5f  +  (count/500f) * 1.0f;
    float x1 = (float)(Math.sin(count * Utils.DEG * 3) * rad);
    float z1 = (float)(Math.cos(count * Utils.DEG * 3) * rad);
    float y1 = count / 500f;
    
    // _currentObject.vertices().addVertex($pointX, $pointY, $pointZ, $textureU, $textureV, $normalX, $normalY, $normalZ, $colorR, $colorG, $colorB, $colorA);
    
    // .. not bothering with U/V info 
  }
}

Java Source Code List

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