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Revision 21819119

Added by Leszek Koltunski about 9 years ago

Progress with Wind

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src/main/java/org/distorted/examples/wind/WindEffectsManager.java
22 22 
///////////////////////////////////////////////////////////////////////////////////////////////////
23 23 

  		




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import org.distorted.library.DistortedObject;


  		




  
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import org.distorted.library.type.Dynamic3D;


  		




  
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import org.distorted.library.type.Static3D;


  		




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class WindEffectsManager


  		




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  {


  		




  
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  private Static3D shearFactor;


  		




  
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  private Dynamic3D shearDynamic;


  		




  
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  private Static3D scaleFactor;


  		




  
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  private Dynamic3D scaleDynamic;


  		




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///////////////////////////////////////////////////////////////////////////////////////////////////


  		




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  void apply(DistortedObject obj, int wind)


  		




  
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  WindEffectsManager()


  		




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    {


  		




  
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    shearFactor = new Static3D(0,0,0);


  		




  
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    shearDynamic= new Dynamic3D();


  		




  
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    shearDynamic.add(shearFactor);


  		




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    scaleFactor = new Static3D(1,1,1);


  		




  
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    scaleDynamic= new Dynamic3D();


  		




  
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    scaleDynamic.add(scaleFactor);


  		




  
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    }


  		




  
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///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  
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  synchronized void apply(DistortedObject obj, int wind)


  		




  
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    {


  		




  
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    Static3D center = new Static3D(0,obj.getHeight()/2,0);


  		




  
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    setWind(wind);


  		




  
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    obj.shear(shearDynamic,center);


  		




  
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    obj.scale(scaleDynamic);


  		




  
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    }


  		




  
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///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  
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  synchronized void setWind(int wind)


  		




  
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    {


  		




  
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    float tanAngle = (wind-50)/50.0f;


  		




  
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    shearFactor.set2(tanAngle);


  		




  
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    scaleFactor.set1(1/(float)Math.sqrt(1+tanAngle*tanAngle));


  		




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    }


  		




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  }


  		












  

    
      src/main/java/org/distorted/examples/wind/WindRenderer.java
    
  





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   private DistortedObject mObject;


  		




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   private WindEffectsManager mEffects;


  		




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   private int mObjWidth, mObjHeight;


  		




  
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   private int mWind;


  		




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///////////////////////////////////////////////////////////////////////////////////////////////////


  		




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  ......




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   void setWind(int wind)


  		




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      {


  		




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      mEffects.apply(mObject,wind);


  		




  
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      mWind = wind;


  		




  
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      mEffects.setWind(mWind);


  		




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      }


  		




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///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  ......




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   public void onSurfaceChanged(GL10 glUnused, int width, int height) 


  		




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      {


  		




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      mObject.abortEffects(EffectTypes.MATRIX);


  		




  
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      mObject.abortEffects(EffectTypes.VERTEX);


  		




  
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      mObject.abortEffects(EffectTypes.FRAGMENT);


  		




  
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      float factor = 0.8f*(width<height? width:height)/mObjWidth;


  		




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      mObject.move( new Static3D( (width-factor*mObjWidth)/2 + width/8 , (height-factor*mObjHeight)/2 -height/4 , 0) );


  		




  ......




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      mObject.rotate(angle, axis, center);


  		




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      mEffects.apply(mObject, mWind);


  		




  
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      Distorted.onSurfaceChanged(width, height);


  		




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      }


  		




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