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Revision 3fc9327a

Added by Leszek Koltunski about 7 years ago

Use Transform Feedback to (optionally) display the Normal vectors.

View differences:

src/main/java/org/distorted/library/MeshObject.java
38 38 
   static final int POS_DATA_SIZE= 3;
39 39 
   static final int NOR_DATA_SIZE= 3;
40 40 
   static final int TEX_DATA_SIZE= 2;
41 
   static final int NDC_DATA_SIZE= 2;
42 41 

  		




  43
  42
  
    
   static final int OFFSET0 =                                                           0;


  		




  44
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   static final int OFFSET1 = (POS_DATA_SIZE                            )*BYTES_PER_FLOAT;


  		




  45
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   static final int OFFSET2 = (POS_DATA_SIZE+NOR_DATA_SIZE              )*BYTES_PER_FLOAT;


  		




  46
  45
  
    

  		




  47
  
  
    
   static final int TFSIZE  = (POS_DATA_SIZE+NOR_DATA_SIZE+NDC_DATA_SIZE)*BYTES_PER_FLOAT;


  		




  
  46
  
    
   static final int TFSIZE  = (POS_DATA_SIZE+POS_DATA_SIZE              )*BYTES_PER_FLOAT;


  		




  48
  47
  
    
   static final int VERTSIZE= (POS_DATA_SIZE+NOR_DATA_SIZE+TEX_DATA_SIZE)*BYTES_PER_FLOAT;


  		




  49
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  49
  
    
   boolean mShowNormals;


  		




  
  50
  
    

  		




  50
  51
  
    
   int numVertices;


  		




  51
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   FloatBuffer mVertAttribs;   // packed: PosX,PosY,PosZ, NorX, NorY,NorZ, TexS, TexT


  		




  52
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   int[] mAttVBO = new int[1]; // server-side packed vertex attributes


  		




  ......




  62
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     super(DistortedObject.NOT_CREATED_YET,DistortedObject.TYPE_USER);


  		




  63
  64
  
    

  		




  64
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     zFactor = factor;


  		




  
  66
  
    
     mShowNormals = false;


  		




  65
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     recreate();


  		




  66
  68
  
    
     }


  		




  67
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  ......




  132
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 * This is used to be able to quickly compute, in window coordinates, the Mesh'es bounding rectangle.


  		




  133
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 */


  		




  134
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   abstract float[] getBoundingVertices();


  		




  
  137
  
    

  		




  
  138
  
    
///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  
  139
  
    
/**


  		




  
  140
  
    
 * When rendering this Mesh, do we want to render the Normal vectors as well?


  		




  
  141
  
    
 *


  		




  
  142
  
    
 * @param show Controls if we render the Normal vectors or not.


  		




  
  143
  
    
 */


  		




  
  144
  
    
   public void setShowNormals(boolean show)


  		




  
  145
  
    
     {


  		




  
  146
  
    
     mShowNormals = show;


  		




  
  147
  
    
     }


  		




  135
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   }


  		




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