Revision 68491be2

b/frag.voxelize.frag
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uniform vec2 voxels_offset;
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uniform int vMethod;
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uniform int vShowTexture;
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uniform int vVoxelType;
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// Uniform from OSG


  		





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uniform mat4 osg_ViewMatrixInverse;


  		





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        vec4 lFragmentPosition = gl_ProjectionMatrix * osg_ViewMatrix * vPos;


  		





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        lFragmentPosition.xyz /= lFragmentPosition.w;


  		





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        vec2 lDistance = abs(lVoxelPosition.xy - lFragmentPosition.xy);


  		





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        if(lDistance.x > lSize)


  		





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            output_alpha = 0.f;


  		





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        if(lDistance.y > lSize)


  		





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            output_alpha = 0.f;


  		





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        if(vVoxelType == 0)


  		





  
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        {


  		





  
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            vec2 lDistance = abs(lVoxelPosition.xy - lFragmentPosition.xy);


  		





  
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            if(lDistance.x > lSize)


  		





  
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                output_alpha = 0.f;


  		





  
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            if(lDistance.y > lSize)


  		





  
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                output_alpha = 0.f;


  		





  
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        }


  		





  
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        else if(vVoxelType == 1)


  		





  
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        {


  		





  
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            float lDistance = length(lVoxelPosition.xy - lFragmentPosition.xy);


  		





  
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            if(lDistance > lSize)


  		





  
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                output_alpha = 0.f;


  		





  
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        }


  		





  
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        if(vShowTexture == 0)


  		





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            gl_FragColor = vec4(lLight, lLight, lLight, output_alpha);


  		





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        else


  		












  

    
      b/launch.lunch
    
  






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PDARGS = "-path /usr/local/lib/pd-externals/pdsheefa"


  		





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add_command("pd -noaudio %s shaders-proto.pd" % (PDARGS), identifier="pd")


  		





  
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add_command("pd-extended -noaudio %s shaders-proto.pd" % (PDARGS), identifier="pd")


  		





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add_command("spinserver --scene-id shaders", identifier="server")


  		





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add_command("spinviewer --scene-id shaders", identifier="viewer")


  		





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      b/shaders-proto.pd
    
  






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#X obj 565 295 r \$0-shader;


  		





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10219;


  		





  
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15684;


  		





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#X obj 625 194 symbol;


  		





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#X obj 488 52 to-spin localhost 54324 /shaders;


  		





  ......




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#X obj 116 1011 pack f f;


  		





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#X msg 116 1031 /vid setUniform_vec2 voxels_size \$1 \$2;


  		





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-1 -1 253 1;


  		





  
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-1 -1 388 1;


  		





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#X msg 244 1054 /vid setUniform_vec2 voxels_offset \$1 \$2;


  		





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#X msg 363 1029 /vid setUniform_vec2 voxels_distance \$1 \$2;


  		





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#X msg 305 900 0.5;


  		





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#X obj 307 666 vsl 15 150 0 0.1 0 0 empty empty Size 0 -9 0 10 -4032


  		





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1;


  		





  ......




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#X text 538 557 SHADER------------------------>;


  		





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#X msg 156 225 /vid setPath /home/manu/dev/proto-shader-voxelize/videoloop.mp4


  		





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;


  		





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#X msg 626 167 /home/manu/dev/proto-shader-voxelize;


  		





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#X obj 636 413 subwidget-PAT \$0;


  		





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#X msg 615 358 guru;


  		





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#X msg 693 359 box;


  		





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#X msg 478 967 /vid setUniform_int vMethod \$1;


  		





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#X obj 478 779 hradio 15 1 0 5 empty empty Voxelize_method 0 -8 0 10


  		





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#X text 357 632;


  		





  
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#X text 357 632 comment;


  		





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-1 -1 0 1;


  		





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#X msg 645 930 /vid setUniform_int vShowTexture \$1;


  		





  
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#X msg 625 167 /home/manu/src/proto-shader-voxelize;


  		





  
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#X obj 800 780 hradio 15 1 0 2 empty empty Voxel_type 0 -8 0 10 -4032


  		





  
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-1 -1 1;


  		





  
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#X msg 800 966 /vid setUniform_int vVoxelType \$1;


  		





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      b/voxelize.jxs
    
  






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    <param name="voxels_offset" type="vec2" default="0.0 0.0" />


  		





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    <param name="vMethod" type="int" default="4" />


  		





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    <param name="vShowTexture" type="int" default="0" />


  		





  
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    <param name="vVoxelType" type="int" default="0" />


  		





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    <language name="glsl" version="1.2"> 


  		





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        <bind param="image" program="frag" />


  		





  ......




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        <bind param="voxels_offset" program="frag" />


  		





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        <bind param="vMethod" program="frag" />


  		





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        <bind param="vShowTexture" program="frag" />


  		





  
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        <bind param="vVoxelType" program="frag" />


  		





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        <program name="vert" type="vertex" source="vert.passthru.vert" />


  		





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        <program name="frag" type="fragment" source="frag.voxelize.frag" />


  		












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