quarta-feira, 14 de outubro de 2015

segunda-feira, 28 de setembro de 2015

Using UDIM maps in houdini

You need to check "UDIM Filename Expansion".
Than if you have UDIM textures like "pic.1001.tif" in filename need to enter "pic.%(UDIM)d.tif".

quarta-feira, 8 de abril de 2015

Sierpinski_triangle

Crie um Cubo e Rode o Script com o Cubo selecionado :


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global proc int sierp(int $counter , int $max)
{
    int $currentCounter = $counter ;
    if($currentCounter == $max)
    {
        return 0 ;
    }
    
    
    string  $objs[];
    clear($objs);
    $objs = `ls -sl -tr`;
    
    
    string $newObjsList[];
    clear($newObjsList);
    
    for( $item in $objs)
    {
        string $tempArray[];
        // pega Bouding Box 
        float $bbox[]= `polyEvaluate -b $item`;
        // separa em elemtos
        float $xmin = $bbox[0];
        float $xmax = $bbox[1];
        float $ymin = $bbox[2];
        float $ymax = $bbox[3];
        float $zmin = $bbox[4];
        float $zmax = $bbox[5];
        
        //print $xmin ;
        //print "\n" ;
        //print $xmax ;
        //print "\n" ;
        
        // acha divisoes
        float $quarter = ($xmax -  $xmin)/4;
        float $half = ($xmax - $xmin) /2;
        
        float $leftQuarter = ($xmin + $quarter);
        float $rightQuarter = ($xmax - $quarter);
        
        float $mid = $xmin + $half ;
        
        
        float $bottomQuarter = ($ymin + $quarter);
        float $topQuarter = ($ymax - $quarter);
        float $topMid = ($ymax - $half);
        
        float $frontQuarter = ($zmax - $quarter); 
        float $backQuarter = ($zmin + $quarter);
        float $frontMid = ($zmax - $half);
        
        
        //********** CRIA CUBOS ************
        //LEFT BOTTOM FRONT
        $tempArray = `polyCube -w $half  -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`;
        move -absolute $leftQuarter $bottomQuarter $frontQuarter ; 
        $newObjsList[size($newObjsList)] = $tempArray[0];
        clear($tempArray);
        
        //RIGHT BOTTOM FRONT
        $tempArray = `polyCube -w $half  -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`;
        move -absolute $rightQuarter $bottomQuarter $frontQuarter ; 
        $newObjsList[size($newObjsList)] = $tempArray[0];
        clear($tempArray);     
        
        //LEFT BOTTOM BACK
        $tempArray = `polyCube -w $half  -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`;
        move -absolute $leftQuarter $bottomQuarter $backQuarter ; 
        $newObjsList[size($newObjsList)] = $tempArray[0];
        clear($tempArray);    
        
        //RIGHT BOTTOM BACK
        $tempArray = `polyCube -w $half  -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`;
        move -absolute $rightQuarter $bottomQuarter $backQuarter ; 
        $newObjsList[size($newObjsList)] = $tempArray[0];
        clear($tempArray);    
        
        // MID TOP FRONTMID
        $tempArray = `polyCube -w $half  -h $half -d $half -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 1`;
        move -absolute $mid $topQuarter $frontMid ; 
        $newObjsList[size($newObjsList)] = $tempArray[0];
        clear($tempArray);
        // DELETA OBJ ORIGINAL
        delete $item;
        }
    $currentCounter += 1;
    select $newObjsList;
    sierp($currentCounter ,  $max);
    return 0;
    
}

sierp(0,  5);