How do you know what color 0,0,1.0 is ?

Justin Israel wrote:

The switch statement has some limitations for your application. You can’t use an array as a switch expression, and you can’t use vector variables as switch cases…

Vector with switch:

|vector $myColor =<<0, 0, 1.0>>;

switch ($myColor){
     case<<1.0, 0, 0>>:
         print "RED!";
         break;
     case<<1.0, 1.0, 1.0>>:
         print "WHITE!";
         break;

     case<<0, 0, 1.0>>:
         print "'merica!";
         break;

     default:
         print "nada.";
         break;

}
|

Array with if-else:

|int $redColor[3] = {255, 0, 0};
int $whiteColor[3] = {255, 255, 255};

int $blueColor[3] = {0, 0, 255};

$myColor2 = $blueColor;

// Because I barely know MEL these days and I don't know
// a better way to compare int arrays.
proc int equalColors(int $left[], int $right[]) {
     if (size($left) != 3) {
         return false;
     }
     if (size($right) != 3) {
         return false;
     }

     int $i;
     for ($i=0; $i<  3; $i++) {
         if ($left[$i] != $right[$i]) {
             return false;
         }
     }
     return true;
}

if (equalColors($myColor2, $redColor)) {
     print "RED!";
} else if (equalColors($myColor2, $whiteColor)) {
     print "WHITE!";
} else if (equalColors($myColor2, $blueColor)) {
     print "'merica!";
} else {
     print "nada.";
}
|

You are probably better off with an if-else.

Justin

On Mon, Oct 5, 2015 at 8:27 AM Christopher. [email protected] <http://mailto:[email protected]> wrote:

    The color values should be in an array ?
    $color = [22,204,61],[34,56,165];


    On Sunday, October 4, 2015 at 2:51:55 PM UTC-4, Justin Israel wrote:

        Arrays:
        
http://download.autodesk.com/global/docs/maya2014/en_us/files/Arrays_vectors_and_matrices_Arrays.htm

        Vectors:
        
http://download.autodesk.com/global/docs/maya2014/en_us/index.html?url=files/Arrays_vectors_and_matrices_Vectors.htm,topicNumber=d30e790326


        On Mon, 5 Oct 2015 7:15 AM Christopher.
        <[email protected]> wrote:

            I want to change the color of a sphere using Switch in MEL
            this is what I have thus far, it is not working ?

            Can you store RGB values in a int ?

            ||
            string$obj_sphere =pSphere1;
            int$color =22,204,61;
            switch($color){
            case$obj_sphere:104,160,60;
            break;
            }

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