Rainbow palette

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// Rainbow Palette by Rui Clary
// This script will only run in Mono enabled, Second Life  Viewer 1.21 or above.
//
// Interactive Rainbow Palette
//
// Add this script to a cube prim and add "Listen Palete" script to another Object.
// You can resize and stretch the cube, the way you want, to make it look like a color palette.
// Touch face 1 of "Rainbow Palette" to change "Listen Object" color.
//
// Modified by Rui Clary on 2011.06.20 - some corrections
// Available under the Creative Commons Attribution-ShareAlike 3.0 license
// http://creativecommons.org/licenses/by-sa/3.0/
 
default
{
    state_entry()
    {
        llSetObjectName("pal");
        llSetTexture ("5748decc-f629-461c-9a36-a35a221fe21f",ALL_SIDES);
        llSetTexture("5543eaa7-4283-8383-eef9-945c0b3f25c7",1);
    }
    touch(integer num_detected) 
    {
         float x;
         float r;
         float g;
         float b;
         vector touchedpos = llDetectedTouchST(0);  
         if (llDetectedTouchFace(0)==1)
         {  
            x=360*touchedpos.x;
            r=0;
            g=0;
            b=0;
            if (x>=0&&x<=60){
                r=255;
		g=x*255/60;
            }
            if (x>60&&x<=120){
                r=255-(x-60)*255/60;
                g=255;
            }
            if (x>120&&x<=180){
                g=255;
                b=(x-120)*255/60;
            }
            if (x>180&&x<240){
                g=255-(x-180)*255/60;
                b=255;
            }        
            if (x>240&&x<300){
                r=(x-240)*255/60;
                b=255;
            }    
            if (x>300&&x<=360){
                r=255;
		b=255-(x-300)*255/60;
            }  
                llSay(4,"<"+(string)(r/255)+","+(string)(g/255)+","+(string)(b/255)+">");
        }
    }
 
}
// Rainbow Palette Listen Script by Rui Clary
//
// Second component of Rainbow Palette 
//
// Add this script to  "Listen Object".
 
 
default
{
    state_entry()
    {
        llSetTexture ("5748decc-f629-461c-9a36-a35a221fe21f",ALL_SIDES);
        llListen( 4, "pal", NULL_KEY, "" ); 
    }
   listen( integer channel, string name, key id, string message )
    {
        llSetColor((vector)message,0);
    }
}

Modified version with fixed floats and "organized" :)

// Bsed on Rainbow Palette by Rui Clary
//
// Modified by Jor3l Boa. Better interface and more readable :P
//
// Modified by Rui Clary on 2011.06.20 - some corrections
//
// Available under the Creative Commons Attribution-ShareAlike 3.0 license
// http://creativecommons.org/licenses/by-sa/3.0/
 
// devolverString -> Convert and return a vector without .0000 and other
// float things :)
devolverString(float r, float g, float b) {
    string _vector = "<";
    if(r <= 0)  {
        _vector += "0,";
    }
    else if(r == 1) {
        _vector += "1,";
    }
    else    {
        string temp = (string)r;
        while(llGetSubString(temp,llStringLength(temp)-1,-1) == "0")    {
            temp = llDeleteSubString(temp,llStringLength(temp)-1,-1);
        }
        _vector += temp+",";
    }
    //----------------
    if(g <= 0)  {
        _vector += "0,";
    }
    else if(g == 1) {
        _vector += "1,";
    }
    else    {
        string temp = (string)g;
        while(llGetSubString(temp,llStringLength(temp)-1,-1) == "0")    {
            temp = llDeleteSubString(temp,llStringLength(temp)-1,-1);
        }
        _vector += temp+",";
    }
    //----------------
    if(b <= 0)  {
        _vector += "0>";
    }
    else if(b == 1) {
        _vector += "1>";
    }
    else    {
        string temp = (string)b;
        while(llGetSubString(temp,llStringLength(temp)-1,-1) == "0")    {
            temp = llDeleteSubString(temp,llStringLength(temp)-1,-1);
        }
        _vector += temp+">";
    }
    //----------------
    llSay(0,"Color: "+_vector);
}
 
default
{
    state_entry()
    {
        llSetObjectName("pal");
        llSetTexture ("5748decc-f629-461c-9a36-a35a221fe21f",ALL_SIDES);
        llSetTexture("5543eaa7-4283-8383-eef9-945c0b3f25c7",1);
    }
    touch_start(integer num_detected) 
    {
        float x;float r;float g;float b;
        vector touchedpos = llDetectedTouchST(0);   
 
        if(llDetectedTouchFace(0) != 1) { return;   }
        x=360*touchedpos.x;
        r=0;
        g=0;
        b=0;
        if (x>=0&&x<=60){
            r=255;
            g=x*255/60;
        }
        if (x>60&&x<=120){
            r=255-(x-60)*255/60;
            g=255;
        }
        if (x>120&&x<=180){
            g=255;
            b=(x-120)*255/60;
        }
        if (x>180&&x<240){
            g=255-(x-180)*255/60;
            b=255;
        }        
        if (x>240&&x<300){
            r=(x-240)*255/60;
            b=255;
        }    
        if (x>300&&x<=360){
            r=255;
            b=255-(x-300)*255/60;
        }  
        r = (r/255);
        g = (g/255);
        b = (b/255);
        //CONVERSION
        devolverString(r,g,b);
    }
 
}

In order for the above script to work as the original some corrections should be added.

Replace:

llSay(0,"Color: "+_vector);

with:

llSay(4,_vector);

Replace:

touch_start

with:

touch