Rainbow palette

<lsl> // 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)+">");
       }
   }
  

}

</lsl>

<lsl> // 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);
   }

} </lsl>

Modified version with fixed floats and "organized" :)

<lsl> // 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);
   }

} </lsl>