vector red = <1,0,0>;
vector green = <0,1,0>;
vector blue = <0,0,1>;

float rate = 0.05;
float speed = 0.2;
integer switch1 = 1;
integer switch2 = 2;
integer switch3 = 3;
integer switch4 = 4;
integer switch5 = 5;
integer switch6 = 6;
integer switch = -1;
integer currentFade = 1;

vector ColorCube(vector currColor)
{
    if (currColor.x < 0)
        currColor.x = 0;
    if (currColor.y < 0)
        currColor.y = 0;
    if (currColor.z < 0)
        currColor.z = 0;

    // From red to yellow
    if ( currentFade == switch1 && currColor.y < 1.0 )
        return (currColor + <0,rate,0>);
    else if( currentFade == switch1 && currColor.y >= 1.0 )
        currentFade = switch2;

    // From yellow to green
    if ( currentFade == switch2 && currColor.x > 0.0 )
        return (currColor - <rate, 0, 0>);
    else if( currentFade == switch2 && currColor.x <= 0.0 )
        currentFade = switch3;

    // From green to blue/green
    if ( currentFade == switch3 && currColor.z < 1.0 )
        return (currColor + <0, 0, rate>);
    else if( currentFade == switch3 && currColor.z >= 1.0 )
        currentFade = switch4;

    // From blue/green to blue
    if ( currentFade == switch4 && currColor.y > 0.0 )
        return (currColor - <0, rate, 0>);
    else if( currentFade == switch4 && currColor.y <= 0.0 )
    {
        currentFade = switch5;
    }

    // From blue to purple
    if ( currentFade == switch5 && currColor.x < 1.0 )
        return (currColor + <rate, 0, 0>);
    else if( currentFade == switch5 && currColor.x >= 1.0)
        currentFade = switch6;

    // From purple to red
    if ( currentFade == switch6 && currColor.z > 0.0 )
        return (currColor - <0, 0, rate>);
    else if( currentFade == switch6 && currColor.z <= 0.0 )
        currentFade = switch1;

    return currColor;
}

default
{
    state_entry()
    {

    }
    on_rez( integer param )
    {
        switch = 1;
        llSetColor( <1,0,0> , ALL_SIDES );
        llSetTimerEvent( speed );
    }



    timer()
    {
        vector color = ColorCube(llGetColor(ALL_SIDES));
        llSetColor(color, ALL_SIDES);
        llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_POINT_LIGHT, TRUE, color, 1.0, 10.0, 0.5]);
    }
}