LlSetColor
De DigiWiki.
integer face = -1; vector color = <1.0, 1.0, 1.0>; default { touch_start(integer num) { if(~face)//quick & dirty check for -1 llSetColor(color, face); //restore the color face = (face + 1) % llGetNumberOfSides(); //increment and keep the face number in range color = llGetColor(face); //save the face's color llSetColor(<0.5, 0.0, 0.0>, face );//change the face's color } }