llSetText

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/LSL

SetText

llSetText

Summary

Function: llSetText( string text, vector color, float alpha );

0.0	Forced Delay
10.0	Energy

Displays text that hovers over the prim with specific color and translucency (specified with alpha).

• string	text	–	text to display
• vector	color	–	color in RGB <R, G, B> (<0.0, 0.0, 0.0> = black, <1.0, 1.0, 1.0> = white)
• float	alpha	–	from 0.0 (clear) to 1.0 (solid) (0.0 <= alpha <= 1.0)

Caveats

• If more than one llSetText is called (By reset,interaction or script state) within a prim the latest call will take priority over the previous.
• text is limited to 254 bytes, if the string is longer it will be truncated to 254 bytes, even if that means the truncation will chop a character in half.
• An unbroken line of text of a great length may be broken automatically into two lines (one above the other).
• Floating text can be seen through walls and other object. Be considerate of neighbors in malls and apartment buildings.
  • Visability distance increases with prim size.
• There is no way for a script to determine the prim's current floating text or detect when it is changed.
  • There is no llGetText function or CHANGED_TEXT changed event flag.
• Removing the script or deactivating it will not remove the prim's floating text.
  • Floating text is a prim property and not dependent on a script for its continued existence.
• To remove floating text, use the following:

<lsl>llSetText("", <1.0, 1.0, 1.0>, 1.0);</lsl>

• Shift-copying does not keep the floating text prim property. If the llSetText() script is not triggered when a copy made, the copy will not have the floating text.
• Vertical whitespace is removed from the end of the text string, so if you want vertical whitespace put any character (like a space) on the last line.
• Multiple linebreaks with empty lines are converted to a single linebreak, so add a whitespace character on every line you want to skip:

<lsl>llSetText("Monkeys\n\n\n\n\n", <1.0, 1.0, 1.0>, 1.0);//Bad llSetText("Monkeys\n \n \n \n \n ", <1.0, 1.0, 1.0>, 1.0);//Good</lsl>

Examples

Example of how llSetText could be included in default code to show object's name in green text: <lsl>default {

   state_entry()
   {
        llSay(0, "Hello, Avatar!");
        llSetText(llGetObjectName(), <0.0, 1.0, 0.0>, 1.0); // Display the object's current name in green
   }

   touch_start(integer total_number)
   {
        llSay(0, "Touched.");
   }

}</lsl> By default the floating text will appear on a single line. However, the floating text can be spread over multiple lines by using a line break "\n" (read SplitLine in section 'See Also').

Color & Alpha

Color	Code
White	<1.0, 1.0, 1.0>
Grey	<0.5, 0.5, 0.5>
Black	<0.0, 0.0, 0.0>
Red	<1.0, 0.0, 0.0>
Green	<0.0, 1.0, 0.0>
Blue	<0.0, 0.0, 1.0>

The x, y & z components of the vector are used to represent red, green, and blue respectively. The range is different than traditional RGB, instead of being 0 -> 255, LSL uses 0 -> 1. <1.0, 1.0, 1.0>, means "white" and <0.0, 0.0, 0.0> means "black": <lsl>llSetText("I am white", <1.0, 1.0, 1.0>, 1.0);//white text</lsl> <lsl>llSetText("I am black", <0.0, 0.0, 0.0>, 1.0);//black text</lsl> The 1.0 is the alpha setting. 1.0 means fully opaque, and 0.0 would be completely transparent (invisible): <lsl>llSetText("alpha", <0.0, 1.0, 0.0>, 0.5);//50% translucent green text</lsl>

Multiple lines

<lsl>llSetText("I am \n on two lines!", <0.0, 1.0, 0.0>, 1.0);//two lines of green text</lsl>

Useful Snippets

Drag this script out of inventory onto an object to erase its set text: <lsl>// http://wiki.secondlife.com/wiki/llSetText default {

   state_entry()
   {
       llSetText("", <1.0, 1.0, 1.0>, 1.0);
       llRemoveInventory(llGetScriptName());
   }

}</lsl> Code to easily specify appearance of hovertext: <lsl> vector blue = <0,0,1>; vector orange = <1,0.5,0>; vector cyan = <0,1,1>; vector pink = <1,0.5,0.76>; vector green = <0,1,0>; vector red = <1,0,0>; vector white = <1,1,1>; vector yellow = <1,1,0.1>; vector purple = <1,0,1>; vector black = <0,0,0>;

string hoverText = "TEXT GOES HERE"; // Sets the text vector hoverColor = white; // Sets the color the text will show. Use predefined colors or any RGB color vector in float form float hoverAlpha = 1.0; // Sets the text's transparency, 1.0 being SOLID, while 0 would be clear,

default {

   state_entry()
   {
       llSetText(hoverText, hoverColor, hoverAlpha);
   }

}</lsl>

Notes

To actually display text on a prim, see XyzzyText, or consider using parcel prim Media options (useful only if you have control over the land's media settings.)

See Also

Articles

•	Color in LSL
•	Translucent Color
•	Limits	–	SL limits and constrictions
•	Examples: SplitLine	–	Insert 'new line' escape codes at certain positions of a string
•	Useful snippet: llGetObjectPermMask	–	Label an object with text and newlines to give away or sell

Deep Notes

Signature
function void llSetText( string text, vector color, float alpha );