llGetAlpha

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/LSL

GetAlpha

llGetAlpha

Summary

Function: float llGetAlpha( integer face );

0.0	Forced Delay
10.0	Energy

Returns a float that is the alpha of face.

• integer

face

–

face number or ALL_SIDES

If face is ALL_SIDES then the function returns the sum of alpha of all the faces on the prim. The return is in the range [0, 1] times the number of sides.

Caveats

• If face indicates a face that does not exist the return is 0.0

Examples

<lsl>//Tells the owner the alpha on all sides default {

   state_entry()
   {
       integer i = 0;
       integer max = llGetNumberOfSides();
       while(i < max)
       {
           llSay(0,"Face "+(string)i+" alpha is " + (string)llGetAlpha(i));
           ++i;
       }
   }

}</lsl>

Useful Snippets

<lsl>float AveragePrimAlpha() {//Since this is so simple you may just want to inline it instead of including the function.

   return (llGetAlpha(ALL_SIDES) / llGetNumberOfSides());

}</lsl>

See Also

Functions

•	llSetAlpha	–	Sets the prim's alpha
•	llGetColor	–	Gets the prim's color
•	llSetColor	–	Sets the prim's color
•	llSetLinkColor	–	Sets link's color
•	llSetLinkAlpha	–	Sets link's alpha
•	llGetNumberOfSides	–	Gets the number of faces on the prim

Articles

•

Translucent Color

Deep Notes

Signature
function float llGetAlpha( integer face );