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llGetAlpha

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function
Function syntax
float llGetAlpha(
  1. integer face// Face number or ALL_SIDES. Values: Faces
);
Returns
float
Energy
10

Otherwise the return is in the range [0, 1], with 0.0 being fully transparent and 1.0 being fully solid.

Returns a float that is the Blinn-Phong alpha of face.

How to use
float result = llGetAlpha(0);

Examples

Section titled “Examples”
Example 1
//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;
        }
    }
}

Helper functions

Section titled “Helper functions”
float AveragePrimAlpha()
{//Since this is so simple you may just want to inline it instead of including the function.
    return (llGetAlpha(ALL_SIDES) / llGetNumberOfSides());
}
//if face 0 is "transparent" then make the prim "visible"
if (llGetAlpha(0))  ;
else llSetAlpha(1.0, ALL_SIDES);

See also

Section titled “See also”

Functions

Section titled “Functions”
Original wiki source

Some wiki templates and tables need their original context. View this article on the Second Life Wiki. Technical wording and examples are retained from the source; historical guidance may differ from current behavior.