Difference between revisions of "LlGround"

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|return_text=that is the ground height directly below the prim plus an '''offset'''
|return_text=that is the ground height directly below the prim plus an '''offset'''
|spec
|spec
|caveats=
|caveats=*The requested position needs to be in the same sim.
|constants
|constants
|examples=The requested position needs to be in the same sim
|examples=
<lsl>// Get the object to land on the ground or on the water
<lsl>// Get the object to land on the ground or on the water
// by Konigmann Lippmann & Strife Onizuka
// by Konigmann Lippmann & Strife Onizuka

Revision as of 02:35, 30 August 2008

Summary

Function: float llGround( vector offset );

Returns a float that is the ground height directly below the prim plus an offset

• vector offset

Only the X and Y coordinates of the offset are important.

Caveats

  • The requested position needs to be in the same sim.
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Examples

<lsl>// Get the object to land on the ground or on the water // by Konigmann Lippmann & Strife Onizuka FindGroundOrWater() {

   float fHeight = llGround( ZERO_VECTOR );
   float fWaterLevel = llWater( ZERO_VECTOR );
   if( fHeight < fWaterLevel )
       fHeight = fWaterLevel;
   vector vTarget = llGetPos();
   //llSetPos can only move 10m at a time.
   integer iCounter = 1 + llAbs((integer)(vTarget.z - fHeight) / 10);
   vTarget.z = fHeight;
   do
       llSetPos( vTarget );
   while( --iCounter );

}

default {

   touch_start(integer total_number)
   {
       FindGroundOrWater();
   }
}</lsl>

See Also

Functions

•  llGroundContour Gets the ground contour
•  llGroundNormal Gets the ground normal
•  llGroundSlope Gets the ground slope
•  llEdgeOfWorld Returns existence of neighboring sims

Deep Notes

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Signature

function float llGround( vector offset );