llGround

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/LSL

Ground

llGround

Summary

Function: float llGround( vector offset );

42	Function ID
0.0	Forced Delay
10.0	Energy

Returns a float that is the ground height below the object position + offset

• vector

offset

The requested position needs to be in the same sim, only the X & Y of the offset are important.

Caveats

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Examples

FindGroundOrWater()
{
    //llSay(0, "Finding Ground.");
    float fGroundHeight = llGround( <0,0,0> );
    float fWaterLevel = llWater( <0,0,0> );
    integer iRepeats = 0;
	if( fGroundHeight < fWaterLevel )
		fGroundHeight = fWaterLevel;
    vector vOldPosition = llGetPos();
    vector vNewPosition = vOldPosition;
    vNewPosition.z = fGroundHeight;
    //llSay(0, "New location should be:" + (string)vNewPosition );
    while( (llAbs((integer)(vOldPosition.z - vNewPosition.z)) > 2.0 ) && (fGroundHeight>iRepeats) )
    {
        llSetPos( vNewPosition );
        vOldPosition = llGetPos();
    	//llSay(0, "vOldPosition=[" + (string)vOldPosition +"]" );
    	iRepeats++;	//iRepeats is used as a safety valve to make sure that this routine doesn't repeat forever.
    }
}

default
{
    state_entry()
    {
        //llSay(0, "default:state_entry");
    }

    touch_start(integer total_number)
    {
        FindGroundOrWater();
    }
}

See Also

Functions

•	llGroundContour	–	Gets the ground contour
•	llGroundNormal	–	Gets the ground normal
•	llGroundSlope	–	Gets the ground slope

Deep Notes

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Signature
function float llGround( vector offset );