Distance to ground

[MTA.Castiel]

Hi there,  how do we calculate the distance from a player to the ground? - In this case for example, we're flying a helicopter so the ground may be anything below us such as the roof top of a tall building or a mountain top or a hill. 

In the example code below when i output the 'z' coordinate it doesn't compensate for anything else below the player, rather acts as a measurement of how high or low i seem to be from 0 (water level).

 

function outputGroundDis ( )

	local x, y, z = getElementPosition ( localPlayer )
	outputChatBox ( math.floor ( z ) )

	if math.floor ( z ) == 100 then
		--triggerEvent ( "heightWarning", localPlayer )
		outputChatBox ( "event triggered" )
	end
end
setTimer ( outputGroundDis, 1000, 0 )

 

[Shady1]

hello @MTA.Castiel 
Get ground coordinates with getGroundPosition
GetDistancePointBetween3D to find distance.

addCommandHandler("distanceground",
    function()
       local px, py, pz = getElementPosition(localPlayer)
       local groundPosition = getGroundPosition(px, py, pz)
       local distanceGround = getDistanceBetweenPoints3D(px, py, pz, px, py, groundPosition)
       outputDebugString("distance ground:"..distanceGround)
    end
)

you can do a test run

Edited November 14, 2022 by Shady1

[MTA.Castiel]

Thats perfect, many thanks Shady.  

[Shady1]

you're welcome, if you have any other requests, all you have to do is open a new topic and tag me