distance
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Description
 Description:

Returns a distance in meters between Objects, Positions or Locations.
 Groups:
 Math  Geometry
Syntax 1
 Syntax:
 param1 distance param2
 Parameters:
 param1: Object or Array in format PositionAGL or Position2D
 param2: Object or Array in format PositionAGL or Position2D
 Return Value:
 Number  distance in meters or 1e10 if distance cannot be calculated
Syntax 2
 Syntax:
 location1 distance location2
 Parameters:
 location1: Location or Array in format Position or Position2D
 location2: Location or Array in format Position or Position2D
 Return Value:
 Number  distance in meters or 1e10 if distance cannot be calculated
Syntax 3
 Syntax:
 a distance b
 Parameters:
 a: Number
 b: Number
 Return Value:
 Number  distance c calculated as c = sqrt(a * a + b * b);
Examples
 Example 1:
 Example 2:
 Example 3:
 Example 4:
Additional Information
 See also:
 distanceSqr vectorDistance distance2D
Notes

Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
 Posted on Feb 14, 2007  16:47 (UTC)
 Distance to position3D (array) does not work with Operation Flashpoint, only objects Armed Assault: position3D (array) and object works
 Posted on Mar 10, 2010  07:54 (UTC)
 This returns the map distance, not the vector distance, [0,0,0] distance [0,0,1] can be >1 or <1, not exactly 1; unlike the vector math.
 Posted on Aug 03, 2012  10:15 (UTC)
 If a position in format [x, y, z] is provided for both arguments, distance also checks the z dimension as well. Ie: player distance [0,0,200] will return 200, if the player is at this position at ground/sea level.
 Posted on Mar 23, 2014  02:52 (UTC)

When objects are supplied as arguments, distance is calculated from their model center (object modelToWorld [0,0,0]), and not the position returned by getPos/ATL/ASL.
However, this is not relevant for units, as their model center matches their world position.
Categories:
 Scripting Commands
 Introduced with Operation Flashpoint version 1.00
 Operation Flashpoint: New Scripting Commands
 Operation Flashpoint: Scripting Commands
 Operation Flashpoint: Elite: Scripting Commands
 ArmA: Armed Assault: Scripting Commands
 Arma 2: Scripting Commands
 Arma 2: Operation Arrowhead: Scripting Commands
 Take On Helicopters: Scripting Commands
 Arma 3: Scripting Commands
 Command Group: Math  Geometry