BIS fnc relPos: Difference between revisions
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{{RV|type=function | {{RV|type=function | ||
|arma2 | |game1= arma2 | ||
|version1= 1.00 | |||
|1.00 | |game2= arma2oa | ||
|version2= 1.50 | |||
|game3= tkoh | |||
|version3= 1.00 | |||
|game4= arma3 | |||
|version4= 0.50 | |||
|gr1= Positions | |gr1= Positions | ||
| Line 9: | Line 17: | ||
|gr2= Geometry | |gr2= Geometry | ||
|Returns a position that is a specified distance and compass direction from the passed position or object. {{Feature|arma3|In | |descr= Returns a position that is a specified distance and compass direction from the passed position or object. | ||
{{Feature|arma3|In {{arma3}} use [[getPos]]' [[getPos#Alternative Syntax 2|alternative syntax]] instead.}} | |||
|[ | |s1= [origin, distance, direction] call [[BIS_fnc_relPos]] | ||
|p1= | |p1= origin: [[Object]] or [[Position]] - object or position which should be used as initial point. | ||
|p2= distance: [[Number]] - | |p2= distance: [[Number]] - distance from initial point | ||
|p3= direction: [[Number]] - | |p3= direction: [[Number]] - direction from the intial position | ||
|[[Position]] | |r1= [[Position]] | ||
|x1= <code>[ [0,0,0], 1000, 50 ] [[call]] | |x1= <code>[<nowiki/>[0,0,0], 1000, 50] [[call]] [[BIS_fnc_relPos]]; {{cc|[766.044,642.788,0]}}</code> | ||
|seealso= [[getPos]] | |seealso= [[getPos]] | ||
}} | }} | ||
<dl class="command_description"> | <dl class="command_description"> | ||
| Line 38: | Line 40: | ||
<dt class="note">[[User:Lawman Actual|Lawman Actual]]</dt> | <dt class="note">[[User:Lawman Actual|Lawman Actual]]</dt> | ||
<dd class="note"> | <dd class="note"> | ||
The function appears to work in two dimensions, and as such can be used to find the position of a target relative to the player if bearing and distance are known. | The function appears to work in two dimensions, and as such can be used to find the position of a target relative to the player if bearing and distance are known. | ||
However, if there is a significant change in elevation between yourself and the target, the distance registered on a | However, if there is a significant change in elevation between yourself and the target, the distance registered on a rangefinder (which is measuring in a 3-dimensional straight line) will always be larger than the two-dimensional value required for [[BIS_fnc_relPos]] and as such air-strikes and ordnance called in using such a function can miss by several hundred metres in extreme cases. | ||
Currently searching for a method which incorporates the azimuth of the rangefinder in calculation. | Currently searching for a method which incorporates the azimuth of the rangefinder in calculation. | ||
</dd> | </dd> | ||
</dl> | </dl> | ||
Revision as of 17:20, 9 June 2021
Description
- Description:
- Returns a position that is a specified distance and compass direction from the passed position or object.
In Arma 3 use getPos' alternative syntax instead. - Execution:
- call
- Groups:
- PositionsGeometry
Syntax
- Syntax:
- [origin, distance, direction] call BIS_fnc_relPos
- Parameters:
- origin: Object or Position - object or position which should be used as initial point.
- distance: Number - distance from initial point
- direction: Number - direction from the intial position
- Return Value:
- Position
Examples
- Example 1:
[[0,0,0], 1000, 50] call BIS_fnc_relPos; // [766.044,642.788,0]
Additional Information
- See also:
- getPos
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 January 7, 2016 - 19:26 (UTC)
- Lawman Actual
- The function appears to work in two dimensions, and as such can be used to find the position of a target relative to the player if bearing and distance are known. However, if there is a significant change in elevation between yourself and the target, the distance registered on a rangefinder (which is measuring in a 3-dimensional straight line) will always be larger than the two-dimensional value required for BIS_fnc_relPos and as such air-strikes and ordnance called in using such a function can miss by several hundred metres in extreme cases. Currently searching for a method which incorporates the azimuth of the rangefinder in calculation.