checkVisibility

1.56

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Description

Description:

Checks if one position is visible from another position and how much. The results can be affected by getTerrainGrid value, especially if position is near the ground. Particle effects such as smoke can also affect the results.

Groups:

Math - Geometry

Syntax

Syntax:

[ignore, LOD, ignore2] checkVisibility [beg, end]

Parameters:

[ignore, LOD, ignore2]: Array

ignore: Object - object to exclude from calculations

LOD: String - level of details to use. Possible values are: "FIRE", "VIEW", "GEOM", "IFIRE", "PHYSX" - PhysX geometry LOD (since Arma 3 v2.01.146666)

ignore2 (Optional): Object - second object to exclude from calculations (Since Arma 3 v1.61.136673)

[beg, end]: Array

beg: Array - start position in format PositionASL

end: Array - end position in format PositionASL

Return Value:

Number - how much end position is visible to start position in range 0..1, where 1 is fully visible.

Examples

Example 1:

_cansee = [objNull, "VIEW"] checkVisibility [eyePos player, eyePos unit1];

Additional Information

See also:

lineIntersectsWithlineIntersectsSurfaceslineIntersectsObjsintersectterrainIntersectterrainIntersectASLterrainIntersectAtASLlineIntersectscursorObjectcursorTargetdisableRemoteSensors

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 August 8, 2016 - 22:38 (UTC)

BaerMitUmlaut

Particles that have blockAIVisibility set to 1 will influence the result, but will not make checkVisibility return 0. Instead an extremly small number will be returned.
Distance, fog, overcast, rain and nighttime have no effect on the result.