lineIntersects: Difference between revisions

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| Checks for object intersection with a virtual line between two positions. Returns true if intersects with an object.
| Checks for object intersection with a virtual line between two positions. Returns true if intersects with an object.


<br><br>'''NOTE:''' Doesn't work under water. Max harcoded distance is 1000m.|= Description
<br><br>'''NOTE:''' Doesn't work under water. Max harcoded distance is 1000m.|DESCRIPTION=
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| '''lineIntersects''' [begPos, endPos, objIgnore1, objIgnore2] |= Syntax
| '''lineIntersects''' [begPos, endPos, objIgnore1, objIgnore2] |SYNTAX=
|p1=[begPos, endPos, objIgnore1, objIgnore2]: [[Array]] |= Parameter 1
|p1=[begPos, endPos, objIgnore1, objIgnore2]: [[Array]] |PARAMETER1=
|p2= begPos: [[PositionASL]] |= Parameter 2
|p2= begPos: [[PositionASL]] |PARAMETER2=
|p3= endPos: [[PositionASL]] |= Parameter 3
|p3= endPos: [[PositionASL]] |PARAMETER3=
|p4= objIgnore1: (optional) [[Object]] - object to ignore. When testing intersection from an object/unit/vehicle, pass that object here to prevent intersection inside of the object.|=Parameter 4
|p4= objIgnore1: (optional) [[Object]] - object to ignore. When testing intersection from an object/unit/vehicle, pass that object here to prevent intersection inside of the object.|PARAMETER4=
|p5= objIgnore2: (optional) [[Object]] - another object to ignore. When testing intersection of a line between two objects, pass the second object here to prevent interesection inside of it being reported|= Parameter 5
|p5= objIgnore2: (optional) [[Object]] - another object to ignore. When testing intersection of a line between two objects, pass the second object here to prevent interesection inside of it being reported|PARAMETER5=


| [[Boolean]] - true if intersection |= Return value
| [[Boolean]] - true if intersection |RETURNVALUE=
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|x1= <code>[[lineIntersects]] [ [[eyePos]] [[player]], [[aimPos]] chopper, [[player]], chopper]</code> |= Example 1
|x1= <code>[[lineIntersects]] [ [[eyePos]] [[player]], [[aimPos]] chopper, [[player]], chopper]</code> |EXAMPLE1=
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| [[lineIntersectsSurfaces]], [[intersect]], [[terrainIntersect]], [[terrainIntersectASL]], [[terrainIntersectAtASL]], [[lineIntersectsWith]], [[lineIntersectsObjs]], [[cursorObject]], [[cursorTarget]], [[checkVisibility]] |= See also
| [[lineIntersectsSurfaces]], [[intersect]], [[terrainIntersect]], [[terrainIntersectASL]], [[terrainIntersectAtASL]], [[lineIntersectsWith]], [[lineIntersectsObjs]], [[cursorObject]], [[cursorTarget]], [[checkVisibility]] |SEEALSO=


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Revision as of 14:42, 7 April 2019

Hover & click on the images for description

Description

Description:
Checks for object intersection with a virtual line between two positions. Returns true if intersects with an object.

NOTE: Doesn't work under water. Max harcoded distance is 1000m.
Groups:
Uncategorised

Syntax

Syntax:
lineIntersects [begPos, endPos, objIgnore1, objIgnore2]
Parameters:
[begPos, endPos, objIgnore1, objIgnore2]: Array
begPos: PositionASL
endPos: PositionASL
objIgnore1: (optional) Object - object to ignore. When testing intersection from an object/unit/vehicle, pass that object here to prevent intersection inside of the object.
objIgnore2: (optional) Object - another object to ignore. When testing intersection of a line between two objects, pass the second object here to prevent interesection inside of it being reported
Return Value:
Boolean - true if intersection

Examples

Example 1:
lineIntersects [ eyePos player, aimPos chopper, player, chopper]

Additional Information

See also:
lineIntersectsSurfacesintersectterrainIntersectterrainIntersectASLterrainIntersectAtASLlineIntersectsWithlineIntersectsObjscursorObjectcursorTargetcheckVisibility

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

Notes

Posted on may 31, 2012 - 10:46 (CEST)
Lou Montana
Please note the difference :

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