lineIntersectsObjs: Difference between revisions
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{{Command | {{Command | ||
| arma3 | | arma3 | ||
|1.10 | |1.10 | ||
|arg= global | |arg= global | ||
|gr1= Math - Geometry | |gr1= Math - Geometry | ||
| Returns list of objects intersected by given line from ''begPos'' to ''endPos''. | | Returns list of objects intersected by given line from ''begPos'' to ''endPos''. | ||
| '''lineIntersectsObjs''' [begPos, endPos, withObj, ignoreObj, sortByDistance, flags] | | '''lineIntersectsObjs''' [begPos, endPos, withObj, ignoreObj, sortByDistance, flags] | ||
|p1= begPos: [[PositionASL]] - virtual line start | |p1= begPos: [[PositionASL]] - virtual line start | ||
|p2= endPos: [[PositionASL]] - virtual line end | |p2= endPos: [[PositionASL]] - virtual line end | ||
|p3= withObj: [[Object]] | |p3= withObj: [[Object]] | ||
|p4= ignoreObj: [[Object]] | |p4= ignoreObj: [[Object]] | ||
|p5= sortByDistance: [[Boolean]] - [[true]]: furthest object first, closest object last; [[false]]: unsorted | |p5= sortByDistance: [[Boolean]] - [[true]]: furthest object first, closest object last; [[false]]: unsorted | ||
|p6= flags: [[Number]] | |p6= flags: [[Number]] | ||
<br>1 - CF_ONLY_WATER | <br>1 - CF_ONLY_WATER | ||
| Line 23: | Line 23: | ||
<br>16 - CF_FIRST_CONTACT | <br>16 - CF_FIRST_CONTACT | ||
<br>32 - CF_ALL_OBJECTS (Usable only with CF_FIRST_CONTACT and it will check one contact per object) | <br>32 - CF_ALL_OBJECTS (Usable only with CF_FIRST_CONTACT and it will check one contact per object) | ||
<br>Flags can be combined: 2 + 4 = 6 is CF_NEAREST_OBJECT + CF_ONLY_STATIC | <br>Flags can be combined: 2 + 4 = 6 is CF_NEAREST_OBJECT + CF_ONLY_STATIC | ||
| [[Array]] of [[Object|Objects]] - intersecting objects | | [[Array]] of [[Object|Objects]] - intersecting objects | ||
|x1= <code>Sto = []; | |x1= <code>Sto = []; | ||
Fn = { | Fn = { | ||
| Line 41: | Line 41: | ||
}; | }; | ||
["sample_id","onEachFrame","Fn"] [[call]] [[BIS_fnc_addStackedEventHandler]]; | ["sample_id","onEachFrame","Fn"] [[call]] [[BIS_fnc_addStackedEventHandler]]; | ||
//Example display objects' array in the middle of the screen sorted by 6 flags</code> | //Example display objects' array in the middle of the screen sorted by 6 flags</code> | ||
| [[lineIntersectsSurfaces]], [[lineIntersectsWith]], [[terrainIntersect]], [[terrainIntersectASL]], [[terrainIntersectAtASL]], [[lineIntersects]], [[intersect]], [[cursorObject]], [[cursorTarget]], [[checkVisibility]] | | [[lineIntersectsSurfaces]], [[lineIntersectsWith]], [[terrainIntersect]], [[terrainIntersectASL]], [[terrainIntersectAtASL]], [[lineIntersects]], [[intersect]], [[cursorObject]], [[cursorTarget]], [[checkVisibility]] | ||
}} | }} | ||
Revision as of 01:06, 18 January 2021
Description
- Description:
- Returns list of objects intersected by given line from begPos to endPos.
- Groups:
- Math - Geometry
Syntax
- Syntax:
- lineIntersectsObjs [begPos, endPos, withObj, ignoreObj, sortByDistance, flags]
- Parameters:
- begPos: PositionASL - virtual line start
- endPos: PositionASL - virtual line end
- withObj: Object
- ignoreObj: Object
- sortByDistance: Boolean - true: furthest object first, closest object last; false: unsorted
- flags: Number
1 - CF_ONLY_WATER
2 - CF_NEAREST_CONTACT
4 - CF_ONLY_STATIC
8 - CF_ONLY_DYNAMIC
16 - CF_FIRST_CONTACT
32 - CF_ALL_OBJECTS (Usable only with CF_FIRST_CONTACT and it will check one contact per object)
Flags can be combined: 2 + 4 = 6 is CF_NEAREST_OBJECT + CF_ONLY_STATIC - Return Value:
- Array of Objects - intersecting objects
Examples
- Example 1:
Sto = []; Fn = { { Sto set [_foreachindex,lineIntersectsObjs [(eyePos player),(ATLtoASL screenToWorld [0.5,0.5]),objNull,objNull,false,_x]]; } forEach [1,2,4,8,16,32]; hintSilent format [" ONLY_WATER: %1, NEAREST_CONTACT: %2, ONLY_STATIC: %3, ONLY_DYNAMIC: %4, FIRST_CONTACT: %5, ALL_OBJECTS: %6", Sto select 0,Sto select 1,Sto select 2,Sto select 3,Sto select 4,Sto select 5]; }; ["sample_id","onEachFrame","Fn"] call BIS_fnc_addStackedEventHandler; //Example display objects' array in the middle of the screen sorted by 6 flags
Additional Information
- See also:
- lineIntersectsSurfaceslineIntersectsWithterrainIntersectterrainIntersectASLterrainIntersectAtASLlineIntersectsintersectcursorObjectcursorTargetcheckVisibility
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
Bottom Section
- Posted on March 29, 2016 - 05:07 (UTC)
- AgentRev
- Distance sorting is relative to object model center, and not intersect position.