BIS fnc rotateVector2D: Difference between revisions
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[[Category:{{Name|arma2}}: Functions|{{uc:rotateVector2D}}]] | [[Category:{{Name|arma2}}: Functions|{{uc:rotateVector2D}}]] | ||
Revision as of 01:01, 6 October 2020
Description
- Description:
- This function returns a 2D vector rotated a specified number of degrees around the origin.
- Execution:
- call
- Groups:
- Vectors
Syntax
- Syntax:
- [vector2D, angle] call BIS_fnc_rotateVector2D
- Parameters:
- vector2D: Array - 2D vector
- angle: Number - Angle in degree
- Return Value:
- Array - New vector
Examples
- Example 1:
[ [5,3], 60 ] call BIS_fnc_rotateVector2D;//Returns[-0.0980766,5.83013]
Additional Information
Notes
-
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Notes
Bottom Section
- Posted on January 21, 2015 - 14:15 (UTC)
- AgentRev
-
Be careful when using this function in conjunction with getDir or BIS_fnc_dirTo, which return a clockwise angle, while the rotation is done counterclockwise as per trigonometric conventions.
To counter this, simply negate their output:[[0,1,0], -(getDir _object)] call BIS_fnc_rotateVector2D;[[0,1,0], -([_unit, _vehicle] call BIS_fnc_dirTo)] call BIS_fnc_rotateVector2D;