vectorMultiply: Difference between revisions
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|gr2= Math - Vectors | |gr2= Math - Vectors | ||
|descr= Multiplies an array of numbers by a scalar or another array of numbers. | |descr= Multiplies an array of numbers by a scalar or another array of numbers.<br> | ||
{{Feature|GVI|arma3|2.14|Since {{GVI|arma3|2.14|size= 0.75}} any count of numbers is valid, if one array is larger than the other, the remaining elements are inserted without change.<br> | |||
Before {{GVI|arma3|2.14|size= 0.75}}, the first argument had to be vector 3D, or {{GVI|arma3|2.00|size= 0.75}} 2D (Which still returned 3D result, with z coordinate defaulted to 0)}} | |||
|s1= numArray [[vectorMultiply]] multiplier | |s1= numArray [[vectorMultiply]] multiplier | ||
|p1= numArray: [[Array]] of [[Number]]s - | |p1= numArray: [[Array]] of [[Number]]s - an array of any size to be multiplied with the multiplier | ||
|p2= multiplier: [[Number]] or {{GVI|arma3|2.14|size= 0.75}} [[Array]] of [[Number]]s | |p2= multiplier: [[Number]] or {{GVI|arma3|2.14|size= 0.75}} [[Array]] of [[Number]]s |
Latest revision as of 16:24, 18 March 2025
Description
- Description:
- Multiplies an array of numbers by a scalar or another array of numbers.
- Groups:
- Math - Vectors
Syntax
- Syntax:
- numArray vectorMultiply multiplier
- Parameters:
- numArray: Array of Numbers - an array of any size to be multiplied with the multiplier
- multiplier: Number or
2.14 Array of Numbers
- Return Value:
- Array of Numbers
Examples
- Example 1:
- Example 2:
- Copy[1,2,3,4] vectorMultiply [1,2,3,4]; // [1,4,9,16] [1,2,3,4] vectorMultiply 2; // [2,4,6,8] [1,2,3,4] vectorMultiply [2]; // [2,2,3,4] [2] vectorMultiply [1,2,3,4]; // [2,2,3,4] [1,2,3] vectorMultiply [1,2,3,4,5]; // [1,4,9,4,5]
- Example 3:
- Copyprivate _eyePos = eyePos player; private _eyeDir = getCameraViewDirection player; // this is a normalized vector, i.e. its magnitude is 1 private _100mFurther = _eyeDir vectorMultiply 100; // since _eyeDir is normalised (length = 1m), multiplying it by 100 means 100m in that direction private _lookPos = _eyePos vectorAdd _100mFurther; // the position where player is looking 100m ahead
- Example 4:
- Copy// Override firing to throw the player towards where he's aiming player allowDamage false; player addAction ["", { player setVelocity ((player weaponDirection "") vectorMultiply 20); }, "", 0, false, true, "DefaultAction"];
Additional Information
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 Jun 28, 2014 - 08:21 (UTC)
-
1.22 Algorithm: It is recommended to use vectorMultiply instead of BIS_fnc_vectorMultiply. This is a very useful function, as it can be used with the velocity command to move an object from one position to another. (ie <vector1> to <vector2>) - ensure both positions are found using getPosASL.