vectorCrossProduct: Difference between revisions

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| vector1 '''vectorCrossProduct''' vector2 |= Syntax
| vector1 '''vectorCrossProduct''' vector2 |= Syntax


|p1= vector1: [x, y, z] [[Array]] |= Parameter 1
|p1= vector1: [[Array]] - in form [x, y, z] |= Parameter 1


|p2= vector2: [x, y, z] [[Array]] |= Parameter 2
|p2= vector2: [[Array]] - in form [x, y, z] |= Parameter 2


| [[Array]] -  vector: [x, y, z]  
| [[Array]] -  vector [x, y, z]  
<br><br>
<br><br>
[[Image:crossProduct.jpg|300px]]|= Return value  
[[Image:crossProduct.jpg|300px]]|= Return value  

Revision as of 09:56, 18 June 2015

Hover & click on the images for description

Description

Description:
Cross product of two 3D vectors.
In layman's terms, if you have a polygon (surface) defined by 3 points, you can find a normal to it (just like terrain surfaceNormal). To invert direction of the normal, swap arguments around.
Groups:
Uncategorised

Syntax

Syntax:
vector1 vectorCrossProduct vector2
Parameters:
vector1: Array - in form [x, y, z]
vector2: Array - in form [x, y, z]
Return Value:
Array - vector [x, y, z]

crossProduct.jpg

Examples

Example 1:
_vector = [1,1,1] vectorCrossProduct [2,2,2];
Example 2:
_vectorUp = [0,1,0] vectorCrossProduct [-1,0,0]; //[0,-0,1]
Example 3:
_vectorSide = (vectorDir player) vectorCrossProduct (vectorUp player);

Additional Information

See also:
vectorAddvectorDiffvectorDotProductvectorCosvectorMagnitudevectorMagnitudeSqrvectorMultiplyvectorDistancevectorDistanceSqrvectorDirvectorUpsetVectorDirsetVectorUpsetVectorDirAndUpvectorNormalizedvectorFromTo

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 28 Jun, 2014
ffur2007slx2_5
(ArmA3 1.22)Algorithm: Vector1 = [x1,y1,z1]; Vector2 = [x2,y2,z2]; Result = [(y1 * z2) – (z1 * y2),(z1 * x2) – (x1 * z2),(x1 * y2) – (y1 * x2)]; It is recommended to use vectorCrossProduct instead of BIS_fnc_crossProduct.

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