vectorCrossProduct: Difference between revisions
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| Cross product of two 3D vectors. |= Description | | Cross product of two 3D vectors. | ||
<br>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. |= Description | |||
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|p1= [vector1,vector2]: [[Array]] |= Parameter 1 | |p1= [vector1,vector2]: [[Array]] |= Parameter 1 | ||
|p2= vector1: [[Array]] |= Parameter 2 | |p2= vector1: [x, y, z] [[Array]] |= Parameter 2 | ||
|p3= vector2: [x, y, z] [[Array]] |= Parameter 3 | |||
| [[Array]] - vector: [x, y, z] | |||
<br><br> | |||
[[Image:crossProduct.jpg|300px]]|= Return value | |||
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|x1= <code>_vector = vectorCrossProduct <nowiki>[[</nowiki>1,1,1], [0,0,2<nowiki>]]</nowiki></code> |= Example 1 | |x1= <code>_vector = [[vectorCrossProduct]] <nowiki>[[</nowiki>1,1,1],[0,0,2<nowiki>]];</nowiki></code> |= Example 1 | ||
|x2= <code>_vectorUp = [[vectorCrossProduct]] <nowiki>[[</nowiki>0,1,0],[-1,0,0<nowiki>]]; //[0,-0,1]</nowiki></code> |= Example 2 | |||
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Revision as of 21:34, 2 June 2014
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:
- vectorCrossProduct [vector1,vector2]
- Parameters:
- [vector1,vector2]: Array
- vector1: [x, y, z] Array
- vector2: [x, y, z] Array
- Return Value:
- Array - vector: [x, y, z]
Examples
- Example 1:
_vector = vectorCrossProduct [[1,1,1],[0,0,2]];- Example 2:
_vectorUp = vectorCrossProduct [[0,1,0],[-1,0,0]]; //[0,-0,1]
Additional Information
- See also:
- vectorAddvectorDiffvectorDotProductvectorCosvectorMagnitudevectorMagnitudeSqrvectorMultiplyvectorDistancevectorDistanceSqrvectorDirvectorUpsetVectorDirsetVectorUpsetVectorDirAndUp
Notes
-
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