vectorDotProduct: Difference between revisions
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{{RV|type=command | {{RV|type=command | ||
| arma3 | |game1= arma3 | ||
|version1= 1.22 | |||
|1.22 | |||
|gr2= Math - Vectors | |gr2= Math - Vectors | ||
| Dot product of two 3D vectors. | |descr= Dot product of two 3D vectors. | ||
| vector1 [[vectorDotProduct]] vector2 | |s1= vector1 [[vectorDotProduct]] vector2 | ||
|p1= vector1: [[Array]] - vector 3D or 2D (since Arma 3 v2.00, z coordinate is defaulted to 0) | |p1= vector1: [[Array]] - vector 3D or 2D (since Arma 3 v2.00, z coordinate is defaulted to 0) | ||
| Line 15: | Line 14: | ||
|p2= vector2: [[Array]] - vector 3D or 2D (since Arma 3 v2.00, z coordinate is defaulted to 0) | |p2= vector2: [[Array]] - vector 3D or 2D (since Arma 3 v2.00, z coordinate is defaulted to 0) | ||
| [[Number]] | |r1= [[Number]] | ||
|x1= < | |x1= <sqf>_dot = [1,0,1] vectorDotProduct [0,0,2];</sqf> | ||
|seealso= [[vectorAdd]] | |seealso= [[vectorAdd]] [[vectorDiff]] [[vectorCrossProduct]] [[vectorCos]] [[vectorMagnitude]] [[vectorMagnitudeSqr]] [[vectorMultiply]] [[vectorDistance]] [[vectorDistanceSqr]] [[vectorDir]] [[vectorUp]] [[setVectorDir]] [[setVectorUp]] [[setVectorDirAndUp]] [[vectorNormalized]] [[vectorFromTo]] [[matrixMultiply]] [[matrixTranspose]] | ||
}} | }} | ||
<dl class="command_description"> | <dl class="command_description"> | ||
<dt></dt> | <dt></dt> | ||
<dd class="notedate">Posted on 28 Jun, 2014</dd> | <dd class="notedate">Posted on 28 Jun, 2014</dd> | ||
| Line 28: | Line 28: | ||
<dd class="note"> | <dd class="note"> | ||
{{GVI|arma3|1.22}} Algorithm: | {{GVI|arma3|1.22}} Algorithm: | ||
< | <sqf>Vector1 = [x1,y1,z1]; Vector2 = [x2,y2,z2]; | ||
Result = (x1 * x2) + (y1 * y2) + (z1 * z2);</ | Result = (x1 * x2) + (y1 * y2) + (z1 * z2);</sqf> | ||
It is recommended to use [[vectorDotProduct]] instead of [[BIS_fnc_dotProduct]]. | It is recommended to use [[vectorDotProduct]] instead of [[BIS_fnc_dotProduct]]. | ||
</dl> | </dl> | ||
Latest revision as of 21:23, 13 May 2022
Description
- Description:
- Dot product of two 3D vectors.
- Groups:
- Math - Vectors
Syntax
- Syntax:
- vector1 vectorDotProduct vector2
- Parameters:
- vector1: Array - vector 3D or 2D (since Arma 3 v2.00, z coordinate is defaulted to 0)
- vector2: Array - vector 3D or 2D (since Arma 3 v2.00, z coordinate is defaulted to 0)
- Return Value:
- Number
Examples
- Example 1:
Additional Information
- See also:
- vectorAdd vectorDiff vectorCrossProduct vectorCos vectorMagnitude vectorMagnitudeSqr vectorMultiply vectorDistance vectorDistanceSqr vectorDir vectorUp setVectorDir setVectorUp setVectorDirAndUp vectorNormalized vectorFromTo matrixMultiply matrixTranspose
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 28 Jun, 2014
- ffur2007slx2_5
-
1.22 Algorithm:
It is recommended to use vectorDotProduct instead of BIS_fnc_dotProduct.