Uploaded December 2021 | Updated September 2026, 2 weeks ago

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Vector3.Cross provides you with the cross product of two vectors. Vector3.Cross is easy to understand, but sometimes hard to find applicable uses for when just starting out.

I'll teach you what a cross product is, how to use vector3 cross, and a real-world use case for it (all in 90 seconds!)

I used 'Shapes' to make a few (most) of these effects, you can check it out here: assetstore.unity.com/packages/tools/particles-effects/shapes-173167?aid=1011lkRxs

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Vector3.Cross official description:
Cross Product of two vectors.

The cross product of two vectors results in a third vector which is perpendicular to the two input vectors. The result's magnitude is equal to the magnitudes of the two inputs multiplied together and then multiplied by the sine of the angle between the inputs.