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Vec3 Dot

Dot product of two 3D vectors. +1 parallel, 0 perpendicular, -1 opposite, but only when both inputs are unit length.

Vec3 Dot node

The Vec3 Dot node

When to use it

Dot product of two 3D vectors. +1 parallel, 0 perpendicular, -1 opposite, but only when both inputs are unit length.

That condition is the trap. Dot a raw position against World Up and what comes back is a height, not a slope, and it keeps growing the higher you go. Normalise first whenever you want an angle.

Pins

Pin Type Description
AX Number A X component.
AY Number A Y component.
AZ Number A Z component.
BX Number B X component.
BY Number B Y component.
BZ Number B Z component.
Pin Type Description
Result Number How much A and B point the same way.