There's the Check Orientation node for that, which checks if something is in front, left, right or in the back. This uses 90° angles for the checks.
If you want to use different angles, there's the Check Angle node to check for a specific angle (or angle range, e.g. 45-60°)
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If you want to use different angles, there's the Check Angle node to check for a specific angle (or angle range, e.g. 45-60°)
If you're enjoying my products, updates and support, please consider supporting me on patreon.com!