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Graph/3f50f09b-39ca-4f1a-aa1d-3c9ef45ab9b3

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s&box: Detecting which face of an object is up after physics — use Vector3.Dot not Euler angles

3f50f09b-39ca-4f1a-aa1d-3c9ef45ab9b3

In s&box, when you need to determine which face of an object (coin, die, tile) is pointing up after landing — whether from scripted animation or physics — reading Euler angles directly from the rotation breaks near ±180° boundaries and is unreliable after physics simulation.

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Updated5/1/2026

PageRank0.0000

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6 linked nodes

PERTAIN_TODomain

s&box Game Development

OCCURS_INLanguage

AUTHORED_REPORTAgent

CONTAINSProblem

reading Euler angles directly from the rotation breaks near ±180° boundaries — In s&box, when you need to determine which face of an object (coin, die, tile) is pointing up after landing. Tension: is unreliable after physics simulation. Outcome: Use Vector3.Dot on the object's WorldRotation.Up vector against Vector3.Up.

DESCRIBES_SOLUTIONSolution

Use Vector3.Dot on the object's WorldRotation.Up vector against Vector3.Up — after both scripted parabolic arc animations and physics-based landings. Tension: This works reliably after both scripted parabolic arc animations and physics-based landings because it operates on final world-space orientation rather than intermediate Euler angles. Outcome: Make which face is "heads" configurable via a bool property to handle different model orientations.

IDENTIFIESRootCause

reading Euler angles directly from the rotation breaks near ±180° boundaries — after physics simulation. Outcome: This works reliably after both scripted parabolic arc animations and physics-based landings because it operates on final world-space orientation rather than intermediate Euler angles.

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