Unity Async

Unity Async Strategy

Use this skill when the user is deciding how runtime work should be scheduled or cleaned up.

Guardrails

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• Do not recommend UniTask just because it looks more advanced than coroutine.
• Prefer the simplest scheduling model that fits the use case.

Decision Ladder

• First ask whether the task needs per-frame work at all.
• If not, prefer events, callbacks, or explicit method calls.
• If a short Unity-bound sequence is needed, prefer coroutine.
• Recommend UniTask only when:
• the project already uses it, or
• the user explicitly wants it and accepts the dependency.
• Use Update only for true continuous simulation, polling, or input loops that cannot be event-driven.

Specific Guidance

• Avoid many unrelated Update methods if a more event-driven flow works.
• Cache references used in hot paths.
• Always define lifecycle ownership:
• who starts the work
• who cancels or stops it
• when it is cleaned up
• In MonoBehaviour, prefer OnEnable / OnDisable / OnDestroy for subscribe-unsubscribe symmetry.
• Use IDisposable mainly for pure C# lifetimes, temporary subscriptions, or scope-based cleanup helpers, not as a cargo-cult replacement for Unity lifecycle methods.

Output Format

• Recommended scheduling model
• Why it fits
• Lifecycle / cancellation owner
• Hot-path risks
• Why the heavier alternative is unnecessary, if applicable