TimeScaleLib

TimeScaleLib is a library mod that adds advanced time scaling (bullet time) mechanics to Minecraft.

Unlike the vanilla /tick rate command, this mod only slows down non-player entities and the game world's time flow, allowing for more natural slow-motion effects while keeping player control responsive.

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Features

• Independent time scaling system
• Smooth recovery transition support
• Partial Tick API for rendering compatibility
• Optional player inclusion support
• Built-in time scaling commands

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Compatibility

TimeScaleLib includes compatibility support for several combat and gameplay systems.

Currently compatible with:

• Punchy

Known incompatible mods:

• Leawind's Third Person

Leawind's camera interpolation system heavily diverges from Minecraft's vanilla rendering and interpolation framework, making reliable compatibility with TimeScaleLib impractical.
Because of this architectural difference, compatibility support for it is not planned.

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Commands

Apply Time Scale

/timescale apply <scale> <duration> [<transition>|include]

Applies a time scale effect.

• scale: Time scale multiplier (0.0 ~ 1.0)
• duration: Total duration in ticks
• transition: Optional recovery transition duration at the end of the effect, occupying the final portion of duration
• include: Optional literal allowing specified players to also be affected by the slowdown

Example:

/timescale apply 0.1 120 20

Runs at 10% time speed and smoothly restores to normal speed during the final 20 ticks.

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Remove Time Scale

/timescale remove

Removes all active time scale effects.

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API

Currently provides:

• Apply time scale
• Query current time scale
• Remove all time scales
• Access layered partialTick values

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Currently used to power bullet time effects in ParCoolSkill.