VRChat Black Hole Physics World Asset

The Black Hole Physics Asset is now available for VRChat worlds!

This customizable UdonSharp system creates a powerful suction zone that can pull physics objects toward a central point, send them spiraling into orbit, and optionally consume and respawn them.

It can also be configured to pull players, making it useful for traps, hazards, minigames, supernatural effects, space environments, and interactive world events.

What It Can Do

• Pull Rigidbody objects toward the black hole
• Increase the pull strength as objects get closer
• Add an optional swirling or orbital motion
• Limit object speed to keep the physics controlled
• Ignore objects currently held by players
• Filter affected objects using Unity layers
• Optionally pull the local player
• Configure horizontal-only or full 3D player movement
• Add player orbit, vertical lift, and distance-based acceleration
• Consume objects that reach the event horizon
• Automatically restore consumed objects after a configurable delay
• Respawn synchronized objects using VRCObjectSync
• Optionally respawn players who reach the center

Fully Customizable

Nearly every part of the effect can be adjusted directly from the Unity Inspector.

Control settings such as:

• Pull strength
• Maximum speed
• Suction falloff
• Swirl strength
• Event-horizon distance
• Object respawn delay
• Player acceleration and deceleration
• Player pull speed
• Player lift and vertical movement
• Affected object layers
• Maximum tracked objects

You can create anything from a gentle gravitational field to an aggressive black hole that rapidly pulls nearby objects and players into its center.

Object Consumption and Respawning

Objects that reach the center can either remain active or be temporarily consumed.

When object consumption is enabled, the system can:

• Hide the consumed object
• Wait for a configurable delay
• Respawn objects using VRCObjectSync
• Return unsynchronized objects to their original position
• Use an optional custom respawn location

This makes the system reusable without permanently removing your world’s interactive objects.

Performance Options

The asset includes configurable performance features designed to avoid unnecessary background processing.

• Trigger-based object tracking
• Configurable maximum tracked-object count
• Initial overlap scanning for objects already inside the trigger
• Separate initial detection for the local player
• Non-allocating overlap checks
• Delayed respawn processing

Great For

• Space and science-fiction worlds
• Magical vortexes
• Environmental hazards
• Traps and obstacle courses
• Boss encounters
• Physics demonstrations
• Minigames
• Destruction events
• Interactive world effects

The package includes the UdonSharp black hole system and a ready-to-configure prefab, allowing you to quickly place it in your world and customize the effect for your project.

💬 Support & Community

Need help, have a question, or want to request a feature for this asset? Join the VRCAkira Discord server for product support, answers, update information, and future asset requests:

Discord: https://discord.gg/pGwkH6ueQu

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