FoxPhysics — Ragdoll, Forces, Constraints & Fake Physics

A production-ready physics toolkit for Blueprint projects. Enable ragdolls with one node, apply impulses and forces from any direction or along splines, build runtime constraints, and ship believable mechanical setups — chains, tow couplings, suspensions, catapults — with a single Fake Physics component.

Full documentation: https://alchemy-fox.de/physics/

Support: [email protected] —————————————————————

WHAT'S INCLUDED

27 Blueprint Library Nodes | 14 Fake Physics Component Setups | 41 Total Functions | Ragdoll Toolkit | Force & Impulse Helpers | Runtime Constraints | Full C++ Source

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FEATURE CATEGORIES

▸ Ragdoll (6 Nodes) EnableRagdoll, DisableRagdoll, RagdollWithImpulse, IsRagdollAtRest, GetRagdollRootLocation, IsRagdollFaceUp

▸ Force (5 Nodes) AddForceTowardsPoint, AddImpulseAwayFromPoint, ApplyImpulseAtBone, AddForceAlongSpline, ApplyImpulseInDirection

▸ Constraints (4 Nodes) CreateConstraintSimple, CreateSpringBetween, BreakConstraint, WeldActors

▸ State (4 Nodes) SetPhysicsEnabledBatch, FreezePhysics, GetPhysicsInfo, SetMassOverride

▸ Utility (6 Nodes) BounceVelocity, GetOverlappingPhysicsActors, GetPhysicsActorsInPath, LaunchActor, SlowPhysicsActor, ClampPhysicsVelocity

▸ Fake (2 Nodes) GetOrCreateFakePhysics, FakeLoadWeight

▸ Fake Physics Component (14 Setups) SetupHingeJoint, SetupBallJoint, SetupTowCoupling, SetupTowChain, SetupWheelAxle, SetupRopeSegment, SetupChainLink, SetupPulley, SetupCatapultArm, LoadCatapult, ReleaseCatapult, SetupSuspension, SetupTrailerFollow, SetupBreakableJoint

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KEY FEATURES

One-Call Ragdolls — Enable/disable with optional initial impulse, query at-rest and face-up state

Force Library — Towards/away from point, at bone, along spline, in direction — covers every common use case

Runtime Constraints — Create simple constraints and springs from Blueprint without editor setup

Weld Actors — Combine actors into a single physics body at runtime

Fake Physics Component — Hinges, ball joints, tow couplings, chains, axles, ropes, pulleys, catapults, suspensions, trailers, breakable joints — all from one component

Batch Helpers — Enable/freeze/clamp velocity on actor arrays

Spline-Driven Forces — AddForceAlongSpline for guided launches, conveyor belts, magnet rails

Catapult Pattern — Load and Release helpers make trebuchet/catapult logic trivial

Trailer Follow — Cars, boats, sleighs follow with believable inertia

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BLUEPRINT NODES

Ragdoll — EnableRagdoll, DisableRagdoll, RagdollWithImpulse, IsRagdollAtRest, GetRagdollRootLocation, IsRagdollFaceUp

Force — AddForceTowardsPoint, AddImpulseAwayFromPoint, ApplyImpulseAtBone, AddForceAlongSpline, ApplyImpulseInDirection

Constraints — CreateConstraintSimple, CreateSpringBetween, BreakConstraint, WeldActors

State — SetPhysicsEnabledBatch, FreezePhysics, GetPhysicsInfo, SetMassOverride

Utility — BounceVelocity, GetOverlappingPhysicsActors, GetPhysicsActorsInPath, LaunchActor, SlowPhysicsActor, ClampPhysicsVelocity

Fake — GetOrCreateFakePhysics, FakeLoadWeight

Fake Physics Component — SetupHingeJoint, SetupBallJoint, SetupTowCoupling, SetupTowChain, SetupWheelAxle, SetupRopeSegment, SetupChainLink, SetupPulley, SetupCatapultArm, LoadCatapult, ReleaseCatapult, SetupSuspension, SetupTrailerFollow, SetupBreakableJoint —————————————————————

TECHNICAL DETAILS

Engine: Unreal Engine 5.2-5.4, 5.6-5.7

Type: Code Plugin (C++)

Dependencies: None (engine modules only — uses built-in Chaos/PhysicsCore)

Platforms: Windows (Win64)

Full C++ source code included

All nodes have detailed tooltips

Integrates seamlessly into existing projects — no setup, no subsystem boot —————————————————————

DOCUMENTATION & SUPPORT Full documentation with setup guide, node reference, and examples: https://alchemy-fox.de/physics/

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MISSING A FEATURE? Feature requests are welcome! If you need a specific physics helper, constraint, or integration that is not included yet, let us know. We actively review requests and will include useful additions in future updates. Send your request to [email protected] with a short description.

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By Alchemy Fox Studio