Wiggle 2: RTX Edition

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Completely removed the links/advertisements from the Blender UI to comply with the terms.Fixed several minor bugs to improve stability.Please review the updated version for re-listing. Thank you!

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wiggle 2 RTX v2.2.4 Wiggle 2 v2.2.4 Update
Bug Fixes: Blender compatibility, loop glitches & baking freezes fixed. Lattice Beta: New experimental lattice modifier support added.

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⚠️ Notice for Blender 5.1.x Users Issue: Due to a known internal API binding bug (lazy property loading) present exclusively in Blender 5.1.x, the Total Limit slider may fail to render and display a "Total Limit property not loaded yet" message. Status: This is a Blender-side engine limitation. Other versions (4.5, 5.0, and 5.2+) are fully functional and unaffected. Workaround: If you are on Blender 5.1.x, please enable Use Individual Limits to configure your physics bounds via the X and Z axis properties instead.

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v2.2.2 - Hotfix: Fix Blender 5.0 Compatibility and UI Attribute ErrorsFixed:Fixed UI Crash on Property Missing: Resolved AttributeError and property not found errors in ui_panel.py where specific properties (PoseBone.wiggle_angle_limit, Scene.wiggle_guide_shape) failed to initialize on Blender startup.Added Safe Attribute Checks: Implemented hasattr() and getattr() fallbacks in the UI rendering code to prevent total panel freezes when add-on registration shifts or delays due to Blender 5.0’s new extension loading pipeline.Changes:Improved UI stability when toggling individual bone limits. https://mayalhc.github.io/Wiggle2-RTX

No changelog for this release.

Changelog

📦 Release Notes: v2.2.0

New Features & Fixes: Sim Mix Layers: New layered physics system for non-destructive blending. Bake Result C: Composite baking that merges animation and physics into one track. Individual Limits: Added per-bone rotation limits for better mesh stability. Performance: Optimized RTX engine for smoother viewport and high-density rigs. Bug Fixes: Fixed NLA sync issues and improved "explosion" guard logic.📖 DocumentationNew to Wiggle 2? Check out our official Step-by-Step Guide: 👉 Official Wiki & User Guide https://mayalhc.github.io/Wiggle2-RTX/

No changelog for this release.

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Wiggle 2 RTX v2.1.8 Release Notes

[Key Updates]Added Physics Blending (Sim Mix): You can now blend between keyframe animation and physics simulation in real-time.

Added Safety Guard (Adaptive Damping): Automatically prevents bones from jittering or "exploding" during rapid object movements.

mproved Loop Physics: Optimized for seamless looping, perfect for game-ready idle animations.

UI Optimization: Separated engine controls and safety settings for a cleaner, more intuitive workflow.

Bug Fixes: Resolved ZeroDivision errors and improved overall simulation stability.

⚠️ Note on New FeaturesExperimental Features: Please note that newly added features like Sim Mix and

Safety Guard are still in the optimization phase and may exhibit unexpected behavior in certain complex scenes. We appreciate your feedback to help us refine these tools!

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[New & Improved]

Real-time Physics Distribution (Taper Mode): Added 'Root-Tip' mode for Stiffness and Damping. Perfect for natural hair/tail motion.

Smart Presets: Presets now automatically apply optimized Taper settings for instant high-quality results.

Crash Fix: Refined internal logic for much better stability during real-time slider adjustments.

[⚠️ IMPORTANT: Visual Guide Notice]

Physics over Visuals: At very small scales (e.g., Radius 0.01), the visual guide may not perfectly match the bone's thickness due to Blender's scale limitations.

Recommendation: Always rely on the actual Radius value for precise collision and physics setup, rather than the visual size of the guide box.

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v2.1.6 - The "Scale & Precision" Patch[Major Fixes]

✨ Scale-Independent Physics: Fixed simulation glitches for Unreal/Unity (0.01 scale). Physics now remain stable regardless of bone size.

🛡️ Anti-Jitter System: New velocity blending eliminates high-frequency trembling when bones reach their limits.[New Features]

↔️ Independent X/Z Limits: Set separate rotation ranges for Up-Down (X) and Left-Right (Z).

⏱️ Real-time Preview: Adjust limits and see results instantly in the viewport, even when the animation is stopped.[Stability]

👤 Head Settings Fix: Recalibrated for pose-based coordinates. Head physics now work perfectly on disconnected bones.

🐛 Bug Squashing: Resolved various AttributeError issues and UI display glitches.

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Version 2.15 Update Notes [Major Improvements: Physics & UI Sensitivity] Enhanced Parameter Granularity: Re-calibrated the sensitivity of all physics properties (Damping, Stiffness, etc.). You can Expanded Damping Range: Fixed the legacy issue where damping values over 0.5 caused the simulation to abruptly freeze. The new linear mapping allows for a much wider and more intuitive usable range, preventing the "instant-stop" effect. Stable Energy Accumulation: Refined the logic for low-damping scenarios. Damping at 0 now correctly allows for continuous energy buildup (intentional "explosion") with improved numerical stability, so it won't crash the simulation easily. [New Features] Selective Angle Limit: Introduced a per-bone Angle Limit. This constraint can be applied specifically to selected bones, allowing you to prevent extreme bending in specific areas while keeping other parts of the chain fully dynamic. Dynamic Constraint Toggle: The simulation now recognizes active bone selections, making it easier to tweak constraints in real-time during the animation process. [Technical Fixes] Velocity Sync Overhaul: Improved velocity re-synchronization to eliminate high-frequency jittering when bones reach their rotation limits. Better Scaling Support: Fixed inconsistent behavior when bones were scaled or used with various parent-child inheritance setups. Upgrade Your Workflow with GroomForge For those looking for the ultimate hair and fur simulation experience, I highly recommend checking out GroomForge. It’s perfectly optimized to work with the refined physics of Wiggle 2.15, giving you unprecedented control over dynamic grooms. [Get GroomForge here: https://superhivemarket.com/products/groomforge Your Feedback Matters! If you are enjoying the improvements in version 2.15, please consider leaving a Like and a Positive Review. Your kind words and support are incredibly encouraging and help me continue to improve this tool for everyone. A huge thank you to the community for your ongoing support and for being a part of this journey! Happy Wiggling!

Changelog

🚀 Wiggle Bone 2.0 - Blender 5.0 Major Update Log

1. Standalone UI Integration

Dedicated Sidebar Menu: Updated the UI structure to move from being a sub-menu under the "Animation" tab to its own dedicated standalone "Wiggle 2" sidebar tab. This provides a cleaner workspace and faster access to physics settings. 2. Physical Stability & "Hard-Fix" Stretching Zero-Stretch Hard Lock: Solved the long-standing "rubber band" issue. When the Stretch property is set to 0, the bone scale is now hard-locked to 1.0, ensuring bones maintain their original length regardless of extreme collision forces or gravity. Enhanced Anti-Slip (Friction Snap): Improved friction calculations to prevent bones from "sliding on ice" over collider surfaces. The new logic kills tangent velocity and snaps the bone to the surface more effectively. Jitter Reduction: Refined the energy dissipation logic during collisions to prevent high-frequency vibrating (jittering) when bones are caught between multiple faces. 3. Advanced Collection Collision Support Multi-Object Detection: Upgraded the collision engine to support Full Collections. The simulation now iterates through all mesh objects within a designated collection in real-time. Dynamic Collider Swapping: Implemented an optimized object-swapping logic that maintains high performance while calculating complex collisions with multiple scene assets. 4. Precision Visual Guide System Capsule Distortion Fix: Fixed the vertex offset bug where the capsule guide would distort or "grow" unnaturally when the Radius was adjusted. Automatic Head/Tail Alignment: Vertex positions for Box, Cylinder, and Capsule guides are now mathematically snapped to the bone’s actual world-space length for 100% visual accuracy. 5. Blender 5.0 API & Performance Optimization Matrix Normalization: Added to_3x3().normalized() processing to the final bone matrix to prevent micro-scale accumulation errors common in Blender 5.0. Handler Persistence: Applied @persistent decorators to all simulation handlers, ensuring physics data remains intact during file loads, renders, and scene undos. Zero-Frame Reset Logic: Re-engineered the reset system to instantly clear velocity and position cache when the timeline is jumped to the start frame or played backwards. 6. Major Bug Fixes Fixed NameError during the registration phase due to function definition order. Fixed TypeError (Enum "POSE" not found) when toggling visual guides by ensuring armature activation before mode switching. Improved the direction vector validation to prevent bones from "flipping" or knotting up in tight collision spaces.

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✅ New Standalone UI Tab for a cleaner workflow ✅ Smart Visual Guides (Snaps to joints, real-time resizing!) ✅ 6 Quick Presets for instant physics setups

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Fixed physics reset and simulation recording issues. Everything is now calculated and recorded correctly during playback. Collision is working

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"Add-on package has been cleaned up. Removed all non-essential assets and image files to meet the extension guidelines. Ready for the next review. Thanks!"