three.ik
Inverse kinematics solver for three.js using the FABRIK algorithm with ball-joint constraints.
What is three.ik?
THREE.IK is an inverse kinematics library for three.js that implements the FABRIK algorithm to solve joint rotations for reaching target positions. It enables realistic character animation and robotic movement simulations by calculating how chains of bones should rotate to achieve desired end effector positions. The library supports multiple chains with multiple effectors and includes ball-joint constraints for natural movement limits.
Three.js developers creating character animations, robotic simulations, or interactive 3D applications requiring realistic joint movement. Game developers and 3D visualization engineers who need inverse kinematics capabilities within their three.js projects.
Developers choose THREE.IK because it provides a specialized, well-integrated inverse kinematics solution specifically for three.js with a straightforward API. Unlike general-purpose IK libraries, it works natively with three.js Bone objects and includes visualization tools, making it easier to implement and debug complex IK systems in WebGL applications.
Overview
inverse kinematics for three.js
Use Cases
Best For
- Creating realistic character animations with joint constraints in three.js
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