@pixiv/three-vrm
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    A bone joint of VRMCSpringBone.

    interface SpringBoneJoint {
        dragForce: number;
        extensions?: { [name: string]: any };
        extras?: any;
        gravityDir?: [number, number, number];
        gravityPower: number;
        hitRadius: number;
        node: number;
        stiffness: number;
    }
    Index

    Properties

    dragForce: number

    Air resistance. Deceleration force.

    extensions?: { [name: string]: any }
    extras?: any
    gravityDir?: [number, number, number]

    gravityDir

    gravityPower: number

    Gravitational acceleration.

    hitRadius: number

    The radius of spring sphere.

    node: number

    The node index.

    stiffness: number

    The force to return to the initial pose.