import { AmmoWorld } from '.';
import { Vec3, AnyObject } from '../physics';
import { AmmoRigidBody } from './RigidBody';
import { AmmoSoftBodyOptions } from './interface';
export declare class AmmoSoftBody {
    private _world;
    protected _body: AnyObject;
    get instance(): AnyObject;
    private get _ammo();
    private get _tempVector();
    private get _tempVector2();
    private get _tempVector3();
    private get _tempVector4();
    private get _softBodyHelpers();
    constructor(world: AmmoWorld, options: AmmoSoftBodyOptions);
    private _init;
    private _createSoftBody;
    private _createVolume;
    private _getBtVectorPositon;
    private _createCloth;
    private _createRope;
    appendAnchor({ to, node, influence, collision, }: {
        to: AmmoRigidBody;
        node: number;
        influence?: number;
        collision?: boolean;
    }): void;
    setAngularVelocity(value: Vec3): void;
    setLinearVelocity(value: Vec3): void;
    /**
     * Sets pressure inside a soft body impostor
     * Cloth and rope must remain 0 pressure
     * @param body
     * @param value
     */
    setPressure(value: number): void;
    /**
     * stiffness value from 0 to 1
     * @param body
     * @param value
     */
    setStiffness(value: number): void;
    setPositionIterations(positionIterations: number): void;
    setVelocityIterations(velocityIterations: number): void;
    setMass(value: number): void;
    setFriction(value: number): void;
    setRestitution(value: number): void;
    getAttributes(): {
        positions: Float32Array;
        normals: Float32Array;
    };
    /**
     * Sleeps the physics body and stops it from being active
     * @param impostor impostor to sleep
     */
    sleep(): void;
    /**
     * Activates the physics body
     * @param impostor impostor to activate
     */
    awake(): void;
}