import { Octree } from './octree';
import { EventBus } from '../event-bus';
import { PhysicsObject } from './object';
import { Vec3 } from './vec3';
export declare class World extends EventBus {
    objects: PhysicsObject[];
    gravity: Vec3;
    dimensions: Vec3;
    octreeOptions: OctreeOptions;
    constructor(dimensions: Vec3, octreeOptions: OctreeOptions);
    setGravity(grav: Vec3): void;
    addObject(obj: PhysicsObject): void;
    removeObject(obj: PhysicsObject): void;
    step(dt: number): void;
    checkCollisions(obj: PhysicsObject, octree: Octree): void;
}
interface OctreeOptions {
    position: Vec3;
    dimensions: Vec3;
    maxObjects: number;
    maxLevels: number;
}
export {};