import { vec2 } from "gl-matrix";
import AABBTree from "../aabb/aabbTree";
import CollisionObject from "../collisionObject";
import CollisionPair from "../collisionPair";
import Manifold from "../manifold";
import ManifoldMap from "../manifoldMap";
import { CollisionSolver } from "../solvers/solver";
import Space from "./space";
/**
 * Represents an infinite space containing {@link CollisionObject}s.
 *
 * Can be used to test for and solve collisions between objects in the space.
 */
export default class CollisionsSpace extends Space<CollisionObject, CollisionSolver> {
    gravity: vec2;
    collisionManifolds: Manifold[];
    triggerManifolds: Manifold[];
    /**
     * Collision manifolds map.
     */
    collisions: ManifoldMap;
    /**
     * Trigger manifolds map.
     */
    triggers: ManifoldMap;
    /**
     * Array used to store pairs of objects which may be colliding.
     */
    collisionPairs: CollisionPair[];
    /**
     * The {@link AABBTree} used for broadphase and raycasting.
     */
    aabbTree: AABBTree;
    /**
     * Creates a {@link CollisionSpace} instance.
     *
     * @param gravity The gravity vector to use in the collision space
     */
    constructor(gravity: vec2);
    /**
     * Executes a solver on every collision manifold in the space.
     *
     * Make sure to call `this.obtainManifolds` before executing any solvers.
     *
     * @param id The id of the solver to execute
     * @param delta The time since the last update
     */
    solve(id: string, delta: number): void;
    /**
     * Fire "collision" and "trigger" events on objects in `this.manifolds`.
     *
     * If both objects in a collision are triggers object `a` will recieve the "trigger" the event.
     */
    fireEvents(): void;
    /**
     * Performs the broadphase collision detection.
     *
     * The broadphase will update the {@link AABBTree} and then obtain possible collision pairs for the narrow phase.
     */
    broadphase(): void;
    /**
     * Obtains all collision and trigger manifolds for the current frame.
     *
     * Manifolds are stored in `this.manifolds`
     *
     * obtainManifolds should only be called once per frame.
     *
     * @param delta Time since last frame
     */
    obtainManifolds(delta: number): void;
    /**
     * Gets all the manifolds in the collisions {@link ManifoldMap} and stores them in `this.collisionManifolds`.
     */
    private getCollisionManifolds;
    /**
     * Gets all the manifolds in the triggers {@link ManifoldMap} and stores them in `this.triggersManifolds`.
     */
    private getTriggerManifolds;
    /**
     * Adds an object to the space.
     *
     * @param obj The {@link CollisionObject} to add to the space
     */
    addObject(obj: CollisionObject): void;
    /**
     * Removes an object from the space and deletes any manifolds associated with it.
     *
     * @param obj The {@link CollisionObject} to remove from the space
     */
    removeObject(obj: CollisionObject): boolean;
}