import { vec2 } from "gl-matrix";
import CollisionObject from "../collisionObject";
import Ray from "../ray";
/**
 * Represents an axis aligned bounding box in 2D world space.
 *
 * A minimum (bottom left) and maximum (top right) vertex is used to represent the {@link AABB}.
 */
export default class AABB {
    min: vec2;
    max: vec2;
    margin: number;
    /**
     * A {@link CollisionObject} that is bound by the {@link AABB}.
     */
    obj: CollisionObject;
    /**
     * Creates a {@link AABB} with the given minimum and and maximum vertices.
     *
     * @param min The minimum vertex (bottom left)
     * @param max The maximum vertex (top right)
     */
    constructor(min: vec2, max: vec2);
    /**
     * Creates an {@link AABB} which contains both `a` and `b`, the created {@link AABB} is the union of `a` and `b` plus the `margin`.
     *
     * @param a An {@link AABB}
     * @param b An {@link AABB}
     * @param margin A margin to add to the min and max of the created AABB
     */
    constructor(a: AABB, b: AABB, margin: number);
    /**
     * Creates a {@link AABB} that bounds the vertices of the given object's collider.
     *
     * @param obj {@link CollisionObject} to create AABB from
     * @param margin A margin to add to the new min and max points
     */
    constructor(obj: CollisionObject, margin: number);
    /**
     * Sets the AABB's min and max so that the AABB contains the object's collider.
     *
     * @param obj The {@link CollisionObject} to bound
     * @param margin A margin to add to the new min and max points
     */
    setMinMaxFromCollisionObj(obj: CollisionObject, margin: number): void;
    /**
     * Sets the AABB's min and max to the union of `a` and `b`.
     *
     * @param a An {@link AABB}
     * @param b An {@link AABB}
     * @param margin A margin to add to the new min and max points
     */
    union(a: AABB, b: AABB, margin?: number): void;
    /**
     * Computes the area of the {@link AABB}.
     *
     * @returns The area of the {@link AABB}
     */
    area(): number;
    /**
     * Determines wether or not this {@link AABB} intersects with the given {@link AABB}.
     *
     * @param b The {@link AABB} to check for intersection against
     */
    intersects(b: AABB): boolean;
    /**
     * Determines wether or not the given point intersects with this {@link AABB}.
     *
     * @param point The point to check for intersection
     */
    intersects(point: vec2): boolean;
    /**
     * Determines wether or not the given ray intersects with this {@link AABB}.
     *
     * @param ray The ray to check for intersection
     */
    intersects(ray: Ray): boolean;
    /**
     * Determines wether or not the given {@link AABB} is contained within this {@link AABB}.
     *
     * @param b The {@link AABB} to check
     */
    contains(b: AABB): boolean;
    /**
     * Clips a line based on the {@link AABB}'s min and max to determine if the line intersects with the AABB.
     *
     * @param dim The dimension to clip in (0 = x, 1 = y)
     * @param v0 The line's start point
     * @param v1 The line's end point
     * @param fLow The current fLow
     * @param fHigh The current fHigh
     * @returns false when no intersection possible, otherwise new fLow and fHigh
     */
    private clipLine;
}