import { Response, Circle as SATCircle, Polygon as SATPolygon, Vector as SATVector } from "sat";
import { Box } from "./bodies/box";
import { Circle } from "./bodies/circle";
import { Ellipse } from "./bodies/ellipse";
import { Line } from "./bodies/line";
import { Point } from "./bodies/point";
import { Polygon } from "./bodies/polygon";
import { System } from "./system";
import RBush from "./external/rbush";
export { Point as DecompPoint, Polygon as DecompPolygon, isSimple, quickDecomp, } from "poly-decomp-es";
export interface BBox {
    minX: number;
    minY: number;
    maxX: number;
    maxY: number;
}
export { RBush, Response, SATCircle, SATPolygon, SATVector };
export type CollisionCallback = (response: Response) => boolean | void;
/**
 * types
 */
export declare enum BodyType {
    Ellipse = "Ellipse",
    Circle = "Circle",
    Polygon = "Polygon",
    Box = "Box",
    Line = "Line",
    Point = "Point"
}
/**
 * for groups
 */
export declare enum BodyGroup {
    Ellipse = 32,
    Circle = 16,
    Polygon = 8,
    Box = 4,
    Line = 2,
    Point = 1
}
/**
 * body with children (rbush)
 */
export type Leaf<TBody extends Body> = TBody & {
    children?: Leaf<TBody>[];
};
/**
 * rbush data
 */
export interface ChildrenData<TBody extends Body> {
    children: Leaf<TBody>[];
}
/**
 * for use of private function of sat.js
 */
export interface Data<TBody extends Body> {
    data: ChildrenData<TBody>;
}
/**
 * BodyOptions for body creation
 */
export interface BodyOptions<UserDataType = any> {
    /**
     * system.separate() doesn't move this body
     */
    isStatic?: boolean;
    /**
     * system.separate() doesn't trigger collision of this body
     */
    isTrigger?: boolean;
    /**
     * is body offset centered for rotation purpouses
     */
    isCentered?: boolean;
    /**
     * body angle in radians use deg2rad to convert
     * move(speed) moves at `1 speed = 1px` towards angle
     */
    angle?: number;
    /**
     * BHV padding for bounding box, preventing costly updates
     */
    padding?: number;
    /**
     * group for collision filtering
     *
     * Based on {@link https://box2d.org/documentation/md_simulation.html#filtering Box2D}
     * ({@link https://aurelienribon.wordpress.com/2011/07/01/box2d-tutorial-collision-filtering/ tutorial})
     *
     * Values in {@link BodyGroup} are predefined and used each the body type and
     * should not be used for custom filtering
     *
     * `0b00000001 << 16` to `0b01000000 << 16` (max 0x7fffffff) are free to use for custom groups
     *
     * @see {@link canInteract} for how groups are used
     * @default 0x7fffffff // member of all groups (can interact with everyting)
     */
    group?: number;
    /**
     * allows the user to set any misc data for client use
     */
    userData?: UserDataType;
}
/**
 * system.raycast(from, to) result
 */
export interface RaycastHit<TBody> {
    point: Vector;
    body: TBody;
}
/**
 * potential vector
 */
export interface PotentialVector {
    x?: number;
    y?: number;
}
/**
 * x, y vector
 */
export interface Vector extends PotentialVector {
    x: number;
    y: number;
}
/**
 * for use of private function of sat.js
 */
export interface GetAABBAsBox {
    getAABBAsBox(): {
        pos: Vector;
        w: number;
        h: number;
    };
}
/**
 * generic body union type
 */
export type Body<UserDataType = any> = Point<UserDataType> | Line<UserDataType> | Ellipse<UserDataType> | Circle<UserDataType> | Box<UserDataType> | Polygon<UserDataType>;
/**
 * each body contains those regardless of type
 */
export interface BodyProps<UserDataType = any> extends BodyOptions<UserDataType> {
    /**
     * type of body
     */
    readonly type: BodyType;
    /**
     * faster for comparision, inner, type of body as number
     */
    readonly typeGroup: BodyGroup;
    /**
     * flag to show is it a convex body or non convex polygon
     */
    isConvex: boolean;
    /**
     * bounding box cache, without padding
     */
    bbox: BBox;
    /**
     * each body may have offset from center
     */
    offset: SATVector;
    /**
     * collisions system reference
     */
    system?: System;
    /**
     * was the body modified and needs update in the next checkCollision
     */
    dirty: boolean;
    /**
     * scale getter (x)
     */
    get scaleX(): number;
    /**
     * scale getter (y = x for Circle)
     */
    get scaleY(): number;
    /**
     * update position BY MOVING FORWARD IN ANGLE DIRECTION
     */
    move(speed: number, updateNow?: boolean): Circle | SATPolygon;
    /**
     * update position BY TELEPORTING
     */
    setPosition(x: number, y: number, updateNow?: boolean): Circle | SATPolygon;
    /**
     * for setting scale
     */
    setScale(x: number, y: number, updateNow?: boolean): Circle | SATPolygon;
    /**
     * for setting angle
     */
    setAngle(angle: number, updateNow?: boolean): Circle | SATPolygon;
    /**
     * for setting offset from center
     */
    setOffset(offset: Vector, updateNow?: boolean): Circle | SATPolygon;
    /**
     * draw the bounding box
     */
    drawBVH(context: CanvasRenderingContext2D): void;
    /**
     * draw the collider
     */
    draw(context: CanvasRenderingContext2D): void;
    /**
     * return bounding box without padding
     */
    getAABBAsBBox(): BBox;
}
export type SATTest<T extends {} = Circle | Polygon | SATPolygon, Y extends {} = Circle | Polygon | SATPolygon> = (bodyA: T, bodyB: Y, response: Response) => boolean;
export type InTest<TBody extends Body = Body> = (bodyA: TBody, bodyB: TBody) => boolean;
export type TraverseFunction<TBody extends Body = Body> = (child: Leaf<TBody>, children: Leaf<TBody>[], index: number) => boolean | void;