import { type Plane, type Upright } from "./turn.kit.ts";
/** A goal with a net: the mouth on the line x, the net behind it. */
export interface GoalCage {
    id: string;
    /** Where the middle of the mouth stands on its goal line, and which way the net lies behind it: +1 to larger x, -1 to smaller. */
    x: number;
    y: number;
    out: 1 | -1;
    /** The mouth: its width across the surface and its height. */
    width: number;
    height: number;
    /** How far the net reaches behind the line at the ground, and at the top of the back. */
    depth: number;
    top: number;
    /** The frame's thickness, and the mesh's cell, in feet. */
    post: number;
    cell: number;
    /** The frame's paint: white, or red as a hockey goal's. */
    tone: "white" | "red";
}
/** A goal: its mouth as three strips (two posts and the crossbar), and its net as four planes, framed. */
export declare function goalCage(g: GoalCage): Upright;
/** A pair of uprights with a crossbar between them, standing on the line x (a rugby, Gaelic football or football post). */
export interface PostPair {
    id: string;
    x: number;
    y: number;
    /** Which way is behind the goal line, for a post's support. */
    out: 1 | -1;
    /** The space between the two uprights, to the middle of each. */
    gap: number;
    /** The crossbar's height, and the uprights' top, above the surface. */
    crossbar: number;
    top: number;
    /** The strips' thickness. */
    post: number;
    /** `slingshot`: one support behind the goal, bent to carry the crossbar (a football post); `centre`: one pole straight under the crossbar's middle; `none`: the uprights alone. */
    support: "slingshot" | "centre" | "none";
    /** How far behind the goal line a slingshot's support stands. */
    stem?: number;
    /** The class of the paint: `u-yellow` for a football post, `u-white` for the others. */
    cls: string;
}
/** A pair of uprights, a crossbar, and the support under them. */
export declare function postPair(p: PostPair): Upright;
/** A flag on a pole, the flag lying along x. */
export declare function flagPole(id: string, x: number, y: number, height: number, post: number, cls?: string): Plane[];
/** A short rectangle lying flat, such as the foot of a stanchion or the shadow of a table: used where a pole needs a base. */
export declare function foot(id: string, x: number, y: number, w: number, d: number): Plane;