import { vec2 } from "gl-matrix";
import Rect from "./rect";
/**
 * Represents a line in 2D space.
 *
 * Can have textures and varying line thickness as a {@link Line} is really just a wrapper around {@link Rect}.
 *
 * Using `setWidth`, `setHeight`, `setRotation` or `setPosition` on a {@link Line} may lead to unexpected behaviour.
 */
export default class Line extends Rect {
    private start;
    private end;
    private weight;
    /**
     * Create a {@link Line} with a start and end point.
     *
     * All values are in world space, including weight.
     *
     * @param start The start point of the line
     * @param end The end point of the line
     * @param weight The weight of the line's stroke (thickness)
     */
    constructor(start: vec2, end: vec2, weight: number);
    constructor(start: vec2, direction: vec2, length: number, weight: number);
    constructor(start: vec2, angle: number, length: number, weight: number);
    private createFromStartEnd;
    private createFromDirection;
    private createFromAngle;
    /**
     * Sets the weight of the line (thickness).
     *
     * @param weight The new weight of the line
     */
    setWeight(weight: number): void;
    /**
     * Gets the weight of the line (thickness).
     *
     * @returns The stroke weight of the line
     */
    getWeight(): number;
    /**
     * Sets the starting point of the line.
     *
     * @param start The new starting point of the line
     */
    setStart(start: vec2): void;
    /**
     * Gets the point at which the line begins.
     *
     * @returns The start point of the line
     */
    getStart(): vec2;
    /**
     * Sets the end point of the line.
     *
     * @param end The new end point of the line
     */
    setEnd(end: vec2): void;
    /**
     * Gets the point at which the line ends.
     *
     * @returns The end point of the line
     */
    getEnd(): vec2;
}