import { CollisionTraceResult, RawTileLayer } from '../types';
import { Level } from './level';
import { TiledLayer } from './tiledLayer';
import { TiledTileset } from './tiledTileset';
export declare class CollisionLayer extends TiledLayer {
    private lastSlope;
    /**
     * Returns the tileset used for this layer.
     * The tileset file MUST includes the word "collision" in its name
     */
    readonly collisionTileset: TiledTileset;
    /**
     * Returns this layer's tilesize in pixels
     */
    readonly tilesize: number;
    /**
     * Creates an instance of CollisionsLayer.
     */
    constructor(data: RawTileLayer, level: Level);
    /**
     * Returns the tile value for the collision tileset
     *
     * @param {number} tx Tile x position
     * @param {number} ty Tile y position
     * @returns {number} The collision
     */
    getCollisionValue(tx: number, ty: number): number;
    /**
     * Calculates the the next coordinates according to an object (Rectancle), its velocity,
     * and the collision map data.
     * Returns an object containg the new coords along the potential collisions and slope information
     */
    trace(x: number, y: number, vx: number, vy: number, objectWidth: number, objectHeight: number): CollisionTraceResult;
    private traceStep;
    private checkTileDef;
}