import Light from "./Light";
import Fbo from "nanogl/fbo";
import Camera from "nanogl-camera";
import { GLContext } from "nanogl/types";
import Texture2D from "nanogl/texture-2d";
import { mat4 } from "gl-matrix";
import Bounds from "../Bounds";
export default abstract class PunctualLight extends Light {
    _color: Float32Array;
    _wdir: Float32Array;
    _fbo: Fbo | null;
    _camera: Camera | null;
    iblShadowing: number;
    shadowmapSize: number;
    constructor();
    private _castShadows;
    set castShadows(flag: boolean);
    get castShadows(): boolean;
    hasDepthShadowmap(): boolean;
    initShadowmap(gl: GLContext): void;
    getShadowmap(): Texture2D | null;
    bindShadowmap(): void;
    getShadowProjection(bounds: Bounds): mat4;
    protected _initShadowMapping(gl: GLContext): void;
    getCamera(): Camera;
    protected _releaseShadowMapping(): void;
    abstract projectionFromBounds(bounds: Bounds): void;
    abstract getTexelBiasVector(): Float32Array;
    protected abstract _createCamera(): Camera;
    boundsInLocalSpace(bounds: Bounds): Float32Array;
}