import { Sprite } from "@pixi/sprite";
import { Texture, Resource } from "@pixi/core";
import { Matrix4x4 } from "../transform/matrix";
export declare class ProjectionSprite extends Sprite {
    private _pixelsPerUnit;
    distanceFromCamera: number;
    modelViewProjection: Matrix4x4;
    constructor(texture?: Texture<Resource>);
    get pixelsPerUnit(): number;
    set pixelsPerUnit(value: number);
    calculateVertices(): void;
}