/**
 * @desc Defines its {@link Camera}'s orthographic projection as a box-shaped view volume.
 *
 * * Located at {@link Camera#ortho}.
 * * Works like Blender's orthographic projection, where the positions of the left, right, top and bottom planes are implicitly
 * indicated with a single {@link Ortho#scale} property, which causes the frustum to be symmetrical on X and Y axis, large enough to
 * contain the number of units given by {@link Ortho#scale}.
 * * {@link Ortho#near} and {@link Ortho#far} indicated the distances to the WebGL clipping planes.
 */
export class Ortho extends Component {
    /**
     * The Camera this Ortho belongs to.
     *
     * @property camera
     * @type {Camera}
     * @final
     */
    camera: any;
    _state: RenderState;
    _inverseMatrixDirty: boolean;
    _transposedMatrixDirty: boolean;
    /**
     * Sets scale factor for this Ortho's extents on X and Y axis.
     *
     * Clamps to minimum value of ````0.01```.
     *
     * Fires a "scale" event on change.
     *
     * Default value is ````1.0````
     * @param {Number} value New scale value.
     */
    set scale(arg: number);
    /**
     * Gets scale factor for this Ortho's extents on X and Y axis.
     *
     * Clamps to minimum value of ````0.01```.
     *
     * Default value is ````1.0````
     *
     * @returns {Number} New Ortho scale value.
     */
    get scale(): number;
    /**
     * Sets the position of the Ortho's near plane on the positive View-space Z-axis.
     *
     * Fires a "near" emits on change.
     *
     * Default value is ````0.1````.
     *
     * @param {Number} value New Ortho near plane position.
     */
    set near(arg: number);
    /**
     * Gets the position of the Ortho's near plane on the positive View-space Z-axis.
     *
     * Default value is ````0.1````.
     *
     * @returns {Number} New Ortho near plane position.
     */
    get near(): number;
    /**
     * Sets the position of the Ortho's far plane on the positive View-space Z-axis.
     *
     * Fires a "far" event on change.
     *
     * Default value is ````2000.0````.
     *
     * @param {Number} value New far ortho plane position.
     */
    set far(arg: number);
    /**
     * Gets the position of the Ortho's far plane on the positive View-space Z-axis.
     *
     * Default value is ````10000.0````.
     *
     * @returns {Number} New far ortho plane position.
     */
    get far(): number;
    _onCanvasBoundary: any;
    _scale: number;
    /**
     * Gets the Ortho's projection transform matrix.
     *
     * Fires a "matrix" event on change.
     *
     * Default value is ````[1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]````.
     *
     * @returns {Number[]} The Ortho's projection matrix.
     */
    get matrix(): number[];
    /**
     * Gets the inverse of {@link Ortho#matrix}.
     *
     * @returns {Number[]} The inverse of {@link Ortho#matrix}.
     */
    get inverseMatrix(): number[];
    /**
     * Gets the transpose of {@link Ortho#matrix}.
     *
     * @returns {Number[]} The transpose of {@link Ortho#matrix}.
     */
    get transposedMatrix(): number[];
    /**
     * Un-projects the given Canvas-space coordinates, using this Ortho projection.
     *
     * @param {Number[]} canvasPos Inputs 2D Canvas-space coordinates.
     * @param {Number} screenZ Inputs Screen-space Z coordinate.
     * @param {Number[]} screenPos Outputs 3D Screen/Clip-space coordinates.
     * @param {Number[]} viewPos Outputs un-projected 3D View-space coordinates.
     * @param {Number[]} worldPos Outputs un-projected 3D World-space coordinates.
     */
    unproject(canvasPos: number[], screenZ: number, screenPos: number[], viewPos: number[], worldPos: number[]): number[];
}
import { Component } from "../Component.js";
import { RenderState } from "../webgl/RenderState.js";