import Camera from "../../camera/camera";
import { Mouse } from "../../input/mouse";
/**
 * Allows the camera to be panned, zoomed and rotated.
 *
 * By default the middle mouse button is used for panning, scroll for zoom and arrow keys for rotation.
 */
export default class EditorCameraControls {
    camera: Camera;
    private canvas;
    panButton: Mouse;
    private isPanPressed;
    private last;
    zoomSensitivity: number;
    rotateSpeed: number;
    posRotateKey: string;
    negRotateKey: string;
    /**
     * Create an {@link EditorCameraControls} instance.
     *
     * @param camera The camera to control
     * @param canvas The canvas to attach event listeners to
     */
    constructor(camera: Camera, canvas: HTMLCanvasElement);
    /**
     * Enables panning when the mouse button is pressed.
     *
     * @param e The mouse event
     */
    private onMousedown;
    /**
     * Disables panning when the mouse button is released.
     *
     * @param e The mouse event
     */
    private onMouseup;
    /**
     * Moves the camera by the difference between the current and last mouse position.
     *
     * @param e The mouse event
     */
    private onMousemove;
    /**
     * Zooms/unzooms the camera.
     *
     * @param e The wheel event
     */
    private onWheel;
    /**
     * Rotates the camera on key down.
     *
     * @param e The keyboard event
     */
    private onKeydown;
    /**
     * Set the canvas to be attach event listeners to.
     *
     * @param canvas The {@link HTMLCanvasElement} to attach event listeners to
     */
    setCanvas(canvas: HTMLCanvasElement): void;
    /**
     * Get the canvas that event listeners are on.
     *
     * @returns The canvas that event listeners are attached to
     */
    getCanvas(): HTMLCanvasElement;
}