app/node_modules/@babylonjs/core/Cameras/Inputs/arcRotateCameraKeyboardMoveInput.js

import { __decorate } from "../../tslib.es6.js";
import { serialize } from "../../Misc/decorators.js";
import { CameraInputTypes } from "../../Cameras/cameraInputsManager.js";
import { KeyboardEventTypes } from "../../Events/keyboardEvents.js";
import { Tools } from "../../Misc/tools.js";
/**
 * Manage the keyboard inputs to control the movement of an arc rotate camera.
 * @see https://doc.babylonjs.com/features/featuresDeepDive/cameras/customizingCameraInputs
 */
export class ArcRotateCameraKeyboardMoveInput {
    constructor() {
        /**
         * Defines the list of key codes associated with the up action (increase alpha)
         */
        this.keysUp = [38];
        /**
         * Defines the list of key codes associated with the down action (decrease alpha)
         */
        this.keysDown = [40];
        /**
         * Defines the list of key codes associated with the left action (increase beta)
         */
        this.keysLeft = [37];
        /**
         * Defines the list of key codes associated with the right action (decrease beta)
         */
        this.keysRight = [39];
        /**
         * Defines the list of key codes associated with the reset action.
         * Those keys reset the camera to its last stored state (with the method camera.storeState())
         */
        this.keysReset = [220];
        /**
         * Defines the panning sensibility of the inputs.
         * (How fast is the camera panning)
         */
        this.panningSensibility = 50.0;
        /**
         * Defines the zooming sensibility of the inputs.
         * (How fast is the camera zooming)
         */
        this.zoomingSensibility = 25.0;
        /**
         * Defines whether maintaining the alt key down switch the movement mode from
         * orientation to zoom.
         */
        this.useAltToZoom = true;
        /**
         * Rotation speed of the camera
         */
        this.angularSpeed = 0.01;
        this._keys = new Array();
    }
    /**
     * Attach the input controls to a specific dom element to get the input from.
     * @param noPreventDefault Defines whether event caught by the controls should call preventdefault() (https://developer.mozilla.org/en-US/docs/Web/API/Event/preventDefault)
     */
    attachControl(noPreventDefault) {
        // was there a second variable defined?
        // eslint-disable-next-line prefer-rest-params
        noPreventDefault = Tools.BackCompatCameraNoPreventDefault(arguments);
        if (this._onCanvasBlurObserver) {
            return;
        }
        this._scene = this.camera.getScene();
        this._engine = this._scene.getEngine();
        this._onCanvasBlurObserver = this._engine.onCanvasBlurObservable.add(() => {
            this._keys.length = 0;
        });
        this._onKeyboardObserver = this._scene.onKeyboardObservable.add((info) => {
            const evt = info.event;
            if (!evt.metaKey) {
                if (info.type === KeyboardEventTypes.KEYDOWN) {
                    this._ctrlPressed = evt.ctrlKey;
                    this._altPressed = evt.altKey;
                    if (this.keysUp.indexOf(evt.keyCode) !== -1 ||
                        this.keysDown.indexOf(evt.keyCode) !== -1 ||
                        this.keysLeft.indexOf(evt.keyCode) !== -1 ||
                        this.keysRight.indexOf(evt.keyCode) !== -1 ||
                        this.keysReset.indexOf(evt.keyCode) !== -1) {
                        const index = this._keys.indexOf(evt.keyCode);
                        if (index === -1) {
                            this._keys.push(evt.keyCode);
                        }
                        if (evt.preventDefault) {
                            if (!noPreventDefault) {
                                evt.preventDefault();
                            }
                        }
                    }
                }
                else {
                    if (this.keysUp.indexOf(evt.keyCode) !== -1 ||
                        this.keysDown.indexOf(evt.keyCode) !== -1 ||
                        this.keysLeft.indexOf(evt.keyCode) !== -1 ||
                        this.keysRight.indexOf(evt.keyCode) !== -1 ||
                        this.keysReset.indexOf(evt.keyCode) !== -1) {
                        const index = this._keys.indexOf(evt.keyCode);
                        if (index >= 0) {
                            this._keys.splice(index, 1);
                        }
                        if (evt.preventDefault) {
                            if (!noPreventDefault) {
                                evt.preventDefault();
                            }
                        }
                    }
                }
            }
        });
    }
    /**
     * Detach the current controls from the specified dom element.
     */
    detachControl() {
        if (this._scene) {
            if (this._onKeyboardObserver) {
                this._scene.onKeyboardObservable.remove(this._onKeyboardObserver);
            }
            if (this._onCanvasBlurObserver) {
                this._engine.onCanvasBlurObservable.remove(this._onCanvasBlurObserver);
            }
            this._onKeyboardObserver = null;
            this._onCanvasBlurObserver = null;
        }
        this._keys.length = 0;
    }
    /**
     * Update the current camera state depending on the inputs that have been used this frame.
     * This is a dynamically created lambda to avoid the performance penalty of looping for inputs in the render loop.
     */
    checkInputs() {
        if (this._onKeyboardObserver) {
            const camera = this.camera;
            for (let index = 0; index < this._keys.length; index++) {
                const keyCode = this._keys[index];
                if (this.keysLeft.indexOf(keyCode) !== -1) {
                    if (this._ctrlPressed && this.camera._useCtrlForPanning) {
                        camera.inertialPanningX -= 1 / this.panningSensibility;
                    }
                    else {
                        camera.inertialAlphaOffset -= this.angularSpeed;
                    }
                }
                else if (this.keysUp.indexOf(keyCode) !== -1) {
                    if (this._ctrlPressed && this.camera._useCtrlForPanning) {
                        camera.inertialPanningY += 1 / this.panningSensibility;
                    }
                    else if (this._altPressed && this.useAltToZoom) {
                        camera.inertialRadiusOffset += 1 / this.zoomingSensibility;
                    }
                    else {
                        camera.inertialBetaOffset -= this.angularSpeed;
                    }
                }
                else if (this.keysRight.indexOf(keyCode) !== -1) {
                    if (this._ctrlPressed && this.camera._useCtrlForPanning) {
                        camera.inertialPanningX += 1 / this.panningSensibility;
                    }
                    else {
                        camera.inertialAlphaOffset += this.angularSpeed;
                    }
                }
                else if (this.keysDown.indexOf(keyCode) !== -1) {
                    if (this._ctrlPressed && this.camera._useCtrlForPanning) {
                        camera.inertialPanningY -= 1 / this.panningSensibility;
                    }
                    else if (this._altPressed && this.useAltToZoom) {
                        camera.inertialRadiusOffset -= 1 / this.zoomingSensibility;
                    }
                    else {
                        camera.inertialBetaOffset += this.angularSpeed;
                    }
                }
                else if (this.keysReset.indexOf(keyCode) !== -1) {
                    if (camera.useInputToRestoreState) {
                        camera.restoreState();
                    }
                }
            }
        }
    }
    /**
     * Gets the class name of the current input.
     * @returns the class name
     */
    getClassName() {
        return "ArcRotateCameraKeyboardMoveInput";
    }
    /**
     * Get the friendly name associated with the input class.
     * @returns the input friendly name
     */
    getSimpleName() {
        return "keyboard";
    }
}
__decorate([
    serialize()
], ArcRotateCameraKeyboardMoveInput.prototype, "keysUp", void 0);
__decorate([
    serialize()
], ArcRotateCameraKeyboardMoveInput.prototype, "keysDown", void 0);
__decorate([
    serialize()
], ArcRotateCameraKeyboardMoveInput.prototype, "keysLeft", void 0);
__decorate([
    serialize()
], ArcRotateCameraKeyboardMoveInput.prototype, "keysRight", void 0);
__decorate([
    serialize()
], ArcRotateCameraKeyboardMoveInput.prototype, "keysReset", void 0);
__decorate([
    serialize()
], ArcRotateCameraKeyboardMoveInput.prototype, "panningSensibility", void 0);
__decorate([
    serialize()
], ArcRotateCameraKeyboardMoveInput.prototype, "zoomingSensibility", void 0);
__decorate([
    serialize()
], ArcRotateCameraKeyboardMoveInput.prototype, "useAltToZoom", void 0);
__decorate([
    serialize()
], ArcRotateCameraKeyboardMoveInput.prototype, "angularSpeed", void 0);
CameraInputTypes["ArcRotateCameraKeyboardMoveInput"] = ArcRotateCameraKeyboardMoveInput;
//# sourceMappingURL=arcRotateCameraKeyboardMoveInput.js.map