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

import { __decorate } from "../../tslib.es6.js";
import { serialize } from "../../Misc/decorators.js";
import { CameraInputTypes } from "../../Cameras/cameraInputsManager.js";
import { BaseCameraMouseWheelInput } from "../../Cameras/Inputs/BaseCameraMouseWheelInput.js";
import { Matrix, Vector3 } from "../../Maths/math.vector.js";
import { Coordinate } from "../../Maths/math.axis.js";
// eslint-disable-next-line @typescript-eslint/naming-convention
var _CameraProperty;
(function (_CameraProperty) {
    _CameraProperty[_CameraProperty["MoveRelative"] = 0] = "MoveRelative";
    _CameraProperty[_CameraProperty["RotateRelative"] = 1] = "RotateRelative";
    _CameraProperty[_CameraProperty["MoveScene"] = 2] = "MoveScene";
})(_CameraProperty || (_CameraProperty = {}));
/**
 * Manage the mouse wheel inputs to control a free camera.
 * @see https://doc.babylonjs.com/features/featuresDeepDive/cameras/customizingCameraInputs
 */
export class FreeCameraMouseWheelInput extends BaseCameraMouseWheelInput {
    constructor() {
        super(...arguments);
        this._moveRelative = Vector3.Zero();
        this._rotateRelative = Vector3.Zero();
        this._moveScene = Vector3.Zero();
        /**
         * These are set to the desired default behaviour.
         */
        this._wheelXAction = _CameraProperty.MoveRelative;
        this._wheelXActionCoordinate = Coordinate.X;
        this._wheelYAction = _CameraProperty.MoveRelative;
        this._wheelYActionCoordinate = Coordinate.Z;
        this._wheelZAction = null;
        this._wheelZActionCoordinate = null;
    }
    /**
     * Gets the class name of the current input.
     * @returns the class name
     */
    getClassName() {
        return "FreeCameraMouseWheelInput";
    }
    /**
     * Set which movement axis (relative to camera's orientation) the mouse
     * wheel's X axis controls.
     * @param axis The axis to be moved. Set null to clear.
     */
    set wheelXMoveRelative(axis) {
        if (axis === null && this._wheelXAction !== _CameraProperty.MoveRelative) {
            // Attempting to clear different _wheelXAction.
            return;
        }
        this._wheelXAction = _CameraProperty.MoveRelative;
        this._wheelXActionCoordinate = axis;
    }
    /**
     * Get the configured movement axis (relative to camera's orientation) the
     * mouse wheel's X axis controls.
     * @returns The configured axis or null if none.
     */
    get wheelXMoveRelative() {
        if (this._wheelXAction !== _CameraProperty.MoveRelative) {
            return null;
        }
        return this._wheelXActionCoordinate;
    }
    /**
     * Set which movement axis (relative to camera's orientation) the mouse
     * wheel's Y axis controls.
     * @param axis The axis to be moved. Set null to clear.
     */
    set wheelYMoveRelative(axis) {
        if (axis === null && this._wheelYAction !== _CameraProperty.MoveRelative) {
            // Attempting to clear different _wheelYAction.
            return;
        }
        this._wheelYAction = _CameraProperty.MoveRelative;
        this._wheelYActionCoordinate = axis;
    }
    /**
     * Get the configured movement axis (relative to camera's orientation) the
     * mouse wheel's Y axis controls.
     * @returns The configured axis or null if none.
     */
    get wheelYMoveRelative() {
        if (this._wheelYAction !== _CameraProperty.MoveRelative) {
            return null;
        }
        return this._wheelYActionCoordinate;
    }
    /**
     * Set which movement axis (relative to camera's orientation) the mouse
     * wheel's Z axis controls.
     * @param axis The axis to be moved. Set null to clear.
     */
    set wheelZMoveRelative(axis) {
        if (axis === null && this._wheelZAction !== _CameraProperty.MoveRelative) {
            // Attempting to clear different _wheelZAction.
            return;
        }
        this._wheelZAction = _CameraProperty.MoveRelative;
        this._wheelZActionCoordinate = axis;
    }
    /**
     * Get the configured movement axis (relative to camera's orientation) the
     * mouse wheel's Z axis controls.
     * @returns The configured axis or null if none.
     */
    get wheelZMoveRelative() {
        if (this._wheelZAction !== _CameraProperty.MoveRelative) {
            return null;
        }
        return this._wheelZActionCoordinate;
    }
    /**
     * Set which rotation axis (relative to camera's orientation) the mouse
     * wheel's X axis controls.
     * @param axis The axis to be moved. Set null to clear.
     */
    set wheelXRotateRelative(axis) {
        if (axis === null && this._wheelXAction !== _CameraProperty.RotateRelative) {
            // Attempting to clear different _wheelXAction.
            return;
        }
        this._wheelXAction = _CameraProperty.RotateRelative;
        this._wheelXActionCoordinate = axis;
    }
    /**
     * Get the configured rotation axis (relative to camera's orientation) the
     * mouse wheel's X axis controls.
     * @returns The configured axis or null if none.
     */
    get wheelXRotateRelative() {
        if (this._wheelXAction !== _CameraProperty.RotateRelative) {
            return null;
        }
        return this._wheelXActionCoordinate;
    }
    /**
     * Set which rotation axis (relative to camera's orientation) the mouse
     * wheel's Y axis controls.
     * @param axis The axis to be moved. Set null to clear.
     */
    set wheelYRotateRelative(axis) {
        if (axis === null && this._wheelYAction !== _CameraProperty.RotateRelative) {
            // Attempting to clear different _wheelYAction.
            return;
        }
        this._wheelYAction = _CameraProperty.RotateRelative;
        this._wheelYActionCoordinate = axis;
    }
    /**
     * Get the configured rotation axis (relative to camera's orientation) the
     * mouse wheel's Y axis controls.
     * @returns The configured axis or null if none.
     */
    get wheelYRotateRelative() {
        if (this._wheelYAction !== _CameraProperty.RotateRelative) {
            return null;
        }
        return this._wheelYActionCoordinate;
    }
    /**
     * Set which rotation axis (relative to camera's orientation) the mouse
     * wheel's Z axis controls.
     * @param axis The axis to be moved. Set null to clear.
     */
    set wheelZRotateRelative(axis) {
        if (axis === null && this._wheelZAction !== _CameraProperty.RotateRelative) {
            // Attempting to clear different _wheelZAction.
            return;
        }
        this._wheelZAction = _CameraProperty.RotateRelative;
        this._wheelZActionCoordinate = axis;
    }
    /**
     * Get the configured rotation axis (relative to camera's orientation) the
     * mouse wheel's Z axis controls.
     * @returns The configured axis or null if none.
     */
    get wheelZRotateRelative() {
        if (this._wheelZAction !== _CameraProperty.RotateRelative) {
            return null;
        }
        return this._wheelZActionCoordinate;
    }
    /**
     * Set which movement axis (relative to the scene) the mouse wheel's X axis
     * controls.
     * @param axis The axis to be moved. Set null to clear.
     */
    set wheelXMoveScene(axis) {
        if (axis === null && this._wheelXAction !== _CameraProperty.MoveScene) {
            // Attempting to clear different _wheelXAction.
            return;
        }
        this._wheelXAction = _CameraProperty.MoveScene;
        this._wheelXActionCoordinate = axis;
    }
    /**
     * Get the configured movement axis (relative to the scene) the mouse wheel's
     * X axis controls.
     * @returns The configured axis or null if none.
     */
    get wheelXMoveScene() {
        if (this._wheelXAction !== _CameraProperty.MoveScene) {
            return null;
        }
        return this._wheelXActionCoordinate;
    }
    /**
     * Set which movement axis (relative to the scene) the mouse wheel's Y axis
     * controls.
     * @param axis The axis to be moved. Set null to clear.
     */
    set wheelYMoveScene(axis) {
        if (axis === null && this._wheelYAction !== _CameraProperty.MoveScene) {
            // Attempting to clear different _wheelYAction.
            return;
        }
        this._wheelYAction = _CameraProperty.MoveScene;
        this._wheelYActionCoordinate = axis;
    }
    /**
     * Get the configured movement axis (relative to the scene) the mouse wheel's
     * Y axis controls.
     * @returns The configured axis or null if none.
     */
    get wheelYMoveScene() {
        if (this._wheelYAction !== _CameraProperty.MoveScene) {
            return null;
        }
        return this._wheelYActionCoordinate;
    }
    /**
     * Set which movement axis (relative to the scene) the mouse wheel's Z axis
     * controls.
     * @param axis The axis to be moved. Set null to clear.
     */
    set wheelZMoveScene(axis) {
        if (axis === null && this._wheelZAction !== _CameraProperty.MoveScene) {
            // Attempting to clear different _wheelZAction.
            return;
        }
        this._wheelZAction = _CameraProperty.MoveScene;
        this._wheelZActionCoordinate = axis;
    }
    /**
     * Get the configured movement axis (relative to the scene) the mouse wheel's
     * Z axis controls.
     * @returns The configured axis or null if none.
     */
    get wheelZMoveScene() {
        if (this._wheelZAction !== _CameraProperty.MoveScene) {
            return null;
        }
        return this._wheelZActionCoordinate;
    }
    /**
     * Called for each rendered frame.
     */
    checkInputs() {
        if (this._wheelDeltaX === 0 && this._wheelDeltaY === 0 && this._wheelDeltaZ == 0) {
            return;
        }
        // Clear the camera properties that we might be updating.
        this._moveRelative.setAll(0);
        this._rotateRelative.setAll(0);
        this._moveScene.setAll(0);
        // Set the camera properties that are to be updated.
        this._updateCamera();
        if (this.camera.getScene().useRightHandedSystem) {
            // TODO: Does this need done for worldUpdate too?
            this._moveRelative.z *= -1;
        }
        // Convert updates relative to camera to world position update.
        const cameraTransformMatrix = Matrix.Zero();
        this.camera.getViewMatrix().invertToRef(cameraTransformMatrix);
        const transformedDirection = Vector3.Zero();
        Vector3.TransformNormalToRef(this._moveRelative, cameraTransformMatrix, transformedDirection);
        // Apply updates to camera position.
        this.camera.cameraRotation.x += this._rotateRelative.x / 200;
        this.camera.cameraRotation.y += this._rotateRelative.y / 200;
        this.camera.cameraDirection.addInPlace(transformedDirection);
        this.camera.cameraDirection.addInPlace(this._moveScene);
        // Call the base class implementation to handle observers and do cleanup.
        super.checkInputs();
    }
    /**
     * Update the camera according to any configured properties for the 3
     * mouse-wheel axis.
     */
    _updateCamera() {
        // Do the camera updates for each of the 3 touch-wheel axis.
        this._updateCameraProperty(this._wheelDeltaX, this._wheelXAction, this._wheelXActionCoordinate);
        this._updateCameraProperty(this._wheelDeltaY, this._wheelYAction, this._wheelYActionCoordinate);
        this._updateCameraProperty(this._wheelDeltaZ, this._wheelZAction, this._wheelZActionCoordinate);
    }
    /**
     * Update one property of the camera.
     * @param value
     * @param cameraProperty
     * @param coordinate
     */
    _updateCameraProperty(
    /* Mouse-wheel delta. */
    value, 
    /* Camera property to be changed. */
    cameraProperty, 
    /* Axis of Camera property to be changed. */
    coordinate) {
        if (value === 0) {
            // Mouse wheel has not moved.
            return;
        }
        if (cameraProperty === null || coordinate === null) {
            // Mouse wheel axis not configured.
            return;
        }
        let action = null;
        switch (cameraProperty) {
            case _CameraProperty.MoveRelative:
                action = this._moveRelative;
                break;
            case _CameraProperty.RotateRelative:
                action = this._rotateRelative;
                break;
            case _CameraProperty.MoveScene:
                action = this._moveScene;
                break;
        }
        switch (coordinate) {
            case Coordinate.X:
                action.set(value, 0, 0);
                break;
            case Coordinate.Y:
                action.set(0, value, 0);
                break;
            case Coordinate.Z:
                action.set(0, 0, value);
                break;
        }
    }
}
__decorate([
    serialize()
], FreeCameraMouseWheelInput.prototype, "wheelXMoveRelative", null);
__decorate([
    serialize()
], FreeCameraMouseWheelInput.prototype, "wheelYMoveRelative", null);
__decorate([
    serialize()
], FreeCameraMouseWheelInput.prototype, "wheelZMoveRelative", null);
__decorate([
    serialize()
], FreeCameraMouseWheelInput.prototype, "wheelXRotateRelative", null);
__decorate([
    serialize()
], FreeCameraMouseWheelInput.prototype, "wheelYRotateRelative", null);
__decorate([
    serialize()
], FreeCameraMouseWheelInput.prototype, "wheelZRotateRelative", null);
__decorate([
    serialize()
], FreeCameraMouseWheelInput.prototype, "wheelXMoveScene", null);
__decorate([
    serialize()
], FreeCameraMouseWheelInput.prototype, "wheelYMoveScene", null);
__decorate([
    serialize()
], FreeCameraMouseWheelInput.prototype, "wheelZMoveScene", null);
CameraInputTypes["FreeCameraMouseWheelInput"] = FreeCameraMouseWheelInput;
//# sourceMappingURL=freeCameraMouseWheelInput.js.map