/**
 * Allows to detect when the mouse hovers over an object
 *
 */
import { TypedEventNode } from './_Base';
import { EventContext } from '../../scene/utils/events/_BaseEventsController';
import { RaycastCPUController } from './utils/raycast/CPUController';
import { RaycastGPUController } from './utils/raycast/GPUController';
import { ParamType } from '../../poly/ParamType';
export declare enum TargetType {
    SCENE_GRAPH = "scene graph",
    NODE = "node"
}
export declare const TARGET_TYPES: TargetType[];
import { NodeParamsConfig } from '../utils/params/ParamsConfig';
declare class RaycastParamsConfig extends NodeParamsConfig {
    /** @param defines if the ray detection is done on the CPU or GPU (GPU being currently experimental) */
    mode: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.INTEGER>;
    /** @param mouse coordinates (0,0) being the center of the screen, (-1,-1) being the bottom left corner and (1,1) being the top right corner */
    mouse: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.VECTOR2>;
    /** @param by default the ray is sent from the current camera, but this allows to set another camera */
    overrideCamera: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.BOOLEAN>;
    /** @param by default the ray is sent from the current camera, but this allows to set a custom ray */
    overrideRay: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.BOOLEAN>;
    /** @param the camera to override to */
    camera: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.OPERATOR_PATH>;
    /** @param the ray origin */
    rayOrigin: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.VECTOR3>;
    /** @param the ray direction */
    rayDirection: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.VECTOR3>;
    /** @param the material to use on the scene for GPU detection */
    material: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.OPERATOR_PATH>;
    /** @param the current pixel value being read */
    pixelValue: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.VECTOR4>;
    /** @param the value threshold for which a hit is detected */
    hitThreshold: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.FLOAT>;
    /** @param defines the hit it tested against geometry or just a plane */
    intersectWith: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.INTEGER>;
    /** @param threshold used to test hit with points */
    pointsThreshold: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.FLOAT>;
    /** @param plane direction if the hit is tested against a plane */
    planeDirection: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.VECTOR3>;
    /** @param plane offset if the hit is tested against a plane */
    planeOffset: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.FLOAT>;
    targetType: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.INTEGER>;
    /** @param node whose objects to test hit against, when testing against geometries */
    targetNode: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.NODE_PATH>;
    /** @param objects to test hit against, when testing against geometries */
    objectMask: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.STRING>;
    /** @param prints which objects are targeted by this node, for debugging */
    printFoundObjectsFromMask: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.BUTTON>;
    /** @param toggle to hit if tested against children */
    traverseChildren: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.BOOLEAN>;
    sep: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.SEPARATOR>;
    /** @param toggle on to set the param to the hit position */
    tpositionTarget: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.BOOLEAN>;
    /** @param this will be set to the hit position */
    position: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.VECTOR3>;
    /** @param this parameter will be set to the hit position */
    positionTarget: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.OPERATOR_PATH>;
    /** @param toggle on to set the param to the mouse velocity (experimental) */
    tvelocity: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.BOOLEAN>;
    /** @param toggle on to set the param to the mouse velocity */
    tvelocityTarget: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.BOOLEAN>;
    /** @param this will be set to the mouse velocity */
    velocity: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.VECTOR3>;
    /** @param this will be set to the mouse velocity */
    velocityTarget: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.OPERATOR_PATH>;
    /** @param for geometry hit tests, a vertex attribute can be read */
    geoAttribute: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.BOOLEAN>;
    /** @param geometry vertex attribute to read */
    geoAttributeName: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.STRING>;
    /** @param type of attribute */
    geoAttributeType: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.INTEGER>;
    /** @param attribute value for float */
    geoAttributeValue1: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.FLOAT>;
    /** @param attribute value for string */
    geoAttributeValues: import("../utils/params/ParamsConfig").ParamTemplate<ParamType.STRING>;
}
export declare class RaycastEventNode extends TypedEventNode<RaycastParamsConfig> {
    params_config: RaycastParamsConfig;
    static type(): string;
    static readonly OUTPUT_HIT = "hit";
    static readonly OUTPUT_MISS = "miss";
    readonly cpu_controller: RaycastCPUController;
    readonly gpu_controller: RaycastGPUController;
    initializeNode(): void;
    trigger_hit(context: EventContext<MouseEvent>): void;
    trigger_miss(context: EventContext<MouseEvent>): void;
    private _process_mouse_event;
    private _last_event_processed_at;
    private _process_trigger_event_throttled;
    private _process_trigger_event;
    private _process_trigger_update_objects;
    private _process_trigger_vel_reset;
}
export {};