import { BoxGeometry, Mesh, Object3D, PointLight, SpotLight, Vector3, VolumeNodeMaterial, type BufferGeometry, type ColorRepresentation, type Node } from 'three/webgpu';
import type { Viewer } from 'u-space';
export interface FireEffectGridSize {
    x: number;
    y: number;
    z: number;
}
export interface FireEffectOptions {
    /** Bottom-center of the official volume box in world units. */
    position?: Vector3;
    /** Official volume world size. Default: (12, 12, 24). */
    size?: Vector3;
    /** Official simulation grid. Default: 100 x 100 x 200. */
    gridSize?: Partial<FireEffectGridSize>;
    /** Layer used by the isolated volumetric pass. Default: 10. */
    volumeLayer?: number;
    /** Geometry sampled by the official emitter pass. Defaults to TeapotGeometry(0.8, 28). */
    emitterGeometry?: BufferGeometry | null;
    /** Object whose matrix drives the official emitter. Defaults to an internal Object3D at position. */
    emitter?: Object3D | null;
    /** Official wind interaction radius. Default: 1. */
    emitterRadius?: number;
    simulate?: boolean;
    simSpeed?: number;
    /** Jacobi projection iterations. Rounded up to a positive even number. Default: 2. */
    pressureIterations?: number;
    raymarchSteps?: number;
    renderResolution?: number;
    denoise?: boolean;
    denoiseStrength?: number;
    bloom?: boolean;
    bloomStrength?: number;
    bloomRadius?: number;
    bloomThreshold?: number;
    smokeLifespan?: number;
    /** Smoke scattering visibility multiplier. Default: 1, matching the official example. */
    smokeIntensity?: number;
    /** Smoke scattering tint. Default: white, matching the official example. */
    smokeColor?: ColorRepresentation;
    fireLifespan?: number;
    turbulence?: number;
    turbulenceDecay?: number;
    turbulenceFrequency?: number;
    buoyancy?: number;
    velocityDamping?: number;
    emitDensity?: number;
    emitTemperature?: number;
    motionBoost?: number;
    windStrength?: number;
    fireIntensity?: number;
    glowSpread?: number;
    fireHue?: number;
    saturation?: number;
    fireStartColor?: ColorRepresentation;
    fireMidColor?: ColorRepresentation;
    fireEndColor?: ColorRepresentation;
    phaseAsymmetry?: number;
    powderStrength?: number;
    multiScattering?: number;
    shadowAbsorption?: number;
    shadowAmbient?: number;
    keyLight?: boolean;
    pointLight?: boolean;
    pointLightIntensity?: number;
    pointLightDistance?: number;
}
interface VolumeFireMaterial extends VolumeNodeMaterial {
    scatteringEmissiveNode?: (params: {
        positionRay: Node<'vec3'>;
    }) => Node | null;
}
declare class FireEffect {
    #private;
    viewer: Viewer;
    mesh: Mesh<BoxGeometry, VolumeFireMaterial> | null;
    shadowMesh: Mesh<BoxGeometry, VolumeNodeMaterial> | null;
    keyLight: SpotLight | null;
    pointLight: PointLight | null;
    constructor(viewer: Viewer, options?: FireEffectOptions);
    get enabled(): boolean;
    get emitter(): Object3D<import("three").Object3DEventMap>;
    enable(options?: FireEffectOptions): this;
    update(options?: FireEffectOptions): this;
    setPosition(position: Vector3): this;
    setEmitter(emitter: Object3D | null, geometry?: BufferGeometry<import("three").NormalBufferAttributes, import("three").BufferGeometryEventMap> | null): this;
    reset(): this;
    disable(): this;
    dispose(): this;
}
export { FireEffect };