import Vector3 from '../math/Vector3';
import Particle from './Particle';
import * as Value from '../math/Value';
interface ParticleEmitterOpts {
    /**
     * Maximum number of particles created by this emitter
     */
    max: number;
    /**
     * Number of particles created by this emitter each shot
     */
    amount: number;
    /**
     * Particle life generator
     */
    life?: Value.Value<number>;
    /**
     * Particle position generator
     */
    position?: Value.Value<Vector3>;
    /**
     * Particle rotation generator
     */
    rotation?: Value.Value<Vector3>;
    /**
     * Particle velocity generator
     */
    velocity?: Value.Value<Vector3>;
    /**
     * Particle angular velocity generator
     */
    angularVelocity?: Value.Value<Vector3>;
    /**
     * Particle sprite size generator
     */
    spriteSize?: Value.Value<number>;
    /**
     * Particle weight generator
     */
    weight?: Value.Value<number>;
}
interface ParticleEmitter extends ParticleEmitterOpts {
}
declare class ParticleEmitter {
    /** @lends clay.particle.Emitter# */
    /**
     * Maximum number of particles created by this emitter
     * @type {number}
     */
    max: number;
    amount: number;
    _particlePool: Particle[];
    constructor(opts?: Partial<ParticleEmitterOpts>);
    /**
     * Emitter number of particles and push them to a given particle list. Emmit number is defined by amount property
     */
    emit(out: Particle[]): void;
    /**
     * Kill a dead particle and put it back in the pool
     */
    kill(particle: Particle): void;
    /**
     * Create a constant 1d value generator. Alias for {@link clay.Value.constant}
     * @function clay.particle.Emitter.constant
     */
    static constant: typeof Value.constant;
    /**
     * Create a constant vector value(2d or 3d) generator. Alias for {@link clay.Value.vector}
     */
    static vector: typeof Value.vector;
    /**
     * Create a random 1d value generator. Alias for {@link clay.Value.random1D}
     */
    static random1D: typeof Value.random1D;
    /**
     * Create a random 2d value generator. Alias for {@link clay.Value.random2D}
     */
    static random2D: typeof Value.random2D;
    /**
     * Create a random 3d value generator. Alias for {@link clay.Value.random3D}
     */
    static random3D: typeof Value.random3D;
}
export default ParticleEmitter;