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import { Color } from './../math/Color';
import { Object3D } from './../core/Object3D';
import { SpotLightShadow } from './SpotLightShadow';
import { Light } from './Light';
/**
* A point light that can cast shadow in one direction.
*/
export class SpotLight extends Light {
constructor(
color?: Color | string | number,
intensity?: number,
distance?: number,
angle?: number,
penumbra?: number,
decay?: number
);
/**
* Spotlight focus points at target.position.
* Default position — (0,0,0).
*/
target: Object3D;
/**
* Light's intensity.
* Default — 1.0.
*/
intensity: number;
/**
* If non-zero, light will attenuate linearly from maximum intensity at light position down to zero at distance.
* Default — 0.0.
*/
distance: number;
/*
* Maximum extent of the spotlight, in radians, from its direction.
* Default — Math.PI/2.
*/
angle: number;
decay: number;
shadow: SpotLightShadow;
power: number;
penumbra: number;
readonly isSpotLight: true;
}