text: /// <reference types="./AmbientLightProbe.d.ts" />
  /// <reference lib="dom" />
  import { Color } from "../math/Color.js";
  import { LightProbe } from "./LightProbe.js";
  
  function AmbientLightProbe(color, intensity) {
    LightProbe.call(this, undefined, intensity);
  
    const color1 = new Color().set(color);
  
    // without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI );
    this.sh.coefficients[0].set(color1.r, color1.g, color1.b).multiplyScalar(
      2 * Math.sqrt(Math.PI),
    );
  }
  
  AmbientLightProbe.prototype = Object.assign(
    Object.create(LightProbe.prototype),
    {
      constructor: AmbientLightProbe,
  
      isAmbientLightProbe: true,
  
      copy: function (source) { // modifying color not currently supported
        LightProbe.prototype.copy.call(this, source);
  
        return this;
      },
  
      toJSON: function (meta) {
        const data = LightProbe.prototype.toJSON.call(this, meta);
  
        // data.sh = this.sh.toArray(); // todo
  
        return data;
      },
    },
  );
  
  export { AmbientLightProbe };
  