backend/libs/three/lights/AmbientLightProbe.js

import { Color } from '../math/Color.js';
import { LightProbe } from './LightProbe.js';

class AmbientLightProbe extends LightProbe {
	constructor(color, intensity = 1) {
		super(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.isAmbientLightProbe = true;

export { AmbientLightProbe };