@petkoneo/phaser3-rex-plugins/plugins/behaviors/effectproperties/colormatrix/AddGrayscaleProperties.js

Plugins of phaser3

import AddColorMatrixEffectPropertiesBase from './AddColorMatrixEffectPropertiesBase.js';

var AddGrayscaleProperties = function (gameObject) {
    AddColorMatrixEffectPropertiesBase(gameObject, 'grayscale', 1);
    return gameObject;
}

export default AddGrayscaleProperties;