text: import { P5ConvFilter } from './p5ConvFilter';
  
  export class P5EmbossFilter extends P5ConvFilter {
    constructor() {
      super();
      this.convMatrixValue =  `mat3(-2.0, -1.0, 0.0, -1.0, 1.0, 1.0, 0.0, 1.0, 2.0)`; 
      this.generateFragmentShader();   
    }
  }
  
  