text: let vec3 = Float32Array;
  
  export default function (a, b, dst = new vec3(3)) {
  
      const a0 = a[0];
      const a1 = a[1];
      const a2 = a[2];
  
      const b0 = b[0];
      const b1 = b[1];
      const b2 = b[2];
  
      dst[0] = (a1 * b2) - (a2 * b1);
      dst[1] = (a2 * b0) - (a0 * b2);
      dst[2] = (a0 * b1) - (a1 * b0);
  
      return dst;
  
  }
  