Fix normal noise amplitude 0 check

src/app/visualization/NormalNoise.ts

@@ -33,9 +33,9 @@ export class NormalNoise {
     for (let i = 0; i < this.amplitudes.length; i += 1) {
       if (this.amplitudes[i] !== 0) {
         value += this.amplitudes[i] * this.noiseLevels[i].noise2D(this.wrap(x * inputF), this.wrap(y * inputF) + i) * valueF
-        inputF *= 2
-        valueF /= 2
       }
+      inputF *= 2
+      valueF /= 2
     }
     return 2 * value * this.valueFactor
   }