-.float noise_baccum;
-.float noise_paccum;
-.float noise_paccum2;
-.float noise_paccum3;
-.float noise_bstate;
+#include "noise.qh"
+#include "_.qh"
+
+entityclass(Noise)
+class(Noise) .float noise_baccum;
+class(Noise) .float noise_paccum;
+class(Noise) .float noise_paccum2;
+class(Noise) .float noise_paccum3;
+class(Noise) .float noise_bstate;
+
float Noise_Brown(entity e, float dt)
{
e.noise_baccum += random() * sqrt(dt); // same stddev for all dt