random frequency

1 files changed, 5 insertions, 2 deletions

diff --git a/rotord/src/nodes_maths.h b/rotord/src/nodes_maths.h
index 6bbccdc..b2aa9c7 100644
--- a/rotord/src/nodes_maths.h
+++ b/rotord/src/nodes_maths.h
@@ -229,6 +229,9 @@ namespace Rotor {
 				description="Randomises integer part of signal (seedable)";
 				create_signal_input("signal","Signal");
 				create_parameter("seed","number","Seed value","Seed",1.0);
+				create_parameter("frequency","number","Frequency of randomisation","Frequency",1.0);
+				//kind of a hack
+				//need to think of a better way to randomise periodically
 				NODEID="1de86932-2d0b-11e3-96d3-77aa4558e6cd";
 				std::uniform_int_distribution<> d(-9999, 9999);
 			};
@@ -243,9 +246,9 @@ namespace Rotor {
             		o=inputs[0]->get(time);
                 }
                 else o=time.time;
-            	uint32_t m=(int)o;
+            	uint32_t m=(int)(o/parameters["frequency"]->value);
             	PRNG.seed(m^(int)parameters["seed"]->value);
-                return ((double)(PRNG()&0xffff))+(o-m);
+                return ((double)(PRNG()&0xffff))+(((o/parameters["frequency"]->value)*parameters["frequency"]->value)-m);
 
 				//uint32_t seed=Seed+parameters["seed"]->value;
             	//hash the integer part and add the fractional part back on