GEEKING

App/include/util/ExponentialRunningAverage.h

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+#pragma once
+
+#include "Util/G3DCore.h"
+
+namespace RBX {
+
+	// ToDo - templatize this
+	class floatERA {
+	private:
+		float weight;
+		float avg;
+	public:
+		floatERA()
+			: weight(.5f)
+		{
+			reset();
+		}
+
+		floatERA(float weight) 
+			: weight(weight)
+		{
+			reset();
+		}
+
+		void reset() {
+			avg = 0.0f;
+		}
+
+		float pushAndGetAverage(float value) {
+			avg = (weight * (value - avg)) + avg;
+			return avg;
+		}
+
+		float getAverage() {return avg;}
+	};
+
+
+
+	class Vector3ERA {
+	private:
+		float weight;
+		Vector3 avg;
+	public:
+		Vector3ERA()
+			:weight(.5f) 
+		{}					// Vector inits to zeros
+
+		Vector3ERA(float weight)
+			: weight(weight)
+		{}					// Vector3 inits to zeros;
+
+		void reset(const Vector3& value) {
+			avg = value;
+		}
+
+		void reset() {
+			reset(Vector3::zero());
+		}
+		
+		void push(const Vector3& value) {
+			avg += weight * (value - avg);
+		}
+
+		const Vector3& getAverage() {return avg;}
+	};
+}
+
+