SmoothingFloatBuffer.java

package net.d3add3d.d3utils;

/**
 * 
 * This is simple smoothing buffer I created for working with audio in Processing but it can be used for anything.
 * 
 * @author D3add3d
 *
 */

public class SmoothingFloatBuffer {
	private float[] buffer;
	private float average;
	private int pointer;
	
	/**
	 * @param length Size of the buffer (recommended values for smoothing output from FFT.getAvg() are 3 to 10)
	 */
	
	public SmoothingFloatBuffer(int length) {
		buffer = new float[length];
		pointer = 0;
	}
	public float get() {
		average = 0.0f;
		for(int i = 0; i < buffer.length; i++){
			average += (float)buffer[i];
		}
		average = average/buffer.length;
		return average;
	}
	public void add(float number) {
		buffer[pointer] = number;
		if(pointer < buffer.length-1) {
			pointer++;
		} else {
			pointer = 0;
		}
	}
}