/*
 * Class for smooth non-linear interpolation between two given values in N steps
 * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org>
 */
package game;

import java.util.*;

public class Interpolate
{
    double start, end, steps;

    public Interpolate(double start, double end, double steps)
    {
      this.start = start;
      this.end = end;
      this.steps = steps;
    }
    
    public double getValue(double step)
    {
      double n = step / steps;
      double v = n * n * (3.0f - 2.0f * n);
      return (start * v) + (end * (1.0f - v));
    }
}