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1 /*
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2 * Class for smooth non-linear interpolation between two given values in N steps
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3 * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org>
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4 */
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5 package game;
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6
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7 import java.util.*;
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8
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9 public class Interpolate
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10 {
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11 double start, end, steps;
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12
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13 public Interpolate(double start, double end, double steps)
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14 {
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15 this.start = start;
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16 this.end = end;
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17 this.steps = steps;
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18 }
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19
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20 public double getValue(double step)
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21 {
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22 double n = step / steps;
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23 double v = n * n * (3.0f - 2.0f * n);
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24 return (start * v) + (end * (1.0f - v));
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25 }
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26 }
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