wasSharp – Blame information for rev 6
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5 | eva | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |||
6 | eva | 7 | using System; |
8 | using System.Linq.Expressions; |
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9 | |||
5 | eva | 10 | namespace wasSharp |
11 | { |
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12 | public class Numerics |
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13 | { |
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14 | /////////////////////////////////////////////////////////////////////////// |
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15 | // Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3 // |
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16 | /////////////////////////////////////////////////////////////////////////// |
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17 | /// <summary> |
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18 | /// Given a value in a source value range and a target range, map |
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19 | /// the value from the source range into the target range. |
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20 | /// </summary> |
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6 | eva | 21 | /// <remarks> |
22 | /// value - the value to map |
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23 | /// xMin - the lower bound of the source range |
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24 | /// xMax - the upper bound of the source range |
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25 | /// yMin - the lower bound of the target range |
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26 | /// yMax - the upper bound of the target range |
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27 | /// </remarks> |
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28 | /// <returns>a value in x mapped in the range of y</returns> |
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29 | public static Func<double, double, double, double, double, double> MapValueToRange = |
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30 | ((Expression<Func<double, double, double, double, double, double>>) |
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31 | ((value, xMin, xMax, yMin, yMax) => yMin + ( |
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32 | ( |
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33 | yMax - yMin |
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34 | ) |
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35 | * |
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36 | ( |
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37 | value - xMin |
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38 | ) |
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39 | / |
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40 | ( |
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41 | xMax - xMin |
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42 | ) |
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43 | ))).Compile(); |
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5 | eva | 44 | } |
45 | } |