33 lines
800 B
C#
33 lines
800 B
C#
using System.Collections.Generic;
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namespace Assets.Common
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{
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public static class PointUtils
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{
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public static Point Mean(IEnumerable<Point> points)
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{
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var result = new Point(0, 0);
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var i = 0;
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foreach (var point in points)
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{
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result.x = (result.x * i + point.x) / (i + 1);
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result.y = (result.y * i + point.y) / (i + 1);
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i++;
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}
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return result;
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}
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public static bool IsClockwise(Point center, Point a, Point b)
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{
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var xa = a.x - center.x;
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var xb = b.x - center.x;
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var ya = a.y - center.y;
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var yb = b.y - center.y;
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return xa * yb - xb * ya < 0;
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}
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}
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} |