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27 lines
983 B
C++
27 lines
983 B
C++
//
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// Interpolate.h
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// libraries/shared/src
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//
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// Created by David Rowe on 10 Sep 2015.
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// Copyright 2015 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#ifndef hifi_Interpolate_h
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#define hifi_Interpolate_h
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class Interpolate {
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public:
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// Bezier interpolate at position u [0.0 - 1.0] between y values equally spaced along the x-axis. The interpolated values
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// pass through y1 and y3 but not y2; y2 is the Bezier control point.
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static float bezierInterpolate(float y1, float y2, float y3, float u);
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// Interpolate at position u [0.0 - 1.0] between y values equally spaced along the x-axis such that the interpolated values
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// pass through all three y values. Return value lies wholly within the range of y values passed in.
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static float interpolate3Points(float y1, float y2, float y3, float u);
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};
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#endif // hifi_Interpolate_h
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