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27 lines
No EOL
655 B
C++
27 lines
No EOL
655 B
C++
#pragma once
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#include "../defines.hpp"
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#include <deque>
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constexpr int BAKEDPOINTS = 255;
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constexpr float INVBAKEDPOINTS = 1.f / BAKEDPOINTS;
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// an implementation of a cubic bezier curve
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// might do better later
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// TODO: n-point curves
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class CBezierCurve {
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public:
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// sets up the bezier curve.
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// this EXCLUDES the 0,0 and 1,1 points,
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void setup(std::vector<Vector2D>* points);
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float getYForT(float t);
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float getXForT(float t);
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float getYForPoint(float x);
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private:
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// this INCLUDES the 0,0 and 1,1 points.
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std::deque<Vector2D> m_dPoints;
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std::array<Vector2D, BAKEDPOINTS> m_aPointsBaked;
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}; |