2018-02-13 17:03:11 +01:00
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#pragma once
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#include "common_structures.hpp"
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class Ground {
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public:
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virtual double operator() (double, double) const = 0;
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2018-02-13 18:06:01 +01:00
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virtual Point get_normal(double x, double y) const = 0;
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2018-02-13 17:03:11 +01:00
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};
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