44 lines
777 B
C++
44 lines
777 B
C++
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#include <catch.hpp>
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#include <limits>
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extern "C" {
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#include <gds-render/geometric/vector-operations.h>
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}
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TEST_CASE("geometric/vector-operations/vector_2d_add", "[GEOMETRIC]")
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{
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struct vector_2d res;
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struct vector_2d a;
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struct vector_2d b;
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a.x = 1;
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a.y = 2;
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b.x = 2;
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b.y = 6;
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vector_2d_add(&res, &a, &b);
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REQUIRE(res.x == Approx(a.x + b.x));
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REQUIRE(res.y == Approx(a.y + b.y));
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}
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TEST_CASE("geometric/vector-operations/vector_2d_calculate_angle_between", "[GEOMETRIC]")
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{
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double angle;
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struct vector_2d a;
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struct vector_2d b;
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a.x = 1;
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a.y = 0;
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b.x = 0;
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b.y = 1;
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angle = vector_2d_calculate_angle_between(&a, &a);
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REQUIRE(angle == Approx(0.0));
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angle = vector_2d_calculate_angle_between(&a, &b);
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REQUIRE(angle == Approx(90.0 / 180.0 * M_PI));
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}
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