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39 lines
1.1 KiB
39 lines
1.1 KiB
#include <test_common.h>
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#include <igl/segment_segment_intersect.h>
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TEST_CASE("segment_segment_intersect: examples", "[igl]")
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{
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// example 1
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// https://github.com/libigl/libigl/issues/965
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auto s1 = Eigen::RowVector3d(581, 388, -54);
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auto dir1 = Eigen::RowVector3d(0.75, -4.36, 0.64);
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auto s2 = Eigen::RowVector3d(636, 77, -10);
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auto dir2 = Eigen::RowVector3d(-2.79, 0.96, 0.39);
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double a1, a2;
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bool sect1 = igl::segment_segment_intersect(s1, dir1, s2, dir2, a1, a2);
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bool intersectCondition1 = (a1 >= 0 && a1 <= 1 && a2 >= 0 && a2 <= 1);
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REQUIRE(sect1 == false);
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REQUIRE(intersectCondition1 == false);
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// example 2
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// https://github.com/libigl/libigl/issues/957
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auto s3 = Eigen::RowVector3d(-56.6, 0, -201.7);
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auto dir3 = Eigen::RowVector3d(0, 0, 1);
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auto s4 = Eigen::RowVector3d(-65.6, 0, 258.8);
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auto dir4 = Eigen::RowVector3d(15.4, 0, 1.9);
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double a3, a4;
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bool sect2 = igl::segment_segment_intersect(s3, dir3, s4, dir4, a3, a4);
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bool intersectCondition2 = (a3 >= 0 && a3 <= 1 && a4 >= 0 && a4 <= 1);
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REQUIRE(sect2 == false);
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REQUIRE(intersectCondition2 == false);
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}
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