64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
#include <Nazara/Math/Sphere.hpp>
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#include <Catch/catch.hpp>
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SCENARIO("Sphere", "[MATH][SPHERE]")
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{
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GIVEN("Two same sphere center and unit")
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{
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NzSpheref firstCenterAndUnit(0.f, 0.f, 0.f, 1.f);
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NzSpheref secondCenterAndUnit(NzSphere<int>(NzVector3i::Zero(), 1));
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WHEN("We compare them")
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{
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THEN("They are the same")
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{
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REQUIRE(firstCenterAndUnit == secondCenterAndUnit);
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}
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}
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WHEN("We ask if they intersect or contain")
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{
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THEN("These results are expected for Contains")
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{
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CHECK(firstCenterAndUnit.Contains(0.5f, 0.5f, 0.5f));
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CHECK(firstCenterAndUnit.Contains(NzBoxf(NzVector3f::Zero(), NzVector3f::Unit() * 0.5f)));
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CHECK(!firstCenterAndUnit.Contains(NzBoxf(NzVector3f::Zero(), NzVector3f::Unit() * 5.f)));
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}
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THEN("There are for Intersect")
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{
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CHECK(firstCenterAndUnit.Intersect(NzBoxf(NzVector3f::Zero(), NzVector3f::Unit() * 0.5f)));
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CHECK(firstCenterAndUnit.Intersect(NzBoxf(NzVector3f::Zero(), NzVector3f::Unit() * 5.f)));
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CHECK(!firstCenterAndUnit.Intersect(NzBoxf(NzVector3f::Unit() * 5.f, NzVector3f::Unit())));
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CHECK(firstCenterAndUnit.Intersect(NzSpheref(NzVector3f::Zero(), 0.5f)));
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CHECK(firstCenterAndUnit.Intersect(NzSpheref(NzVector3f::Zero(), 5.f)));
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CHECK(!firstCenterAndUnit.Intersect(NzSpheref(NzVector3f::Unit() * 5.f, 1.f)));
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}
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}
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WHEN("We ask for distance")
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{
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THEN("These results are expected")
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{
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REQUIRE(firstCenterAndUnit.Distance(NzVector3f::UnitX()) == Approx(1.f));
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REQUIRE(firstCenterAndUnit.SquaredDistance(NzVector3f::UnitX()) == Approx(1.f));
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NzSpheref tmp(NzVector3f::UnitX(), 1.f);
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REQUIRE(tmp.Distance(NzVector3f::UnitX() * 4.f) == Approx(3.f));
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REQUIRE(tmp.SquaredDistance(NzVector3f::UnitX() * 4.f) == Approx(9.f));
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}
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}
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WHEN("We get sphere from box unit and center")
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{
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NzBoxf centerUnitBox(NzVector3f::Unit() * -0.5f, NzVector3f::Unit() * 0.5f);
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THEN("This is equal to sphere center and radius 0.75")
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{
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REQUIRE(centerUnitBox.GetSquaredBoundingSphere() == NzSpheref(NzVector3f::Zero(), 0.75f));
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}
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}
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}
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}
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