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iondune/RayTracer.SchlicksApproximation.Tests.cpp

Created May 24, 2017 06:58
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Unit tests for schlick's approximation
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RayTracer.SchlicksApproximation.Tests.cpp
TEST_CASE("shlick's approximation")
{
CHECK(CRayTracerMath::SchlicksApproximation(1.02f, vec3f(0, 1, 0), vec3f(0, 1, 0)) == Approx(0.0001f));
CHECK(CRayTracerMath::SchlicksApproximation(1.02f, vec3f(0, 1, 0), vec3f(0.707107f, 0.707107f, 0)) == Approx(0.00225f));
CHECK(CRayTracerMath::SchlicksApproximation(1.02f, vec3f(0, 1, 0), vec3f(0.866025f, 0.5f, 0)) == Approx(0.03134f));
CHECK(CRayTracerMath::SchlicksApproximation(1.02f, vec3f(0, 1, 0), vec3f(0.965926f, 0.258819f, 0)) == Approx(0.22375f));
CHECK(CRayTracerMath::SchlicksApproximation(1.02f, vec3f(0, 1, 0), vec3f(0.996195f, 0.087156f, 0)) == Approx(0.63388f));
}
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