213 lines
7.7 KiB
C++
213 lines
7.7 KiB
C++
#if GTEST
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#include <gtest/gtest.h>
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#include <limits>
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#include <math.h>
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#include "Spherical.h"
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#define FLOAT_INFINITY std::numeric_limits<float>::infinity()
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TEST(SphericalSingle, FromVector3) {
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Vector3 v = Vector3(0, 0, 1);
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SphericalSingle s = SphericalSingle ::FromVector3(v);
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EXPECT_FLOAT_EQ(s.distance, 1.0F) << "s.distance 0 0 1";
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EXPECT_FLOAT_EQ(s.direction.horizontal.InDegrees(), 0.0F) << "s.hor 0 0 1";
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EXPECT_FLOAT_EQ(s.direction.vertical.InDegrees(), 0.0F) << "s.vert 0 0 1";
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v = Vector3(0, 1, 0);
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s = SphericalSingle ::FromVector3(v);
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EXPECT_FLOAT_EQ(s.distance, 1.0F) << "s.distance 0 1 0";
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EXPECT_FLOAT_EQ(s.direction.horizontal.InDegrees(), 0.0F) << "s.hor 0 1 0";
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EXPECT_FLOAT_EQ(s.direction.vertical.InDegrees(), 90.0F) << "s.vert 0 1 0";
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v = Vector3(1, 0, 0);
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s = SphericalSingle ::FromVector3(v);
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EXPECT_FLOAT_EQ(s.distance, 1.0F) << "s.distance 1 0 0";
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EXPECT_FLOAT_EQ(s.direction.horizontal.InDegrees(), 90.0F) << "s.hor 1 0 0";
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EXPECT_FLOAT_EQ(s.direction.vertical.InDegrees(), 0.0F) << "s.vert 1 0 0";
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}
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TEST(SphericalSingle, FromPolar) {
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Polar p = Polar(1, Angle::Degrees(0));
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SphericalSingle s = SphericalSingle ::FromPolar(p);
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EXPECT_FLOAT_EQ(s.distance, 1.0F) << "s.distance Polar(1 0)";
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EXPECT_FLOAT_EQ(s.direction.horizontal.InDegrees(), 0.0F)
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<< "s.hor Polar(1 0)";
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EXPECT_FLOAT_EQ(s.direction.vertical.InDegrees(), 0.0F)
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<< "s.vert Polar(1 0)";
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p = Polar(1, Angle::Degrees(45));
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s = SphericalSingle ::FromPolar(p);
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EXPECT_FLOAT_EQ(s.distance, 1.0F) << "s.distance Polar(1 45)";
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EXPECT_FLOAT_EQ(s.direction.horizontal.InDegrees(), 45.0F)
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<< "s.hor Polar(1 45)";
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EXPECT_FLOAT_EQ(s.direction.vertical.InDegrees(), 0.0F)
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<< "s.vert Polar(1 45)";
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p = Polar(1, Angle::Degrees(-45));
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s = SphericalSingle ::FromPolar(p);
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EXPECT_FLOAT_EQ(s.distance, 1.0F) << "s.distance Polar(1 -45)";
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EXPECT_FLOAT_EQ(s.direction.horizontal.InDegrees(), -45.0F)
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<< "s.hor Polar(1 -45)";
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EXPECT_FLOAT_EQ(s.direction.vertical.InDegrees(), 0.0F)
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<< "s.vert Polar(1 -45)";
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p = Polar(0, Angle::Degrees(0));
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s = SphericalSingle ::FromPolar(p);
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EXPECT_FLOAT_EQ(s.distance, 0.0F) << "s.distance Polar(0 0)";
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EXPECT_FLOAT_EQ(s.direction.horizontal.InDegrees(), 0.0F)
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<< "s.hor Polar(0 0)";
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EXPECT_FLOAT_EQ(s.direction.vertical.InDegrees(), 0.0F)
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<< "s.vert Polar(0 0)";
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p = Polar(-1, Angle::Degrees(0));
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s = SphericalSingle ::FromPolar(p);
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EXPECT_FLOAT_EQ(s.distance, 1.0F) << "s.distance Polar(-1 0)";
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EXPECT_FLOAT_EQ(s.direction.horizontal.InDegrees(), -180.0F)
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<< "s.hor Polar(-1 0)";
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EXPECT_FLOAT_EQ(s.direction.vertical.InDegrees(), 0.0F)
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<< "s.vert Polar(-1 0)";
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}
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TEST(SphericalSingle, Incident1) {
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Vector3 v = Vector3(2.242557f, 1.027884f, -0.322347f);
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SphericalSingle s = SphericalSingle ::FromVector3(v);
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SphericalSingle sr =
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SphericalSingle(2.49F, Angle::Degrees(98.18f), Angle::Degrees(24.4F));
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EXPECT_NEAR(s.distance, sr.distance, 1.0e-01);
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EXPECT_NEAR(s.direction.horizontal.InDegrees(),
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sr.direction.horizontal.InDegrees(), 1.0e-02);
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EXPECT_NEAR(s.direction.vertical.InDegrees(),
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sr.direction.vertical.InDegrees(), 1.0e-02);
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Vector3 r = Vector3(sr);
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EXPECT_NEAR(r.Right(), v.Right(), 1.0e-02) << "toVector3.x 1 0 0";
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EXPECT_NEAR(r.Up(), v.Up(), 1.0e-02) << "toVector3.y 1 0 0";
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EXPECT_NEAR(r.Forward(), v.Forward(), 1.0e-02) << "toVector3.z 1 0 0";
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}
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TEST(SphericalSingle, Incident2) {
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Vector3 v = Vector3(1.0f, 0.0f, 1.0f);
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SphericalSingle s = SphericalSingle ::FromVector3(v);
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SphericalSingle sr = SphericalSingle(1.4142135623F, Angle::Degrees(45.0f),
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Angle::Degrees(0.0F));
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EXPECT_NEAR(s.distance, sr.distance, 1.0e-05);
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EXPECT_NEAR(s.direction.horizontal.InDegrees(),
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sr.direction.horizontal.InDegrees(), 1.0e-05);
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EXPECT_NEAR(s.direction.vertical.InDegrees(),
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sr.direction.vertical.InDegrees(), 1.0e-05);
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Vector3 r = Vector3(sr);
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EXPECT_NEAR(r.Right(), v.Right(), 1.0e-06);
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EXPECT_NEAR(r.Up(), v.Up(), 1.0e-06);
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EXPECT_NEAR(r.Forward(), v.Forward(), 1.0e-06);
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v = Vector3(0.0f, 1.0f, 1.0f);
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s = SphericalSingle ::FromVector3(v);
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sr = SphericalSingle(1.4142135623F, Angle::Degrees(0.0f),
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Angle::Degrees(45.0F));
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EXPECT_NEAR(s.distance, sr.distance, 1.0e-05);
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EXPECT_NEAR(s.direction.horizontal.InDegrees(),
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sr.direction.horizontal.InDegrees(), 1.0e-05);
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EXPECT_NEAR(s.direction.vertical.InDegrees(),
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sr.direction.vertical.InDegrees(), 1.0e-05);
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r = Vector3(sr);
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EXPECT_NEAR(r.Right(), v.Right(), 1.0e-06);
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EXPECT_NEAR(r.Up(), v.Up(), 1.0e-06);
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EXPECT_NEAR(r.Forward(), v.Forward(), 1.0e-06);
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v = Vector3(1.0f, 1.0f, 1.0f);
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s = SphericalSingle ::FromVector3(v);
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r = Vector3(s);
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EXPECT_NEAR(s.distance, 1.73205080F, 1.0e-02);
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EXPECT_NEAR(s.direction.horizontal.InDegrees(), 45.0F, 1.0e-02);
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EXPECT_NEAR(s.direction.vertical.InDegrees(), 35.26F, 1.0e-02);
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EXPECT_NEAR(r.Right(), v.Right(), 1.0e-06);
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EXPECT_NEAR(r.Up(), v.Up(), 1.0e-06);
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EXPECT_NEAR(r.Forward(), v.Forward(), 1.0e-06);
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// s = SphericalSingle(10, 45, 45);
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// r = s.ToVector3();
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// EXPECT_NEAR(r.x, 5, 1.0e-06);
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// EXPECT_NEAR(r.y, 7.07, 1.0e-06);
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// EXPECT_NEAR(r.z, 5, 1.0e-06);
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}
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TEST(SphericalSingle, Addition) {
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SphericalSingle v1 =
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SphericalSingle(1, Angle::Degrees(45), Angle::Degrees(0));
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SphericalSingle v2 = SphericalSingle ::zero;
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SphericalSingle r = SphericalSingle ::zero;
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r = v1 + v2;
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EXPECT_FLOAT_EQ(r.distance, v1.distance) << "Addition(0 0 0)";
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r = v1;
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r += v2;
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EXPECT_FLOAT_EQ(r.distance, v1.distance) << "Addition(0 0 0)";
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v2 = SphericalSingle(1, Angle::Degrees(-45), Angle::Degrees(0));
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r = v1 + v2;
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EXPECT_FLOAT_EQ(r.distance, sqrtf(2)) << "Addition(1 -45 0)";
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EXPECT_FLOAT_EQ(r.direction.horizontal.InDegrees(), 0) << "Addition(1 -45 0)";
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EXPECT_FLOAT_EQ(r.direction.vertical.InDegrees(), 0) << "Addition(1 -45 0)";
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v2 = SphericalSingle(1, Angle::Degrees(0), Angle::Degrees(90));
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r = v1 + v2;
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EXPECT_FLOAT_EQ(r.distance, sqrtf(2)) << "Addition(1 0 90)";
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EXPECT_FLOAT_EQ(r.direction.horizontal.InDegrees(), 45) << "Addition(1 0 90)";
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EXPECT_FLOAT_EQ(r.direction.vertical.InDegrees(), 45) << "Addition(1 0 90)";
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}
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TEST(SphericalSingle, AdditionPerformance) {
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const int numIterations = 1000000; // Number of additions to test
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std::vector<SphericalSingle> sphericalObjects;
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// Populate the vector with random SphericalOf objects
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for (int i = 0; i < numIterations; ++i) {
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float distance = (float)(rand() % 100);
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float horizontal = (float)(rand() % 180);
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float vertical = (float)(rand() % 360);
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SphericalSingle s = SphericalSingle::Deg(distance, horizontal, vertical);
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sphericalObjects.push_back(s);
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}
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// Measure the time to perform multiple additions
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auto start = std::chrono::high_resolution_clock::now();
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SphericalSingle result = SphericalSingle::zero; // Start with a
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// zero-initialized object
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for (int i = 0; i < numIterations - 1; ++i) {
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result = result + sphericalObjects[i]; // Add objects
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// together
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}
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auto end = std::chrono::high_resolution_clock::now();
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std::chrono::duration<double> duration = end - start;
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std::cout << "Time to perform " << numIterations - 1
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<< " additions: " << duration.count() << " seconds." << std::endl;
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// Assert that the time taken is less than
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// 1 second (or any other performance
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// requirement)
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ASSERT_LE(duration.count(), 1.0) << "Performance test failed: "
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"Additions took longer than 1 "
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"second.";
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}
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#endif |