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95366d21df
* wip * temp * temp2 * first part of log macros * more log macros * logtest * clean up * dont initialize game info because we are missing stuff
44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
#include "gtest/gtest.h"
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#include "common/math/geometry.h"
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TEST(Math, RaySphereOrigin) {
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math::Vector<float, 3> sphere(0, 0, 0);
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math::Vector<float, 3> line_origin(0, 0, 0);
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math::Vector<float, 3> line_dir(1, 2, 3); // shouldn't matter
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auto result = math::ray_sphere_intersect(line_origin, line_dir, sphere, 1.f);
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EXPECT_FLOAT_EQ(result.u[0], 1.f);
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EXPECT_FLOAT_EQ(result.u[1], -1.f);
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}
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TEST(Math, RaySphereOriginOffsetXProbeX) {
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math::Vector<float, 3> sphere(0, 0, 0);
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math::Vector<float, 3> line_origin(0.5, 0, 0);
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math::Vector<float, 3> line_dir(1, 0, 0);
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auto result = math::ray_sphere_intersect(line_origin, line_dir, sphere, 1.f);
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EXPECT_FLOAT_EQ(result.u[0], 0.5f);
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EXPECT_FLOAT_EQ(result.u[1], -1.5f);
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}
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TEST(Math, RaySphereOriginOffsetXProbeY) {
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math::Vector<float, 3> sphere(0, 0, 0);
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math::Vector<float, 3> line_origin(0.5, 0, 0);
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math::Vector<float, 3> line_dir(0, 1, 0);
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auto result = math::ray_sphere_intersect(line_origin, line_dir, sphere, 1.f);
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// should be +/- sqrt(3)/2, draw a triangle.
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EXPECT_FLOAT_EQ(result.u[0], std::sqrt(3.f) / 2.f);
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EXPECT_FLOAT_EQ(result.u[1], -std::sqrt(3.f) / 2.f);
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}
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TEST(Math, RaySphereMakeTestCaseHit) {
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math::Vector<float, 3> sphere(0.4, 0.3, 0.7);
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math::Vector<float, 3> line_origin(0.2, -3, 0);
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math::Vector<float, 3> line_dir(0, 1, 0);
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auto result = math::ray_sphere_intersect(line_origin, line_dir, sphere, 1.2f);
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fmt::print("Test case: {} {} {}\n", result.hit, result.u[0], result.u[1]);
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}
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TEST(Math, RaySphereMiss) {
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math::Vector<float, 3> sphere(1, 2, 3);
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fmt::print("{}\n", sphere.to_string_aligned());
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}
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