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47 lines
1.4 KiB
47 lines
1.4 KiB
#include <catch2/catch_test_macros.hpp> |
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#include "../src/physics.h" |
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#include "../src/test_utilities.h" |
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#include <cmath> |
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TEST_CASE("Vector math utilities", "[utilities]") { |
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Vec3 a = {1.0, 2.0, 3.0}; |
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Vec3 b = {4.0, 5.0, 6.0}; |
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SECTION("Vector addition") { |
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Vec3 sum = vec3_add(a, b); |
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REQUIRE(compare_double(sum.x, 5.0, 1e-10)); |
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REQUIRE(compare_double(sum.y, 7.0, 1e-10)); |
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REQUIRE(compare_double(sum.z, 9.0, 1e-10)); |
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} |
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SECTION("Vector subtraction") { |
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Vec3 diff = vec3_sub(b, a); |
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REQUIRE(compare_double(diff.x, 3.0, 1e-10)); |
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REQUIRE(compare_double(diff.y, 3.0, 1e-10)); |
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REQUIRE(compare_double(diff.z, 3.0, 1e-10)); |
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} |
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SECTION("Vector scaling") { |
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Vec3 scaled = vec3_scale(a, 2.0); |
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REQUIRE(compare_double(scaled.x, 2.0, 1e-10)); |
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REQUIRE(compare_double(scaled.y, 4.0, 1e-10)); |
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REQUIRE(compare_double(scaled.z, 6.0, 1e-10)); |
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} |
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SECTION("Vector magnitude") { |
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double mag = vec3_magnitude(a); |
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REQUIRE(compare_double(mag, sqrt(14.0), 1e-10)); |
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} |
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SECTION("Vector distance") { |
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double dist = vec3_distance(a, b); |
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REQUIRE(compare_double(dist, sqrt(27.0), 1e-10)); |
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} |
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SECTION("Vector normalization") { |
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Vec3 unit = vec3_normalize(a); |
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double expected_mag = 1.0; |
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double actual_mag = vec3_magnitude(unit); |
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REQUIRE(compare_double(actual_mag, expected_mag, 1e-10)); |
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} |
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}
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