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Feature/more constexpr (#125)

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* added constexpr

* fix

* improved stuff

* added const

* improvement

* fix

* fix

* patch
This commit is contained in:
Orange++
2025-12-24 02:32:14 +03:00
committed by GitHub
parent 897484bea1
commit d935caf1a4
36 changed files with 543 additions and 399 deletions
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26
tests/general/unit_test_pred_engine_trait.cpp
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@@ -14,7 +14,8 @@ TEST(PredEngineTrait, PredictProjectilePositionBasic)
p.m_launch_speed = 10.f;
p.m_gravity_scale = 1.f;
auto pos = PredEngineTrait::predict_projectile_position(p, /*pitch*/0.f, /*yaw*/0.f, /*time*/1.f, /*gravity*/9.81f);
const auto pos = PredEngineTrait::predict_projectile_position(p, /*pitch*/ 0.f, /*yaw*/ 0.f, /*time*/ 1.f,
/*gravity*/ 9.81f);
// With zero pitch and yaw forward vector is along X; expect x ~10, z reduced by gravity*0.5
EXPECT_NEAR(pos.x, 10.f, 1e-3f);
EXPECT_NEAR(pos.z, -9.81f * 0.5f, 1e-3f);
@@ -23,11 +24,11 @@ TEST(PredEngineTrait, PredictProjectilePositionBasic)
TEST(PredEngineTrait, PredictTargetPositionAirborne)
{
projectile_prediction::Target t;
t.m_origin = {0.f,0.f,10.f};
t.m_velocity = {1.f,0.f,0.f};
t.m_origin = {0.f, 0.f, 10.f};
t.m_velocity = {1.f, 0.f, 0.f};
t.m_is_airborne = true;
auto pred = PredEngineTrait::predict_target_position(t, 2.f, 9.81f);
const auto pred = PredEngineTrait::predict_target_position(t, 2.f, 9.81f);
EXPECT_NEAR(pred.x, 2.f, 1e-6f);
// z should have been reduced by gravity* t^2
EXPECT_NEAR(pred.z, 10.f - 9.81f * 4.f * 0.5f, 1e-6f);
@@ -35,30 +36,31 @@ TEST(PredEngineTrait, PredictTargetPositionAirborne)
TEST(PredEngineTrait, CalcVector2dDistance)
{
Vector3<float> d{3.f,4.f,0.f};
constexpr Vector3<float> d{3.f, 4.f, 0.f};
EXPECT_NEAR(PredEngineTrait::calc_vector_2d_distance(d), 5.f, 1e-6f);
}
TEST(PredEngineTrait, CalcViewpointFromAngles)
{
projectile_prediction::Projectile p;
p.m_origin = {0.f,0.f,0.f};
p.m_origin = {0.f, 0.f, 0.f};
p.m_launch_speed = 10.f;
Vector3<float> predicted{10.f, 0.f, 0.f};
std::optional<float> pitch = 45.f;
auto vp = PredEngineTrait::calc_viewpoint_from_angles(p, predicted, pitch);
constexpr Vector3<float> predicted{10.f, 0.f, 0.f};
constexpr std::optional<float> pitch = 45.f;
const auto vp = PredEngineTrait::calc_viewpoint_from_angles(p, predicted, pitch);
// For 45 degrees, height = delta2d * tan(45deg) = 10 * 1 = 10
EXPECT_NEAR(vp.z, 10.f, 1e-6f);
}
TEST(PredEngineTrait, DirectAngles)
{
Vector3<float> origin{0.f,0.f,0.f};
Vector3<float> target{0.f,1.f,1.f};
constexpr Vector3<float> origin{0.f, 0.f, 0.f};
constexpr Vector3<float> target{0.f, 1.f, 1.f};
// yaw should be 90 degrees (pointing along y)
EXPECT_NEAR(PredEngineTrait::calc_direct_yaw_angle(origin, target), 90.f, 1e-3f);
// pitch should be asin(z/distance)
const float dist = origin.distance_to(target);
EXPECT_NEAR(PredEngineTrait::calc_direct_pitch_angle(origin, target), angles::radians_to_degrees(std::asin((target.z-origin.z)/dist)), 1e-3f);
EXPECT_NEAR(PredEngineTrait::calc_direct_pitch_angle(origin, target),
angles::radians_to_degrees(std::asin((target.z - origin.z) / dist)), 1e-3f);
}