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fixed iw engine

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fixed source

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This commit is contained in:
Orange
2025-09-19 22:07:14 +03:00
parent 3df7d65ac1
commit 7fef690f5e
8 changed files with 228 additions and 11 deletions
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111
tests/engines/unit_test_iw_engine.cpp
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@@ -5,7 +5,7 @@
#include <omath/engines/iw_engine/camera.hpp>
#include <omath/engines/iw_engine/constants.hpp>
#include <omath/engines/iw_engine/formulas.hpp>
#include <random>
TEST(unit_test_iw_engine, ForwardVector)
{
@@ -68,7 +68,6 @@ TEST(unit_test_iw_engine, ProjectTargetMovedFromCamera)
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
const auto cam = omath::iw_engine::Camera({0, 0, 0}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
for (float distance = 0.02f; distance < 1000.f; distance += 0.01f)
{
const auto projected = cam.world_to_screen({distance, 0, 0});
@@ -102,4 +101,112 @@ TEST(unit_test_iw_engine, CameraSetAndGetOrigin)
cam.set_field_of_view(omath::projection::FieldOfView::from_degrees(50.f));
EXPECT_EQ(cam.get_field_of_view().as_degrees(), 50.f);
}
TEST(unit_test_iw_engine, loook_at_random_all_axis)
{
std::mt19937 gen(std::random_device{}()); // Seed with a non-deterministic source
std::uniform_real_distribution<float> dist(-500.f, 500.f);
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
auto cam = omath::iw_engine::Camera({dist(gen), dist(gen), dist(gen)}, {}, {1920.f, 1080.f}, fov, 0.001f, 10000.f);
for (int i = 0; i < 100; i++)
{
const auto position_to_look = omath::Vector3<float>{dist(gen), dist(gen), dist(gen)};
cam.look_at(position_to_look);
auto projected_pos = cam.world_to_view_port(position_to_look);
EXPECT_TRUE(projected_pos.has_value());
if (!projected_pos)
continue;
EXPECT_NEAR(projected_pos->x, 0.f, 0.00001f);
EXPECT_NEAR(projected_pos->y, 0.f, 0.00001f);
}
}
TEST(unit_test_iw_engine, loook_at_random_x_axis)
{
std::mt19937 gen(std::random_device{}()); // Seed with a non-deterministic source
std::uniform_real_distribution<float> dist(-500.f, 500.f);
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
auto cam = omath::iw_engine::Camera({dist(gen), dist(gen), dist(gen)}, {}, {1920.f, 1080.f}, fov, 0.001f, 10000.f);
for (int i = 0; i < 1000; i++)
{
const auto position_to_look = omath::Vector3<float>{dist(gen), 0.f, 0.f};
cam.look_at(position_to_look);
auto projected_pos = cam.world_to_view_port(position_to_look);
EXPECT_TRUE(projected_pos.has_value());
if (!projected_pos)
continue;
EXPECT_NEAR(projected_pos->x, 0.f, 0.00001f);
EXPECT_NEAR(projected_pos->y, 0.f, 0.00001f);
}
}
TEST(unit_test_iw_engine, loook_at_random_y_axis)
{
std::mt19937 gen(std::random_device{}()); // Seed with a non-deterministic source
std::uniform_real_distribution<float> dist(-500.f, 500.f);
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
auto cam = omath::iw_engine::Camera({dist(gen), dist(gen), dist(gen)}, {}, {1920.f, 1080.f}, fov, 0.001f, 10000.f);
for (int i = 0; i < 1000; i++)
{
const auto position_to_look = omath::Vector3<float>{0.f, dist(gen), 0.f};
cam.look_at(position_to_look);
auto projected_pos = cam.world_to_view_port(position_to_look);
EXPECT_TRUE(projected_pos.has_value());
if (!projected_pos)
continue;
EXPECT_NEAR(projected_pos->x, 0.f, 0.00001f);
EXPECT_NEAR(projected_pos->y, 0.f, 0.00001f);
}
}
TEST(unit_test_iw_engine, loook_at_random_z_axis)
{
std::mt19937 gen(std::random_device{}()); // Seed with a non-deterministic source
std::uniform_real_distribution<float> dist(-500.f, 500.f);
constexpr auto fov = omath::projection::FieldOfView::from_degrees(90.f);
auto cam = omath::iw_engine::Camera({dist(gen), dist(gen), dist(gen)}, {}, {1920.f, 1080.f}, fov, 0.001f, 10000.f);
for (int i = 0; i < 1000; i++)
{
const auto position_to_look = omath::Vector3<float>{0.f, 0.f, dist(gen)};
cam.look_at(position_to_look);
auto projected_pos = cam.world_to_view_port(position_to_look);
EXPECT_TRUE(projected_pos.has_value());
if (!projected_pos)
continue;
EXPECT_NEAR(projected_pos->x, 0.f, 0.00001f);
EXPECT_NEAR(projected_pos->y, 0.f, 0.00001f);
}
}