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105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
//
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// Created by Vlad on 3/17/2025.
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//
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#include <gtest/gtest.h>
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#include <omath/engines/iw_engine/camera.hpp>
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#include <omath/engines/iw_engine/constants.hpp>
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#include <omath/engines/iw_engine/formulas.hpp>
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TEST(UnitTestIwEngine, ForwardVector)
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{
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const auto forward = omath::iw_engine::ForwardVector({});
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EXPECT_EQ(forward, omath::iw_engine::kAbsForward);
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}
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TEST(UnitTestIwEngine, RightVector)
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{
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const auto right = omath::iw_engine::RightVector({});
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EXPECT_EQ(right, omath::iw_engine::kAbsRight);
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}
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TEST(UnitTestIwEngine, UpVector)
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{
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const auto up = omath::iw_engine::UpVector({});
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EXPECT_EQ(up, omath::iw_engine::kAbsUp);
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}
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TEST(UnitTestIwEngine, ForwardVectorRotationYaw)
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{
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omath::iw_engine::ViewAngles angles;
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angles.yaw = omath::iw_engine::YawAngle::FromDegrees(-90.f);
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const auto forward = omath::iw_engine::ForwardVector(angles);
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EXPECT_NEAR(forward.x, omath::iw_engine::kAbsRight.x, 0.00001f);
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EXPECT_NEAR(forward.y, omath::iw_engine::kAbsRight.y, 0.00001f);
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EXPECT_NEAR(forward.z, omath::iw_engine::kAbsRight.z, 0.00001f);
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}
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TEST(UnitTestIwEngine, ForwardVectorRotationPitch)
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{
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omath::iw_engine::ViewAngles angles;
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angles.pitch = omath::iw_engine::PitchAngle::FromDegrees(-89.f);
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const auto forward = omath::iw_engine::ForwardVector(angles);
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EXPECT_NEAR(forward.x, omath::iw_engine::kAbsUp.x, 0.02f);
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EXPECT_NEAR(forward.y, omath::iw_engine::kAbsUp.y, 0.01f);
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EXPECT_NEAR(forward.z, omath::iw_engine::kAbsUp.z, 0.01f);
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}
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TEST(UnitTestIwEngine, ForwardVectorRotationRoll)
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{
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omath::iw_engine::ViewAngles angles;
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angles.roll = omath::iw_engine::RollAngle::FromDegrees(90.f);
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const auto forward = omath::iw_engine::UpVector(angles);
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EXPECT_NEAR(forward.x, omath::iw_engine::kAbsRight.x, 0.00001f);
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EXPECT_NEAR(forward.y, omath::iw_engine::kAbsRight.y, 0.00001f);
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EXPECT_NEAR(forward.z, omath::iw_engine::kAbsRight.z, 0.00001f);
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}
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TEST(UnitTestIwEngine, ProjectTargetMovedFromCamera)
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{
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constexpr auto fov = omath::projection::FieldOfView::FromDegrees(90.f);
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const auto cam = omath::iw_engine::Camera({0, 0, 0}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
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for (float distance = 0.02f; distance < 1000.f; distance += 0.01f)
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{
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const auto projected = cam.WorldToScreen({distance, 0, 0});
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EXPECT_TRUE(projected.has_value());
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if (!projected.has_value())
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continue;
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EXPECT_NEAR(projected->x, 960, 0.00001f);
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EXPECT_NEAR(projected->y, 540, 0.00001f);
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}
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}
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TEST(UnitTestIwEngine, CameraSetAndGetFov)
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{
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constexpr auto fov = omath::projection::FieldOfView::FromDegrees(90.f);
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auto cam = omath::iw_engine::Camera({0, 0, 0}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
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EXPECT_EQ(cam.GetFieldOfView().AsDegrees(), 90.f);
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cam.SetFieldOfView(omath::projection::FieldOfView::FromDegrees(50.f));
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EXPECT_EQ(cam.GetFieldOfView().AsDegrees(), 50.f);
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}
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TEST(UnitTestIwEngine, CameraSetAndGetOrigin)
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{
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auto cam = omath::iw_engine::Camera({0, 0, 0}, {}, {1920.f, 1080.f}, {}, 0.01f, 1000.f);
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EXPECT_EQ(cam.GetOrigin(), omath::Vector3<float>{});
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cam.SetFieldOfView(omath::projection::FieldOfView::FromDegrees(50.f));
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EXPECT_EQ(cam.GetFieldOfView().AsDegrees(), 50.f);
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} |