admin/omath
1
0
Fork 0
mirror of https://github.com/orange-cpp/omath.git synced 2026-02-13 07:03:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

added open gl stuff

Browse Source
This commit is contained in:
Orange
2024-12-23 17:53:47 +03:00
parent af880be056
commit 931937d010
14 changed files with 206 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
tests/engines/UnitTestOpenGL.cpp
View File

@@ -1,37 +1,69 @@
//
// Created by Orange on 11/23/2024.
//
#include <complex>
#include <gtest/gtest.h>
#include <omath/Matrix.hpp>
#include <print>
// #include <glm/glm.hpp>
// #include "glm/ext/matrix_clip_space.hpp"
// #include "glm/ext/matrix_transform.hpp"
#include <omath/engines/OpenGL/Camera.hpp>
#include <omath/engines/OpenGL/Constants.hpp>
#include <omath/engines/OpenGL/Formulas.hpp>
TEST(UnitTestOpenGL, Projection)
TEST(UnitTestOpenGL, ForwardVector)
{
const auto forward = omath::opengl::ForwardVector({});
/*const auto proj_glm = glm::perspective(glm::radians(90.f), 16.f / 9.f, 0.1f, 1000.f);
// const auto proj_glm2 = glm::perspectiveLH_NO(glm::radians(90.f), 16.f / 9.f, 0.1f, 1000.f);
// const auto proj_omath = omath::Mat<4, 4, float, omath::MatStoreType::COLUMN_MAJOR>((const float*)&proj_glm);
// EXPECT_EQ(omath::opengl::PerspectiveProjectionMatrix(90, 16.f / 9.f, 0.1f, 1000.f), proj_omath);
EXPECT_EQ(forward, omath::opengl::kAbsForward);
}
TEST(UnitTestOpenGL, RightVector)
{
const auto right = omath::opengl::RightVector({});
EXPECT_EQ(right, omath::opengl::kAbsRight);
}
TEST(UnitTestOpenGL, UpVector)
{
const auto up = omath::opengl::UpVector({});
EXPECT_EQ(up, omath::opengl::kAbsUp);
}
TEST(UnitTestOpenGL, ProjectTargetMovedFromCamera)
{
constexpr auto fov = omath::projection::FieldOfView::FromDegrees(90.f);
auto cam = omath::opengl::Camera({0, 0, 0}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
glm::vec4 ndc_glm2 = proj_glm * glm::vec4(300.f, 0.f, -1000.f, 1.f);
ndc_glm2 /= ndc_glm2.w;
const omath::Mat<4, 1, float, omath::MatStoreType::COLUMN_MAJOR> cords_omath =
for (float distance = -10.f; distance > -1000.f; distance -= 0.01f)
{
{0},
{0},
{-0.2f},
{1}
};
const auto projected = cam.WorldToScreen({0, 0, distance});
//auto ndc_omath = proj_omath * cords_omath;
// ndc_omath /= ndc_omath.At(3, 0);
*/
EXPECT_TRUE(projected.has_value());
if (!projected.has_value())
continue;
EXPECT_NEAR(projected->x, 960, 0.00001f);
EXPECT_NEAR(projected->y, 540, 0.00001f);
}
}
TEST(UnitTestOpenGL, CameraSetAndGetFov)
{
constexpr auto fov = omath::projection::FieldOfView::FromDegrees(90.f);
auto cam = omath::opengl::Camera({0, 0, 0}, {}, {1920.f, 1080.f}, fov, 0.01f, 1000.f);
EXPECT_EQ(cam.GetFieldOfView().AsDegrees(), 90.f);
cam.SetFieldOfView(omath::projection::FieldOfView::FromDegrees(50.f));
EXPECT_EQ(cam.GetFieldOfView().AsDegrees(), 50.f);
}
TEST(UnitTestOpenGL, CameraSetAndGetOrigin)
{
auto cam = omath::opengl::Camera({0, 0, 0}, {}, {1920.f, 1080.f}, {}, 0.01f, 1000.f);
EXPECT_EQ(cam.GetOrigin(), omath::Vector3{});
cam.SetFieldOfView(omath::projection::FieldOfView::FromDegrees(50.f));
EXPECT_EQ(cam.GetFieldOfView().AsDegrees(), 50.f);
}