Slendi/lunar
1
0
Fork 0
mirror of https://github.com/slendidev/lunar.git synced 2026-01-30 16:28:58 +02:00
Code Issues Packages Projects Releases Wiki Activity

Figure out stupid math shit

Browse Source 
Signed-off-by: Slendi <slendi@socopon.com>
This commit is contained in:
Slendi
2026-01-10 16:15:36 +02:00
parent f896ddae74
commit e0ca1f1043
475 changed files with 499637 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
src/Application.cpp
View File

@@ -487,12 +487,12 @@ auto Application::run() -> void
bool rotated_this_frame { false };
if (mouse_captured()) {
constexpr float mouse_sensitivity { 0.0005f };
constexpr float phi_epsilon { 0.002f };
constexpr float phi_epsilon { smath::deg(5.0f) };
m_cursor.theta
-= static_cast<float>(m_mouse_dx) * mouse_sensitivity;
m_cursor.phi -= static_cast<float>(m_mouse_dy) * mouse_sensitivity;
+= static_cast<float>(m_mouse_dx) * m_mouse_sensitivity;
m_cursor.phi
+= static_cast<float>(m_mouse_dy) * m_mouse_sensitivity;
m_cursor.phi = std::clamp(m_cursor.phi, phi_epsilon,
std::numbers::pi_v<float> - phi_epsilon);
rotated_this_frame = (m_mouse_dx != 0.0 || m_mouse_dy != 0.0);
@@ -505,10 +505,7 @@ auto Application::run() -> void
if (look_dir.magnitude() == 0.0f)
look_dir = smath::Vec3 { 0.0f, 0.0f, -1.0f };
smath::Vec3 const world_up { 0.0f, 1.0f, 0.0f };
auto up_basis = world_up;
if (std::abs(look_dir.dot(up_basis)) > 0.99f)
up_basis = smath::Vec3 { 0.0f, 0.0f, 1.0f };
auto right { look_dir.cross(up_basis).normalized_safe() };
auto right { look_dir.cross(world_up).normalized_safe() };
if (right.magnitude() == 0.0f)
right = smath::Vec3 { 1.0f, 0.0f, 0.0f };
auto camera_up { right.cross(look_dir).normalized_safe() };
@@ -537,12 +534,10 @@ auto Application::run() -> void
if (!m_show_imgui) {
m_camera.up = camera_up;
if (rotated_this_frame) {
auto const distance = target_distance > 0.0f
? target_distance
: std::max(1.0f, m_cursor.r);
m_camera.target = m_camera.position + look_dir * distance;
}
auto const distance = target_distance > 0.0f
? target_distance
: std::max(1.0f, m_cursor.r);
m_camera.target = m_camera.position + look_dir * distance;
}
m_mouse_dx = 0.0;
@@ -610,6 +605,8 @@ auto Application::run() -> void
ImGuiTreeNodeFlags_Framed
| ImGuiTreeNodeFlags_SpanAvailWidth
| ImGuiTreeNodeFlags_DefaultOpen)) {
ImGui::SliderFloat("Mouse sensitivity",
&m_mouse_sensitivity, 0.0001f, 0.01f, "%.4f");
ImGui::DragFloat4("Pos", m_camera.position.data());
ImGui::DragFloat4("Target", m_camera.target.data());
ImGui::DragFloat4("Up", m_camera.up.data());
@@ -678,6 +675,7 @@ auto Application::run() -> void
gl.draw_rectangle(
{ 0, 0.5f }, { 0.5f, 0.5f }, { Colors::TEAL, 1.0f });
gl.set_transform(view_projection);
gl.draw_sphere(m_camera.target, 0.01f);
});
#if defined(TRACY_ENABLE)

1
src/Application.h
View File

@@ -53,6 +53,7 @@ private:
double m_mouse_y { 0.0 };
double m_mouse_dx { 0.0 };
double m_mouse_dy { 0.0 };
float m_mouse_sensitivity { 0.001f };
std::array<bool, KEY_MAX + 1> m_key_state {};