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Merge pull request #152 from orange-cpp/feature/camera_improvement

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added more methods
This commit is contained in:
Orange++
2026-02-17 07:57:35 +03:00
committed by GitHub
parent 1e215f3ff5 360734f252
commit 85b672fdf3
1 changed files with 44 additions and 9 deletions
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53
include/omath/projection/camera.hpp
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@@ -80,59 +80,93 @@ namespace omath::projection
{
m_view_angles = TraitClass::calc_look_at_angle(m_origin, target);
m_view_projection_matrix = std::nullopt;
m_view_matrix = std::nullopt;
}
protected:
[[nodiscard]] Mat4X4Type calc_view_projection_matrix() const noexcept
[[nodiscard]]
Vector3<float> get_forward() const noexcept
{
return TraitClass::calc_projection_matrix(m_field_of_view, m_view_port, m_near_plane_distance,
m_far_plane_distance)
* TraitClass::calc_view_matrix(m_view_angles, m_origin);
const auto& view_matrix = get_view_matrix();
return {view_matrix[2, 0], view_matrix[2, 1], view_matrix[2, 2]};
}
[[nodiscard]]
Vector3<float> get_right() const noexcept
{
const auto& view_matrix = get_view_matrix();
return {view_matrix[0, 0], view_matrix[0, 1], view_matrix[0, 2]};
}
[[nodiscard]]
Vector3<float> get_up() const noexcept
{
const auto& view_matrix = get_view_matrix();
return {view_matrix[1, 0], view_matrix[1, 1], view_matrix[1, 2]};
}
public:
[[nodiscard]] const Mat4X4Type& get_view_projection_matrix() const noexcept
{
if (!m_view_projection_matrix.has_value())
m_view_projection_matrix = calc_view_projection_matrix();
m_view_projection_matrix = get_projection_matrix() * get_view_matrix();
return m_view_projection_matrix.value();
}
[[nodiscard]] const Mat4X4Type& get_view_matrix() const noexcept
{
if (!m_view_matrix.has_value())
m_view_matrix = TraitClass::calc_view_matrix(m_view_angles, m_origin);
return m_view_matrix.value();
}
[[nodiscard]] const Mat4X4Type& get_projection_matrix() const noexcept
{
if (!m_projection_matrix.has_value())
m_projection_matrix = TraitClass::calc_projection_matrix(m_field_of_view, m_view_port,
m_near_plane_distance, m_far_plane_distance);
return m_projection_matrix.value();
}
void set_field_of_view(const FieldOfView& fov) noexcept
{
m_field_of_view = fov;
m_view_projection_matrix = std::nullopt;
m_projection_matrix = std::nullopt;
}
void set_near_plane(const float near) noexcept
{
m_near_plane_distance = near;
m_view_projection_matrix = std::nullopt;
m_projection_matrix = std::nullopt;
}
void set_far_plane(const float far) noexcept
{
m_far_plane_distance = far;
m_view_projection_matrix = std::nullopt;
m_projection_matrix = std::nullopt;
}
void set_view_angles(const ViewAnglesType& view_angles) noexcept
{
m_view_angles = view_angles;
m_view_projection_matrix = std::nullopt;
m_view_matrix = std::nullopt;
}
void set_origin(const Vector3<float>& origin) noexcept
{
m_origin = origin;
m_view_projection_matrix = std::nullopt;
m_view_matrix = std::nullopt;
}
void set_view_port(const ViewPort& view_port) noexcept
{
m_view_port = view_port;
m_view_projection_matrix = std::nullopt;
m_projection_matrix = std::nullopt;
}
[[nodiscard]] const FieldOfView& get_field_of_view() const noexcept
@@ -283,7 +317,8 @@ namespace omath::projection
Angle<float, 0.f, 180.f, AngleFlags::Clamped> m_field_of_view;
mutable std::optional<Mat4X4Type> m_view_projection_matrix;
mutable std::optional<Mat4X4Type> m_projection_matrix;
mutable std::optional<Mat4X4Type> m_view_matrix;
float m_far_plane_distance;
float m_near_plane_distance;