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Adds 2D screen to world conversion

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Adds an overload for screen_to_world that accepts a 2D screen position.

Renames screen_to_dnc to screen_to_ndc for clarity.
This commit is contained in:
Orange
2025-09-14 04:48:56 +03:00
parent 256365e52e
commit 29a96d64bb
1 changed files with 9 additions and 2 deletions
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11
include/omath/projection/camera.hpp
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@@ -195,7 +195,14 @@ namespace omath::projection
[[nodiscard]]
std::expected<Vector3<float>, Error> screen_to_world(const Vector3<float>& screen_pos) const noexcept
{
return view_port_to_screen(screen_to_dnc(screen_pos));
return view_port_to_screen(screen_to_ndc(screen_pos));
}
[[nodiscard]]
std::expected<Vector3<float>, Error> screen_to_world(const Vector2<float>& screen_pos) const noexcept
{
const auto& [x, y] = screen_pos;
return screen_to_world({x, y, 1.f});
}
protected:
@@ -234,7 +241,7 @@ namespace omath::projection
return {(ndc.x + 1.f) / 2.f * m_view_port.m_width, (1.f - ndc.y) / 2.f * m_view_port.m_height, ndc.z};
}
[[nodiscard]] Vector3<float> screen_to_dnc(const Vector3<float>& screen_pos) const noexcept
[[nodiscard]] Vector3<float> screen_to_ndc(const Vector3<float>& screen_pos) const noexcept
{
return {screen_pos.x / m_view_port.m_width * 2.f - 1.f, 1.f - screen_pos.y / m_view_port.m_height * 2.f,
screen_pos.z};