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added error codes

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Orange
2024-09-03 21:41:22 +03:00
parent 2947bbd95a
commit abfa3e8123
3 changed files with 22 additions and 5 deletions
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6
source/projection/Camera.cpp
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@@ -30,7 +30,7 @@ namespace omath::projection
return Matrix::TranslationMatrix(-m_origin) * Matrix::OrientationMatrix(forward, right, up);
}
std::expected<Vector3, std::string_view> Camera::WorldToScreen(const Vector3 &worldPosition) const
std::expected<Vector3, Error> Camera::WorldToScreen(const Vector3 &worldPosition) const
{
const auto posVecAsMatrix = Matrix({{worldPosition.x, worldPosition.y, worldPosition.z, 1.f}});
@@ -41,13 +41,13 @@ namespace omath::projection
auto projected = posVecAsMatrix * (GetViewMatrix() * projectionMatrix);
if (projected.At(0, 3) <= 0.f)
return std::unexpected("Projection point is out of camera field of view");
return std::unexpected(Error::WORLD_POSITION_IS_BEHIND_CAMERA);
projected /= projected.At(0, 3);
if (projected.At(0, 0) < -1.f || projected.At(0, 0) > 1.f ||
projected.At(0, 1) < -1.f || projected.At(0, 1) > 1.f)
return std::unexpected("Projection point is out screen bounds");
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
projected *= Matrix::ToScreenMatrix(m_viewPort.m_width, m_viewPort.m_height);