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huge improvement

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Orange
2024-12-01 03:51:40 +03:00
parent f8e7faa570
commit 46b4eb9151
17 changed files with 297 additions and 254 deletions
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45
source/projection/Camera.cpp
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@@ -6,49 +6,4 @@
namespace omath::projection
{
Camera::Camera(const Vector3 &position, const Vector3 &viewAngles, const ViewPort &viewPort,
const float fov, const float near, const float far, const float lensZoom)
{
m_origin = position;
m_viewAngles = viewAngles;
m_viewPort = viewPort;
m_fieldOfView = fov;
m_nearPlaneDistance = near;
m_farPlaneDistance = far;
m_lensZoom = lensZoom;
}
Mat<4, 4> Camera::GetViewMatrix() const
{
const auto forward = Vector3::ForwardVector(m_viewAngles.x, m_viewAngles.y);
const auto right = Vector3::RightVector(m_viewAngles.x, m_viewAngles.y, m_viewAngles.z);
const auto up = Vector3::UpVector(m_viewAngles.x, m_viewAngles.y, m_viewAngles.z);
return Mat<>::TranslationMat(-m_origin) * Mat<>::OrientationMat(forward, right, up);
}
std::expected<Vector3, Error> Camera::WorldToScreen(const Vector3& worldPosition) const
{
const auto posVecAsMatrix = Mat<>::MatColumnFromVector(worldPosition);
const auto projectionMatrix = Mat<>::ProjectionMat(m_fieldOfView, m_viewPort.AspectRatio(),
m_nearPlaneDistance, m_farPlaneDistance, m_lensZoom);
Mat<1, 4> projected = posVecAsMatrix * (GetViewMatrix() * projectionMatrix);
if (projected.At(0, 3) == 0.f)
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
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 ||
projected.At(0, 2) < -1.f || projected.At(0, 2) > 1.f)
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
projected *= Mat<4, 4>::ToScreenMat(m_viewPort.m_width, m_viewPort.m_height);
return Vector3{projected.At(0, 0), projected.At(0, 1), projected.At(0, 2)};
}
}