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feat(ui): add CSimpleCamera::SetGxProjectionAndView

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fallenoak 2026-02-17 07:02:15 -06:00
parent 7d491570e4
commit 4628b7d831
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2 changed files with 22 additions and 0 deletions
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20
src/ui/simple/CSimpleCamera.cpp
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@ -1,4 +1,5 @@
#include "ui/simple/CSimpleCamera.hpp"
#include "gx/Transform.hpp"
#include "model/Model2.hpp"
#include <tempest/Math.hpp>
@ -107,6 +108,25 @@ void CSimpleCamera::SetNearZ(float nearZ) {
this->m_nearZ = nearZ;
}
void CSimpleCamera::SetGxProjectionAndView(const CRect& projRect) {
// Projection
this->m_aspect = (projRect.maxX - projRect.minX) / (projRect.maxY - projRect.minY);
C44Matrix projMat;
GxuXformCreateProjection_Exact(this->m_fov * 0.6f, this->m_aspect, this->m_nearZ, this->m_farZ, projMat);
GxXformSetProjection(projMat);
// View
C3Vector eye;
C44Matrix viewMat;
GxuXformCreateLookAtSgCompat(eye, this->Forward(), this->Up(), viewMat);
GxXformSetView(viewMat);
}
C3Vector CSimpleCamera::Up() const {
return { this->m_facing.c0, this->m_facing.c1, this->m_facing.c2 };
}

2
src/ui/simple/CSimpleCamera.hpp
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@ -2,6 +2,7 @@
#define UI_SIMPLE_C_SIMPLE_CAMERA_HPP
#include <tempest/Matrix.hpp>
#include <tempest/Rect.hpp>
#include <tempest/Vector.hpp>
class CM2Scene;
@ -22,6 +23,7 @@ class CSimpleCamera {
void SetFacing(float yaw, float pitch, float roll);
void SetFarZ(float farZ);
void SetFieldOfView(float fov);
void SetGxProjectionAndView(const CRect& projRect);
void SetNearZ(float nearZ);
protected: