JCS-Prod/ProtoTank
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Replace camera far Z with fake infinite one

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This commit is contained in:
JackCarterSmith 2024-12-29 20:36:01 +01:00
parent 5b5c04e368
commit 4521ce27d5
Signed by: JackCarterSmith
GPG Key ID: 832E52F4E23F8F24
3 changed files with 2 additions and 5 deletions
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4
Engine/Graphics/3DRenderer.cpp
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@ -283,8 +283,8 @@ float Graphic3DRenderer::ComputeSGRatio() {
// The triangle made by the ground plane intersection with the frustum. This intersection // The triangle made by the ground plane intersection with the frustum. This intersection
// cross the far plane at some point. Instead of computing the coordinate of the point, we // cross the far plane at some point. Instead of computing the coordinate of the point, we
// directly use the far plane length to get the corresponding ratio for the screen. // directly use the far plane length to get the corresponding ratio for the screen.
sgRatio = -(altitude * fovCos - mMainCamera->GetFarZ() * fovThetaSin) sgRatio = -(altitude * fovCos - 1000.f * fovThetaSin)
/ (2.f * mMainCamera->GetFarZ() * fovSin * thetaCos); / (2.f * 1000.f * fovSin * thetaCos);
} }
// Clamp // Clamp

1
Engine/Graphics/Camera.cpp
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@ -8,7 +8,6 @@ Camera::Camera() {
void Camera::SetFrustrum(float fov, float r, float zn, float zf) { void Camera::SetFrustrum(float fov, float r, float zn, float zf) {
//if (!frameDirty) //if (!frameDirty)
this->fov = fov; this->fov = fov;
this->zf = zf;
M3D_MATRIX pMat = M3D_TransformMatrixFrustrumFovLH(M3D_Deg2Rad(fov), r, zn, zf); M3D_MATRIX pMat = M3D_TransformMatrixFrustrumFovLH(M3D_Deg2Rad(fov), r, zn, zf);
M3D_V4StoreF4x4(&mProjMat, pMat); M3D_V4StoreF4x4(&mProjMat, pMat);
frustrumUpdated = true; frustrumUpdated = true;

2
Engine/Graphics/Camera.hpp
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@ -14,7 +14,6 @@ public:
Camera& operator= (Camera const&) = delete; Camera& operator= (Camera const&) = delete;
float GetFoV() const { return fov; } float GetFoV() const { return fov; }
float GetFarZ() const { return zf; }
const bool IsFrustrumUpdated() const { return frustrumUpdated; } const bool IsFrustrumUpdated() const { return frustrumUpdated; }
const bool IsCameraMoved() const { return camMoved; } const bool IsCameraMoved() const { return camMoved; }
M3D_VECTOR GetPos() const { return M3D_V4LoadF3(&mPos); } M3D_VECTOR GetPos() const { return M3D_V4LoadF3(&mPos); }
@ -45,7 +44,6 @@ public:
private: private:
float fov; // It's the Y-FoV! float fov; // It's the Y-FoV!
float zf;
bool frustrumUpdated = true; bool frustrumUpdated = true;
bool camMoved = true; bool camMoved = true;