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Orange
2025-03-17 09:14:42 +03:00
parent 2fa0c500a7
commit cd452b0397
5 changed files with 72 additions and 4 deletions
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4
include/omath/engines/iw_engine/Formulas.hpp
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@@ -41,7 +41,9 @@ namespace omath::iw_engine
inline Mat4x4 CalcPerspectiveProjectionMatrix(const float fieldOfView, const float aspectRatio, const float near,
const float far)
{
const float fovHalfTan = std::tan(angles::DegreesToRadians(fieldOfView) / 2.f) * 0.75f;
// NOTE: Need magic number to fix fov calculation, since source inherit Quake proj matrix calculation
constexpr auto kMultiplyFactor = 0.75f;
const float fovHalfTan = std::tan(angles::DegreesToRadians(fieldOfView) / 2.f) * kMultiplyFactor;
return
{

3
include/omath/engines/source_engine/Formulas.hpp
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@@ -40,8 +40,7 @@ namespace omath::source_engine
inline Mat4x4 CalcPerspectiveProjectionMatrix(const float fieldOfView, const float aspectRatio, const float near,
const float far)
{
// NOTE: Needed tp make thing draw normal, since source is wierd
// and use tricky projection matrix formula.
// NOTE: Need magic number to fix fov calculation, since source inherit Quake proj matrix calculation
constexpr auto kMultiplyFactor = 0.75f;
const float fovHalfTan = std::tan(angles::DegreesToRadians(fieldOfView) / 2.f) * kMultiplyFactor;