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tweak plane3_translated()

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Garux
2025-11-16 04:12:30 +05:00
parent 943845e8c0
commit efca27ac91
3 changed files with 12 additions and 19 deletions
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libs/math/plane.h
+3 -9
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@@ -75,15 +75,9 @@ inline Plane3 plane3_normalised( const Plane3& plane ){
);
}
inline Plane3 plane3_translated( const Plane3& plane, const Vector3& translation ){
Plane3 transformed;
transformed.a = plane.a;
transformed.b = plane.b;
transformed.c = plane.c;
transformed.d = -( ( -plane.d * transformed.a + translation.x() ) * transformed.a +
( -plane.d * transformed.b + translation.y() ) * transformed.b +
( -plane.d * transformed.c + translation.z() ) * transformed.c );
return transformed;
template<typename T>
Plane3 plane3_translated( const Plane3& plane, const BasicVector3<T>& translation ){
return Plane3( plane.normal(), vector3_dot( plane.normal(), plane.normal() * plane.dist() + translation ) );
}
inline Plane3 plane3_transformed( const Plane3& plane, const Matrix4& transform ){
radiant/brush.h
+5 -6
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@@ -606,8 +606,7 @@ inline void planepts_print( const PlanePoints& planePoints, TextOutputStream& os
inline Plane3 Plane3_applyTranslation( const Plane3& plane, const Vector3& translation ){
Plane3 tmp( plane3_translated( Plane3( plane.normal(), -plane.dist() ), translation ) );
return Plane3( tmp.normal(), -tmp.dist() );
return plane3_translated( plane, translation );
}
inline Plane3 Plane3_applyTransform( const Plane3& plane, const Matrix4& matrix ){
@@ -732,11 +731,11 @@ public:
}
void offset( float offset ){
if ( !isDoom3Plane() ) {
Vector3 move( vector3_scaled( m_planeCached.normal(), -offset ) );
const DoubleVector3 move( m_planeCached.normal() * offset );
vector3_subtract( m_planepts[0], move );
vector3_subtract( m_planepts[1], move );
vector3_subtract( m_planepts[2], move );
m_planepts[0] += move;
m_planepts[1] += move;
m_planepts[2] += move;
MakePlane();
}
radiant/camwindow.cpp
+4 -4
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@@ -2169,10 +2169,10 @@ Vector3 Camera_getFocusPos( camera_t& camera ){
#endif
const Plane3 frustumPlanes[4] = {
plane3_translated( view.getFrustum().left, camorigin - aabb.origin ),
plane3_translated( view.getFrustum().right, camorigin - aabb.origin ),
plane3_translated( view.getFrustum().top, camorigin - aabb.origin ),
plane3_translated( view.getFrustum().bottom, camorigin - aabb.origin ),
plane3_translated( view.getFrustum().left, aabb.origin - camorigin ),
plane3_translated( view.getFrustum().right, aabb.origin - camorigin ),
plane3_translated( view.getFrustum().top, aabb.origin - camorigin ),
plane3_translated( view.getFrustum().bottom, aabb.origin - camorigin ),
};
float offset = 64.0f;