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even more robust algorithm for Transform manipulator bbox faces pickup

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This commit is contained in:
Garux 2018-03-21 04:12:06 +03:00
parent fce4ba0d67
commit ed50787ee8
1 changed files with 12 additions and 14 deletions
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26
radiant/selection.cpp
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@ -2319,19 +2319,6 @@ public:
/* try bbox planes to scale*/
if( selector.failed() ){
const Matrix4 screen2world( matrix4_full_inverse( view.GetViewMatrix() ) );
const Vector3 near = vector4_projected(
matrix4_transformed_vector4(
screen2world,
Vector4( 0, 0, -1, 1 )
)
);
const Vector3 far = vector4_projected(
matrix4_transformed_vector4(
screen2world,
Vector4( 0, 0, 1, 1 )
)
);
const Line line( near, far );
Vector3 corners[8];
aabb_corners( m_bounds_draw, corners );
@ -2353,7 +2340,18 @@ public:
for ( int j = 0; j < 2; ++j ){
const Vector3 normal = j? g_vector3_axes[i] : -g_vector3_axes[i];
const Vector3 centroid = m_bounds.origin + m_bounds.extents * normal;
const Vector3 closest_point = line_closest_point( line, centroid );
const Vector3 projected = vector4_projected(
matrix4_transformed_vector4(
view.GetViewMatrix(),
Vector4( centroid, 1 )
)
);
const Vector3 closest_point = vector4_projected(
matrix4_transformed_vector4(
screen2world,
Vector4( 0, 0, projected[2], 1 )
)
);
const int index = i * 8 + j * 4;
if( vector3_dot( normal, closest_point - corners[indices[index]] ) > 0