TFastWindingTree::FastWindingNumber

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API > API/Runtime > API/Runtime/GeometryCore > API/Runtime/GeometryCore/CompGeom > API/Runtime/GeometryCore/CompGeom/TFastWindingTree > API/Runtime/GeometryCore/CompGeom/TFastWindingTree/FastWindingNumber

References

double FastWindingNumber  
(  
    const FVector3d & P  
)  
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double FastWindingNumber (     const FVector3d & P )

Remarks

Fast approximation of winding number using far-field approximations. On a closed mesh the winding number will be 1 or more inside (depending on number of "winds"). Outside a closed mesh the winding number will be zero. On an open mesh, the above holds near the mesh but in the "hole" areas the value will smoothly blend from 1 to 0 over a band of width dependent on the hole extent