Const
Placeholder point: { x: NaN, y: NaN } Use isPlaceholder to check if a point is a placeholder. Use Placeholder3d get a point with z property.
{ x: NaN, y: NaN }
isPlaceholder
Placeholder3d
z
Placeholder point:
{ x: NaN, y: NaN }UseisPlaceholderto check if a point is a placeholder. UsePlaceholder3dget a point withzproperty.