OptionalcanvasCanvas coordinates, used when PickParams.rayPick is false.
OptionalpickSet this false to not pick invisible ViewObjects. Default is true.
OptionalpickSet this true to pick a 3D position on a surface.
OptionalpickSet this true when ray-picking to pick the normal vector on the surface of the picked object.
OptionalpickSet this true to pick a ViewObjects.
OptionalrayRay-picking direction, used when PickParams.rayPick is true.
OptionalrayRay-picking direction matrix, used when PickParams.rayPick is true.
OptionalrayRay-picking origin, used when PickParams.rayPick is true.
OptionalraySet this true to perform a ray-pick; leave false to pick at canvas coordinates.
OptionalsnapThe snap radius around PickParams.canvasPos, in canvas pixels.
OptionalsnapWhether to snap to the nearest edge to PickParams.canvasPos.
OptionalsnapWhether to snap to the nearest vertex to PickParams.canvasPos.
TODO