How can I create a border/outline on a ModelEntity in RealityKit?

Something like this blue border in Reality Composer:

CodePudding user response：

You can achieve this effect in two ways: either using Metal features, or natively in RealityKit (but sometimes with some artifacts). In RealityKit, such an outline could be rendered with

P. S.

In your case, the name of a rook is:

.findEntity(named: "chess_rook_white_base_iconic_lod0")