Once AR has captured the world and we’ve shaped its geometry into something elegant and efficient, one final transformation remains. We must make it behave . A game engine demands far more than shape. It needs physics, logic, materials, and meaning. So, we give weight to floors, boundaries to walls, and purpose to empty space. We turn simplified meshes into navigation. We convert captured light into ambience. We decide which details matter…and which Baldr Engine must forget t