§8's space modes, transcribed member-for-member.
"world"
"screen"
"viewport"
"camera"
"billboard"
"local-plane"
"2d"
§8's space modes, transcribed member-for-member.
"world"— the scene's own frame; the default, and the only frame the simulation runs in today."screen"— pixels of the output surface."viewport"— normalized coordinates of the active viewport."camera"— the active camera's eye frame."billboard"— positioned in world space, oriented to face the camera."local-plane"— a 2D frame carried by a plane in a 3D world; §21 maps it onto the XY frame of a"2d"physics world.