nx_entity_gate.nx

nx_entity_gate.nx -- start of GAMEPLAY: entities with per-frame state on the sovereign 3D world. 5 creatures wander (position updated each frame, bounce at edges), placed on the terrain, rendered as boxes via the world's object primitive. 4 frames -> 2x2 contact sheet -> sovereign PNG (nx_png). The WORLD is static and the ENTITIES move => proves entity state evolves per frame (not just camera). exit 0 = rendered. license_tier: ORIGINAL