3D character animation, Source Filmmaker software, real-time rendering, video game engine, Valve Corporation, cinematic creation tool, user-generated movies, game storytelling, motion capture, facial expressions, lip-sync, dynamic lighting, virtual cinematography, post-processing effects, community-driven content, Steam Workshop, fan-made shorts, video game narratives, Team Fortress 2, Dota 2, Half-Life series, machinima production, custom models, fan art, animation workshop, storytelling platform, digital puppeteering, video content creation, interactive media, game modding scene.