This Lex Fridman podcast features Tim Sweeney, CEO and founder of Epic Games. The conversation covers Sweeney's journey into programming, the development of Unreal Engine and Fortnite, the challenges of creating realistic human representations in computer graphics, the future of gaming and the metaverse, and Epic Games' approach to combating monopolies in the app store market.
The Creation of Unreal Engine: The development of Unreal Engine stemmed from a desire to create something unique and different in the gaming market, initially focusing on shareware distribution to reach a wider audience. The engine's success is attributed to its iterative development, constant optimization, and the interplay between the tools and the creative talents of the artists.
The Challenges of Realistic Human Representation: Creating realistic humans in computer graphics is exceptionally difficult due to the human brain's evolved capacity to detect minute details and imperfections in faces and expressions. This involves advanced hardware and software techniques to capture and render subtle nuances of human features, muscle movements, and expressions, to avoid falling into the "uncanny valley".
The Metaverse and Fortnite's Role: Sweeney views the metaverse as a convergence of multiplayer social gaming experiences, where users connect and engage in shared 3D worlds. Fortnite, especially with its cross-platform compatibility and creative mode, is presented as a prominent example of a metaverse-like experience. The challenges of scaling such experiences to massive numbers of concurrent users are discussed.
Epic Games' Fight Against Monopolies: Sweeney criticizes Apple and Google's app store practices, arguing that their 30% revenue cuts are anti-competitive and harmful to developers and consumers. Epic Games' legal battles against these companies are framed as a fight for a more open and competitive software ecosystem.
Verse Programming Language: Epic Games is developing a new programming language, Verse, designed for large-scale simulations and metaverse development. Key features include a functional logic approach, improved concurrency handling, and enhanced static verification to improve code reliability and reduce bugs.