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Source 2 is a 3D video game engine in development by Valve as a successor to Source. It is used in Dota 2, Artifact, parts of The Lab, SteamVR Home, and Half-Life: Alyx. Elements of Source 2 are present in Counter-Strike: Global Offensive, such as Panorama UI. Source 2 was announced by Valve in March of 2015 at the Game Developers Conference and was first implemented into Dota 2 on June 17th 2015.
The engine is capable of rendering highly complex and well detailed scenes with minimal framerate drops, thanks to its new 64-bit support alongside Vulkan, allowing for better multi-core rendering and more efficient 3D rendering.
Valve has announced that Source 2 will be released to the public for free, and will only take money should it be used for commercial products.
Similarly to previous Valve game engines, it is still a very heavily modified version of the Quake Engine at its roots.
Allegedly Valve is currently working on three games with the Source 2 engine. (one of them is Half-Life: Alyx)
- Supports both 64bit and 32bit systems.
- Lower latency and more responsive input.
- Increased performance limit to take advantage of higher end hardware.
- Improved audio and voice processing.
- Makes use of the Vulkan 3D Graphics and Computing API.
- Native OpenGL support on all platforms.
- New in-house physics engine, Rubikon.
- New authoring tools, rebuilt from the ground up.
- Physically based shading support.
- Support for the Steam Audio sound system.
- Enhanced Panorama GUI, designed to be more user friendly.
Products using Source 2
- Dota 2 - Ported to Source 2 in 2015
- Robot Repair - Included in The Lab
- SteamVR Home
- Artifact - The Dota Card Game
- SteamVR Performance Test
- Dota Underlords
- Half-Life: Alyx