If you've ever wanted to get to grips with the engine which is at the heart of some of each year's biggest releases, the Unreal Engine, you may have been put off by the daunting size of the thing.

Epic Games has integrated the SpeedTree run-time into the latest version of its high-end Unreal Engine 4. Version 4.3 of the engine will allow subscribers to add SpeedTree models into their projects ...