However, the disadvantages of the unlocked frame-rate are pretty clear when looking at the frame-time graph. Here, we study the amount of time each individual frame is on-screen. A locked 30fps or 60fps gives a level of consistency that is considerably easier on the eye, and helps to ensure a level response in terms of controller input lag. inFamous: Second Son spends much of its time between 30-40fps during gameplay - those additional frames over 30fps manifesting more as judder as opposed to a significantly smoother experience. It's hardly a massive issue, but a Killzone-style frame-rate limiting option would be welcome.
Certainly, the game is a visual feast. Similar to Guerrilla Games' latest work, inFamous operates with a materials-based deferred renderer, which not only allows for a multitude of dynamic light-sources, but also lights the scene according to the physical properties of the objects present - for example, reflectivity and the roughness. An energy-conserving model like the one used here treats light as energy, calculating how light spreads across the surface over the material according to its physical properties. The results can be absolutely beautiful to behold - reflections in particular (what looks like an expert blend of pre-baked and full real-time) can look sublime.
Other highlights in the rendering include the realistic, wispy smoke and the multitudes of particles that represent the physical manifestation of Delsin's newly acquired powers. According to this leak, he breaks down into 11,000 'ashbit' particles during a single smoke-dash through the air, with the character itself composed over 60,000 polygons.
Also worthy of note is the implementation of state-of-the-art anti-aliasing, believed to be a variant of SMAA T2X, as found in Crysis 3. This is one of the best post-process anti-aliasing techniques we've seen, combining a new take on MLAA with a temporal element. Edge-smoothing is phenomenal, and while there is some ghosting, it is not any kind of real distraction during gameplay.
We've only just scratched the surface of inFamous: Second Son right now. Indeed, the video above constitutes the entire amount of time we've spent with the game thus far - but what's clear is that as a technological statement, this is exceptionally strong stuff, especially bearing in mind that this is a first-gen PlayStation 4 title.
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