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Interesting... but not all that amazing, really. There's a rather glaring error, repeated many times, which many engines suffer from. Twitchy, spontaneous motion:

1) at ~23 seconds, look at the top-1/3, left-1/4 location. Chunks of particles literally spontaneously accelerate towards each other. Towards the top-most corner of the top platform, there's even a little snake-like thing that starts inch-worming around for no apparent reason, and a blob that leaps into the air at far higher velocity than it is made of.

2) with the 8-second cloth clip, note the twitching as the cloths try to find a stable resting point. Remind you of stacked objects in the Source engine[1], perhaps? Jump on top of them and it's like walking on an earthquake.

3) note how long the left block at ~2:40 takes to settle (almost, it doesn't actually), and the weird thrown-on-top chunk that twitches up and down a couple times, and then gets a burst of energy right when it starts fading out, moving up, and faster than the pieces it's touching, and without any visible ripple which could account for it.

If it's done by one person (Thiago Costa?), yes, very impressive job, that's a lot of work. But overall... more of the same.

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[1]: chosen only because it's a relatively modern engine, and one many are familiar with.




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