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|Session Name:||Blowing from the West: Simulating Wind in 'Ghost of Tsushima'|
|Company Name(s):||Sucker Punch Productions|
|Track / Format:||Programming|
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|Overview:||In Ghost of Tsushima, the Guiding Wind is a central gameplay mechanic. To support the illusion that there is actual wind blowing, many separate systems work in concert to simulate wind-driven motion, so that everything in the world reacts appropriately as the wind changes direction. These simulations are not always perfectly accurate, but they are quite fast, handling thousands of pieces of cloth, hundreds of thousands of particles, and millions of blades of grass. I will present a variety of tips and tricks we use to make these simulations fast and believable, while utilizing the Playstation GPU to its maximum.|