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There are multiple ways to find pairs of colliding objects. Even though there is an easy solution like brute-force algorithm, it is not fast enough. To help on this issue, spatial acceleration structures are used. This article attempts to calculate the impact of a spatial acceleration structure, specifically an adaptive grid implementation, on performance of finding pairs colliding particles.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.