Journal
ACM TRANSACTIONS ON GRAPHICS
Volume 37, Issue 6, Pages -Publisher
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3272127.3275005
Keywords
collision handling; impact zone; cloth simulation; GPU
Categories
Funding
- National Natural Science Foundation of China [61732015, 61572423, 61572424, 61832016]
- National Key RAMP
- D Program of China [2017YFB1002703]
- Science and Technology Project of Zhejiang Province [2018C01080]
- Zhejiang Provincial NSFC [LZ16F020003]
- NSF [1547106]
- Intel
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1547106] Funding Source: National Science Foundation
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We present an incremental collision handling algorithm for GPU-based interactive cloth simulation. Our approach exploits the spatial and temporal coherence between successive iterations of an optinization-based solver for collision response computation. We present an incremental continuous collision detection algorithm that keeps track of deforming vertices and combine it with spatial hashing. We use a non-linear GPU-based impact zone solver to resolve the penetrations. We combine our collision handling algorithm with implicit integration to use large time steps. Our overall algorithm, I-Cloth, can simulate complex cloth deformation with a few hundred thousand vertices at 2 - 8 frames per second on a commodity GPU. We highlight its performance on different benchmarks and observe up to 7 - 10X speedup over prior algorithms.
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