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Next, I apply the wash tool, which uses a particle system to selectively clean away some of the dirt from the model.
CLINGING is a user-defined particle motion function which mimics water flow and surface tension. Particles follow the surface mesh in the direction of gravity and will even travel along the underside of the surface. A visualization of the particles is shown in the upper right image. The user can change the number of particles applied or provide a new particle motion function to create other physically inspired staining patterns. | ||