A field which stores signed distances to the surface. If inside of the surface it is negative. If outside it is positive. If on the surface it is 0.
A field is essentially a matrix of values (pixels) or voxels for 3D surfaces.
- Collision detection in cloth animation
- Multi-body dynamics
- Deformable objects
- Mesh generation
- Motion planning
- Text rendering
- Used to determine if a pixel should be turned on or off.