The emission shape.
This is used by the ShapeModule to determine how to sort the particles.
| Sphere | Emit from a sphere. |
| Hemisphere | Emit from a half-sphere. |
| Cone | Emit from the base of a cone. |
| Box | Emit from the volume of a box. |
| Mesh | Emit from a mesh. |
| ConeVolume | Emit from a cone. |
| Circle | Emit from a circle. |
| SingleSidedEdge | Emit from an edge. |
| MeshRenderer | Emit from a mesh renderer. |
| SkinnedMeshRenderer | Emit from a skinned mesh renderer. |
| BoxShell | Emit from the surface of a box. |
| BoxEdge | Emit from the edges of a box. |
| Donut | Emit from a Donut. |
| Rectangle | Emit from a rectangle. |
| Sprite | Emit from a sprite. |
| SpriteRenderer | Emit from a sprite renderer. |