The set of basic geometry shape types that can exist.
Additional resources: BoxGeometry, SphereGeometry, CapsuleGeometry, ConvexMeshGeometry, TriangleMeshGeometry, TerrainGeometry.
| Sphere | A sphere shape. | 
| Capsule | A capsule shape. | 
| Box | A cube shape. | 
| ConvexMesh | A convex mesh shape. | 
| TriangleMesh | A triangle or non-convex mesh shape. | 
| Terrain | The geometric shape of a Terrain collider. | 
| Invalid | An invalid shape type. |