GeometryGenerator constructor Null safety

1. Flutter
2. vector_math_geometry
3. GeometryGenerator
4. GeometryGenerator constructor

GeometryGenerator class

1. Constructors
2. GeometryGenerator
3. Properties
4. hashCode
5. indexCount
6. runtimeType
7. vertexCount
8. Methods
9. createGeometry
10. generateIndices
11. generateVertexNormals
12. generateVertexPositions
13. generateVertexTangents
14. generateVertexTexCoords
15. noSuchMethod
16. toString
17. Operators
18. operator ==