rename XYZ Simulation

sandbox/engulf/run.py

 from synergine2.core import Core
 from synergine2.cycle import CycleManager
 from synergine2.terminals import TerminalManager, Terminal, TerminalPackage
-from synergine2.xyz import Simulation
+from synergine2.xyz import XYZSimulation
 from sandbox.engulf.simulation import EngulfSubjects
 from synergine2.xyz_utils import get_around_positions_of, get_distance_between_points
 
 
-class Engulf(Simulation):
+class Engulf(XYZSimulation):
     behaviours_classes = [
         GrassSpawnBehaviour,
     ]

synergine2/xyz.py

     def get_for_position(
             self,
             position,
-            simulation: 'Simulation',
+            simulation: 'XYZSimulation',
             exclude_subject: Subject=None,
     ):
         subjects = []
         self.xyz[p_object.position] = p_object
 
 
-class Simulation(BaseSimulation):
+class XYZSimulation(BaseSimulation):
     accepted_subject_class = XYZSubjects