Memory Leak Fixed

Have to free the mesh generator after we process our mesh.

demo/assets/scripts/environment/destructable/destructable_wall.gd

@@ -93,6 +93,8 @@ func _draw():
 	
 	var meshGenerator = GeoPolyMesh.new(vector_indexes, vectors, extrusion_direction, depth)
 	var commited_mesh = meshGenerator.commit_mesh(meshInstance3d.get_active_material(0))
+	meshGenerator.free()
+
 	
 	meshInstance3d.mesh = commited_mesh
 	meshInstance3d.position += depth_position_offset
@@ -112,6 +114,7 @@ func _re_draw():
 	
 	var meshGenerator = GeoPolyMesh.new(vector_indexes, vectors, extrusion_direction, depth)
 	var commited_mesh = meshGenerator.commit_mesh(meshInstance3d.get_active_material(0))
+	meshGenerator.free()
 	
 	meshInstance3d.mesh = commited_mesh
 	meshInstance3d.create_trimesh_collision()