snap: clear raycast global variables cache

src/bonsai/bonsai/bim/module/model/polyline.py

@@ -380,10 +380,7 @@ class PolylineOperator:
             if event.value == "RELEASE" and event.type in {"ESC"}:
                 self.tool_state.axis_method = None
                 self.tool_state.plane_method = None
-                context.workspace.status_text_set(text=None)
+                self.cleanup(context)
-                PolylineDecorator.uninstall()
-                tool.Polyline.clear_polyline()
-                tool.Blender.update_viewport()
                 return {"CANCELLED"}
 
     def handle_mouse_move(
@@ -424,6 +421,13 @@ class PolylineOperator:
                 tool.Blender.update_viewport()
             return {"RUNNING_MODAL"}
 
+    def cleanup(self, context: bpy.Types.Context):
+        context.workspace.status_text_set(text=None)
+        PolylineDecorator.uninstall()
+        tool.Polyline.clear_polyline()
+        tool.Raycast.clear_cache()
+        tool.Blender.update_viewport()
+
     def set_offset(self, context: bpy.types.Context, relating_type: ifcopenshell.entity_instance) -> None:
         props = tool.Model.get_model_props()
         direction_sense = props.direction_sense

src/bonsai/bonsai/bim/module/project/operator.py

@@ -3264,13 +3264,10 @@ class MeasureTool(bpy.types.Operator, PolylineOperator):
             and event.value == "RELEASE"
             and event.type in {"RET", "NUMPAD_ENTER", "RIGHTMOUSE"}
         ) or single_mode:
-            context.workspace.status_text_set(text=None)
             self.tool_state.plane_method = None
-            PolylineDecorator.uninstall()
             tool.Polyline.move_polyline_to_measure(context, self.input_ui)
-            tool.Polyline.clear_polyline()
             MeasureDecorator.install(context)
-            tool.Blender.update_viewport()
+            self.cleanup(context)
             return {"FINISHED"}
 
         self.handle_keyboard_input(context, event)

src/bonsai/bonsai/tool/raycast.py

@@ -1070,6 +1070,17 @@ class Raycast(bonsai.core.tool.Raycast):
     def get_gpu_wireframe_snaps(cls, context, event, objs_to_raycast):
         return cls.get_gpu_detection_snaps(context, event, objs_to_raycast)
 
+    @classmethod
+    def clear_cache(cls):
+        global _wireframe_batch_cache, _wireframe_vert_fmt, _triangle_batch_cache, _triangle_vert_fmt, _encoding_shader, _offscreen, _obj_list
+        _wireframe_batch_cache = {}
+        _wireframe_vert_fmt= None
+        _triangle_batch_cache= {}
+        _triangle_vert_fmt= None
+        _encoding_shader= None
+        _offscreen= None
+        _obj_list= []
+        
     @classmethod
     def ray_cast_by_proximity(
         cls,