1. Create a new Actor in the blueprint
Add components as follows: Spline, SplineMesh, Scene
Add function -- "CreateMesh (too big, divided into two pictures), variable MeshArr (array)
2. Setting parameters
SplineMesh
Blueprint Node: Add Spline Mesh Component
3. Add the function GetClickedPos to the level blueprint (or Pawn)
Event list addition function
4. Effect
Note: The particle system part is skipped, simple GPU particles, added collision effect
