(The collision of the game can be roughly divided into these categories. 1. The collision between the protagonist and the gap restricts the protagonist from walking out of the mobile phone screen. 2. The collision between the protagonist and the physical layer, the house, table and chair in the map, etc. 3. The collision between the protagonist and the game character, here refers to NPC, etc. 4. The protagonist collides with the script box, such as going into the room and going out for a plot dialogue, etc.)