The following are the detailed steps to record transparent PNG sequence frames in Unreal Engine 5:
Step 1: Create a scene
Step 2: Open the Sequence Recorder
In Unreal Engine 5, you first need to open the sequence recorder. You can open it by clicking 窗口> 开发人员工具> on the top menu bar序列录制器
Record a sequence video, note that there must be a cine camera actor
Step 3: Hide Transparent Objects and Backgrounds
In the outline panel, hide objects and background objects that do not need to be displayed. These objects can be characters, cameras, lights, etc.
（actor hidden in game）。
Step 4: Start Recording
After recording, click the record button, click config, and configure settings in the pop-up window
Add png sequence, add anti-aliasing if necessary, and set
Note: If there are ghosts after exporting, turn off motion blur (motion blur) in project settings or Postprocessing
Step 5: Export as PNG sequence frame
After setting, click Render(local) to export.
Wait for rendering to complete
In the panel, find the output location and view the output picture
The above are the detailed steps of recording transparent PNG sequence frames in Unreal Engine 5. Hope to help you!
Note: The above pictures and steps are based on Unreal Engine 5.2, and the specific operations of Unreal Engine 4.26 may be different. Please operate according to the actual situation.