Please describe the question clearly. Is the middle image moved and the background image also moved? Then use a big picture and a small picture. According to the moving distance of the small picture, after doing a proportional conversion, change the position of the background picture
How to change? Don’t understand the question
If you want to do it well, you must have UI cutouts so that you can write scalable code. Do you want a carousel effect or a fixed time interval?
Please describe the question clearly. Is the middle image moved and the background image also moved? Then use a big picture and a small picture. According to the moving distance of the small picture, after doing a proportional conversion, change the position of the background picture