I have collection view and six cells every cell have images and it cames the animation like cover vertical effect. but I need every single cell came from the cover vertical effect with animation time delay. **For example** if **one cell came from cover vertical(It came from bottom to top effect)with time delay 0.2** means **second cell came from time delay with 0.6 likewise it has to** **come.** this is what I need. please help me.

![enter image description here](https://i.stack.imgur.com/3Oquv.gif)