Hello, Everyone.
I have just uploaded a Heatmap plugin to the marketplace:
https://www.unrealengine.com/marketplace/zh-CN/product/ca8e9375ecb947899d61bdca5b629952
You can use it to generate your own heatmap effect in your project.
Visit my youtube channel to see the effect of my plugin:
https://www.youtube.com/watch?v=cIfo7qTgcGo
Another view control plugin is available, too:
https://www.unrealengine.com/marketplace/zh-CN/product/planeworldpawn-with-simple-mouse-operation