css3 - CSS animation问题

Question

如图，求思路

Answer 1

@cheapskate @superman369

I wrote a small demo myself, please feel free to point out deficiencies

http://codepen.io/abcdGJJ/pen...

Answer 2

You can try setting the triangle on a hidden p, and then let p rotate. If you want the triangle to rotate, just add a rotation animation to the triangle

Answer 3

That’s a good question