fix issue: Die behavior with animation #315

[qlli]

While Die() called, first stop other behevior of the sprite, then play die animation.

[qiniu-x]

[Git-flow] Hi @qlli, There are some suggestions for your information:

---

Rebase suggestions

• Following commits seems generated via git merge

  Merge branch 'main' into issue315

Which seems insignificant, recommend to use git rebase command to reorganize your PR.

For other git-flow instructions, recommend refer to these examples.

If you have any questions about this comment, feel free to raise an issue here:

• https://github.com/qiniu/reviewbot