粒子的动画速度。
动画速度可用于以下特效：不基于物理、而是基于创建随时间变化的特定速度。Noise 和 VelocityOverLifetime 等模块使用此速度类型。此模块不在各个帧间存储此速度，因为使用此值的模块会对每个帧计算新速度值。
如果 Render Mode 设置为 ParticleSystemRenderMode.Stretch，则 ParticleSystemRenderer
也使用动画速度。
另请参阅：ParticleSystem.Particle.velocity、ParticleSystem.Particle.totalVelocity。
Did you find this page useful? Please give it a rating:
Thanks for rating this page!
What kind of problem would you like to report?
Thanks for letting us know! This page has been marked for review based on your feedback.
If you have time, you can provide more information to help us fix the problem faster.
Provide more information
You've told us this page needs code samples. If you'd like to help us further, you could provide a code sample, or tell us about what kind of code sample you'd like to see:
You've told us there are code samples on this page which don't work. If you know how to fix it, or have something better we could use instead, please let us know:
You've told us there is information missing from this page. Please tell us more about what's missing:
You've told us there is incorrect information on this page. If you know what we should change to make it correct, please tell us:
You've told us this page has unclear or confusing information. Please tell us more about what you found unclear or confusing, or let us know how we could make it clearer:
You've told us there is a spelling or grammar error on this page. Please tell us what's wrong:
You've told us this page has a problem. Please tell us more about what's wrong:
Thank you for helping to make the Unity documentation better!
Your feedback has been submitted as a ticket for our documentation team to review.
We are not able to reply to every ticket submitted.