12-23-2023, 01:39 PM
Hi Samy,
I would be surprised if the issue is due to outdate cache, but I stay open to this possibility. The problem not being easily reproducible makes it difficult to debug, but let's try something: Before using a spline in your code, force it to refresh by calling spine.Refresh().
In the lack of a reproduction case, what I suspect is a potential lack of precision in the data used to compute the tangent.
You use GetTangentByDistance. This one compares to neighboring point's position to deduce the tangent. Neighboring in this context is 0.01 tf difference. For a very long spline, 0.01 tf can be a significant distance.
If this is the issue, then I seen two solutions (and at the same time ways to confirm or not that this is the issue):
1- Use GetTangentByDistanceFast: this one used the spline's cache. You can control the caches's density in the spline's settings.
2- Modify GetTangentByDistance's code to make the delta a value other than 0.01 tf.
I hope this helped.
Have a great
PS:
Looking at your code, I see something that bothers me:
delta *= Time.deltaTime;
lastcornerangle += delta;
I don't know where lastcornerangle and delta are used later on, so maybe this code is doing what it shoudl be, but the multipication with deltaTime seems weird to me.
I would be surprised if the issue is due to outdate cache, but I stay open to this possibility. The problem not being easily reproducible makes it difficult to debug, but let's try something: Before using a spline in your code, force it to refresh by calling spine.Refresh().
In the lack of a reproduction case, what I suspect is a potential lack of precision in the data used to compute the tangent.
You use GetTangentByDistance. This one compares to neighboring point's position to deduce the tangent. Neighboring in this context is 0.01 tf difference. For a very long spline, 0.01 tf can be a significant distance.
If this is the issue, then I seen two solutions (and at the same time ways to confirm or not that this is the issue):
1- Use GetTangentByDistanceFast: this one used the spline's cache. You can control the caches's density in the spline's settings.
2- Modify GetTangentByDistance's code to make the delta a value other than 0.01 tf.
I hope this helped.
Have a great
PS:
Looking at your code, I see something that bothers me:
delta *= Time.deltaTime;
lastcornerangle += delta;
I don't know where lastcornerangle and delta are used later on, so maybe this code is doing what it shoudl be, but the multipication with deltaTime seems weird to me.
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