I’ve been working with physical materials while testing out predicting bounce velocities, and found that the physical material calculations do not seem to be working the way they are intended.
First, when combining the materials of the moving object and the surface it collides with, the friction value of the surface is always ignored. It only uses the object’s friction, but it does properly combine the restitution.
Second, when using a Projectile Movement component on the moving object, the physical material of the surface is completely ignored.
Hi Grimwolf,
At what velocity is the physics object moving on impact? There is a setting under Project Settings > Engine > Physics called BounceThresholdVelocity that is set to 200. This keeps physics objects from interacting correctly with physical materials if they are moving under that velocity. You can lower that threshold if needed.
Let me know if that helps your issue. If not, I’ll try setting up a test on my end. If you have a test project, feel free to upload it. That may help speed things along.
We haven’t heard back from you in a few days, so we are marking this post as resolved for tracking purposes. If you’re still experiencing this issue, please feel free to post back here with additional information to reopen the post.
Cheers,
TJ