xuanyaoming

Many thanks for your generous help! The example code is just what I need to continue. It looks like I need to write some C code if I want to...

Well, I didn't know pymunk supports multiple joints between bodies until now. Sorry for that. Thanks a lot for the tip. This feature can solve most of my issues, but...

Thanks, it's a good solution but this method will break the premise that a constraint is a relationship between two bodies. I just figure out an alternative. A fixedJoint could...

The instability comes from bias. I found setting **error_bias** to 0 and **max_force** to **math.inf** can generate stable enough results in my tests, although this setting will break the collision...