Why raycast vehicle are vibrating?

[irrmich]

I run the vehicle demo application using CodeBlocks+Mingw, the trouble is the vehicle is vibrating. And the vibration is greater when my vehicle go faster.

Here is my source code (using freeglut/opengl as renderer). The source is a compressed version of the famous raycast vehicle demo (no more DemoApplication, GlutDemoApplication, DebugDraw, debugmode; VehicleDemo is no more a derived class of them, GlutStuff call VehicleDemo directly)

Do you think the vibration of the vehicle/whells come from bad implementation of internal Raycasting or it is from suspension data??

[irrmich]

It's fily solved, i found a post in here suggesting to set maxSubSteps = 15, and using framerate dt = 1/120;
Really nice o more wheels vibration