Actually jump require btVector3, unfortunately default argument isn't using constructor with initialization. http://bulletphysics.org/Bullet/BulletFull/classbtVector3.html#a82b4c5da54ecd4c91bd9b056dea0d288
Actually jump require btVector3, unfortunately default argument isn't using constructor with initialization. http://bulletphysics.org/Bullet/BulletFull/classbtVector3.html#a82b4c5da54ecd4c91bd9b056dea0d288