{ "scene_type": "distance_barrier_rb_problem", "timestep": 0.01, "max_time": 2.0, "rigid_body_problem": { "coefficient_restitution": -1, "gravity": [0, -9.8, 0], "rigid_bodies": [{ "mesh": "erleben/spike.obj", "position": [0, 2.0001, 0], "rotation": [0, 0, 180], "linear_velocity": [1, 0, 0] }, { "mesh": "erleben/hole.obj", "type": "static", "position": [0, -1.0, 0] } ] } }