{ "scene_type": "distance_barrier_rb_problem", "timestep": 0.01, "max_time": 10, "rigid_body_problem": { "coefficient_restitution": -1, "gravity": [0, 0, 0], "rigid_bodies": [{ "mesh": "sphere.obj", "position": [0, 0, 0], "rotation": [0, 0, 0], "scale": [2, 1, 0.5], "linear_velocity": [0, 0, 0], "angular_velocity": [180, 0, 0] }] } }