{
    "scene_type": "distance_barrier_rb_problem",
    "solver": "ipc_solver",
    "timestep": 0.001,
    "max_time": 0.1,
    "distance_barrier_constraint": {
        "initial_barrier_activation_distance": 1e-3
    },
    "rigid_body_problem": {
        "coefficient_restitution": -1,
        "coefficient_friction": 0,
        "gravity": [0, -9.81, 0],
        "rigid_bodies": [{
            "mesh": "cylinder.obj",
            "position": [0, -0.04, 0],
            "dimensions": [0.0635, 0.8636, 0.0635],
            "rotation": [90, 0, 0],
            "density": 700.0,
            "angular_velocity": [-500, 2000, 0],
            "torque": [0, 0, 0],
            "is_dof_fixed": [true, true, true, false, false, false]
        }, {
            "mesh": "sphere.obj",
            "position": [0.15, 0, 0.3],
            "dimensions": [0.075, 0.075, 0.075],
            "linear_velocity": [0, 0, 0],
            "density": 7
        }, {
            "mesh": "cylinder.obj",
            "dimensions": [0.03, 0.1, 0.03],
            "position": [0.15, -0.09, 0.3],
            "is_dof_fixed": true
        }]
    }
}