{ "scene_type": "distance_barrier_rb_problem", "rigid_body_problem": { "coefficient_restitution": 1, "rigid_bodies": [{ "vertices": [ [-0.5, 0], [0.5, 0] ], "edges": [ [0, 1] ], "position": [-0.6, 0], "rotation": [0], "linear_velocity": [0.0, 0.0], "angular_velocity": [0.0], "is_dof_fixed": [false, false, false] }, { "vertices": [ [-0.5, 0], [0.5, 0] ], "edges": [ [0, 1] ], "position": [0.6, 0], "rotation": [0], "linear_velocity": [-1.0, 0.0], "angular_velocity": [0.0], "is_dof_fixed": [false, false, false] } ] } }