{ "max_iterations": 4, "timestep": 0.05, "scene_type": "distance_barrier_rb_problem", "distance_barrier_constraint": { "initial_barrier_activation_distance": 0.01 }, "rigid_body_problem": { "gravity": [0.0, -9.8], "rigid_bodies": [{ "vertices": [ [-1, -1], [1, -1], [1, 1], [-1, 1] ], "edges": [ [0, 1], [1, 2], [2, 3], [3, 0] ], "position": [10.2, 10], "linear_velocity": [0.0, -80] }, { "vertices": [ [-10, 0], [10, 0], [10, 0.1], [-10, 0.1] ], "edges": [ [0, 1], [1, 2], [2, 3], [3, 0] ], "type": "static" }] } }