{ "scene_type": "distance_barrier_rb_problem", "solver": "ipc_solver", "max_time": 10, "timestep": 0.01, "ipc_solver": { "velocity_conv_tol": 1e-5 }, "rigid_body_problem": { "gravity": [0, -9.8, 0], "rigid_bodies": [{ "mesh": "cube.obj", "position": [0, 1, 0] }, { "mesh": "cube.obj", "position": [0, 3, 0] }, { "mesh": "cube.obj", "position": [0, 5, 0] }, { "mesh": "cube.obj", "position": [0, 7, 0] }, { "mesh": "cube.obj", "position": [0, 9, 0] }, { "mesh": "plane.obj", "is_dof_fixed": [true, true, true, true, true, true], "position": [0, -1, 0] }] } }