{ "scene_type": "distance_barrier_rb_problem", "solver": "ipc_solver", "timestep": 0.01, "max_time": 10, "ipc_solver": { "velocity_conv_tol": 1e-2 }, "friction_constraints": { "iterations": -1 }, "rigid_body_problem": { "coefficient_restitution": -1, "coefficient_friction": 5e-2, "gravity": [0, -9.8, 0], "rigid_bodies": [{ "mesh": "cube.obj", "position": [-3, 3, 0], "rotation": [0, 0, 0] }, { "mesh": "plane.obj", "is_dof_fixed": true, "position": [0, -1, 0], "rotation": [0, 0, -30] }] } }