{ "scene_type": "distance_barrier_rb_problem", "solver": "ipc_solver", "max_time": 20, "timestep": 1e-2, "distance_barrier_constraint": { "initial_barrier_activation_distance": 1e-4 }, "ipc_solver": { "velocity_conv_tol": 1e-4 }, "rigid_body_problem": { "coefficient_restitution": -1, "coefficient_friction": 0.05, "gravity": [0, -9.8, 0], "rigid_bodies": [{ "mesh": "gömböc.stl", "position": [0.25, 0, 0], "rotation": [0, 0, -45], "linear_velocity": [0, 0, 0], "scale": 0.01 }, { "enabled": true, "mesh": "plane.obj", "is_dof_fixed": true, "position": [0, -0.05, 0], "dimensions": [1, 0, 1] }] } }