{ "scene_type": "distance_barrier_rb_problem", "solver": "ipc_solver", "max_iterations": 1000, "timestep": 0.01, "distance_barrier_constraint": { "initial_barrier_activation_distance": 1e-4, "detection_method": "bvh" }, "rigid_body_problem": { "coefficient_restitution": -1, "coefficient_friction": 0, "gravity": [0, -9.8, 0], "rigid_bodies": [{ "enabled": true, "mesh": "cube.obj", "position": [0, 3, 0], "rotation": [0, 0, 30], "scale": [1, 1, 1], "linear_velocity": [0, 0, 0], "angular_velocity": [0, 0, 0] }, { "enabled": true, "mesh": "cube.obj", "position": [0, 1, 0], "rotation": [0, 0, -30], "scale": [2, 1, 1], "linear_velocity": [0, 0, 0], "angular_velocity": [0, 0, 0] }, { "mesh": "plane.obj", "is_dof_fixed": true, "position": [0, -1, 0] }] } }