{ "scene_type": "distance_barrier_rb_problem", "solver": "ipc_solver", "timestep": 0.01, "max_time": 10, "rigid_body_problem": { "coefficient_restitution": -1, "gravity": [0, -9.8, 0], "rigid_bodies": [{ "mesh": "tet-pyramid.obj", "position": [0, 1, 0], "rotation": [0, 0, 180], "linear_velocity": [0, 0, 0], "angular_velocity": [0, 0, 0] }, { "vertices": [ [0, 0, 0.4330127019], [-0.5, 0, -0.4330127019], [0.5, 0, -0.4330127019] ], "position": [0, 0, 0], "rotation": [0, 0, 0], "scale": [0.25, 0.25, 0.25], "type": "static" }] } }