{
    "description": "The task involves a hanging soft rope with a ball connected to each end. Then, two balls are pushed in opposite directions parallel to the ground surface and rotate under the gravity and constraint of the rope.",
    "assets": {
        "beam": {
            "model": "../../assets/obj/rod-40.obj",
            "material": {
                "wood": {
                    "mass": 0.0267,
                    "friction": 0.467163,
                    "restitution": 0.01
                }
            }
        },
        "rope": {
            "model": "../../assets/obj/rod-34.obj",
            "material": {
                "rubber": {
                    "mass": 0.005,
                    "young": 795,
                    "friction": 0.467163,
                    "restitution": 0.01
                }
            }
        },
        "support": {
            "model": "../../assets/obj/support.obj",
            "material": {
                "plastic": {
                    "mass": 0.0442,
                    "friction": 0.236467,
                    "restitution": 0.15717
                }
            }
        },
        "ball-1": {
            "model": "../../assets/obj/ball-6.obj",
            "material": {
                "metal": {
                    "mass": 0.3122,
                    "friction": 0.615085,
                    "restitution": 0.190976
                }
            }
        },
        "ball-2": {
            "model": "../../assets/obj/ball-6.obj",
            "material": {
                "metal": {
                    "mass": 0.3122,
                    "friction": 0.615085,
                    "restitution": 0.190976
                }
            }
        },
        "billiard": {
            "model": "../../assets/obj/billiard.obj",
            "material": {
                "plastic": {
                    "mass": 0.0272,
                    "friction": 0.236467,
                    "restitution": 0.15717
                }
            }
        }
    },
    "tasks": {
        "default": {
            "assets": ["beam", "rope", "ball-1", "ball-2", "billiard", "support"],
            "translation": {
                "beam": [0.441, 0.416, 0.30411],
                "rope": [0.441, 0.416, 0.31111],
                "support": [0.441, 0.416, 0.18471],
                "ball-1": [0.241, 0.416, 0.31111],
                "ball-2": [0.641, 0.416, 0.31111],
                "billiard": [0.441, 0.416, 0.31111]
            },
            "orientation": {
                "beam": [0, 0, 0],
                "rope": [0, 0, 0],
                "support": [0, 0, 0],
                "ball-1": [0, 0, 0],
                "ball-2": [0, 0, 0],
                "billiard": [0, 0, 45]
            },
            "fixed": {
                "beam": true,
                "rope": false,
                "support": true,
                "ball-1": false,
                "ball-2": false,
                "billiard": false
            },
            "kinematic": {
                "beam": false,
                "rope": false,
                "support": false,
                "ball-1": false,
                "ball-2": false,
                "billiard": true
            }
        }
    }
}