{
    "description": "The task involves one piece of textiles stacked on a plane with a hole at its center. Then, a heavy ball falls and passes through the hole together with the textiles.",
    "assets": {
        "ball": {
            "model": "../../assets/obj/ball-14.obj",
            "material": {
                "plastic": {
                    "mass": 0.8839,
                    "friction": 0.1,
                    "restitution": 0.1 
                }
            }
        },
        "board": {
            "model": "../../assets/obj/holeboard.obj",
            "material": {
                "wood": {
                    "mass": 1.5265,
                    "friction": 0.1,
                    "restitution": 0.1 
                }
            }
        },
        "textile": {
            "model": "../../assets/obj/textile-80_80.obj",
            "material": {
                "oxford": {
                    "mass": 1.1316352,
                    "density": 1.76818,
                    "thickness": 0.36e-3,
                    "stretch stiffness": 2904.55425,
                    "bend stiffness": 4.77659e-5,
                    "shear stiffness": 2904.55425,
                    "friction": 0.293218,
                    "restitution": 0.380043
                },
                "leather": {
                    "mass": 1.28,
                    "density": 2,
                    "thickness": 0.68e-3,
                    "stretch stiffness": 2080.14025,
                    "bend stiffness": 1.762045e-5,
                    "shear stiffness": 1950.165,
                    "friction": 0.50969,
                    "restitution": 0.385093
                },
                "nylon": {
                    "mass": 0.0853312,
                    "density": 0.13333,
                    "thickness": 0.19e-3,
                    "stretch stiffness": 1243.5165,
                    "bend stiffness": 6.24621e-6,
                    "shear stiffness": 120,
                    "friction": 0.694324,
                    "restitution": 0.398675
                },
                "cotton": {
                    "mass": 0.08576,
                    "density": 0.134,
                    "thickness": 0.27e-3,
                    "stretch stiffness": 302.137325,
                    "bend stiffness": 1.388423e-6,
                    "shear stiffness": 333.14525,
                    "friction": 0.364288,
                    "restitution": 0.39215
                },
                "satin": {
                    "mass": 0.0455744,
                    "density": 0.07121,
                    "thickness": 0.14e-3,
                    "stretch stiffness": 77.15638,
                    "bend stiffness": 1.47498e-6,
                    "shear stiffness": 1.00797,
                    "friction": 0.436423,
                    "restitution": 0.360739
                },
                "suit": {
                    "mass": 0.3704256,
                    "density": 0.57879,
                    "thickness": 0.2e-3,
                    "stretch stiffness": 900,
                    "bend stiffness": 2.22038e-6,
                    "shear stiffness": 333.16913,
                    "friction": 0.418105,
                    "restitution": 0.367445
                }
            }
        }
    },
    "tasks": {
        "default": {
            "assets": ["ball", "board", "textile"],
            "translation": {
                "ball": [0.4785, 0.4285, 0.343],
                "board": [0.4785, 0.4285, 0.180],
                "textile": [0.4785, 0.4285, 0.186]
            },
            "orientation": {
                "ball": [0, 0, 0],
                "board": [0, 0, 0],
                "textile": [0, 0, 0]
            },
            "fixed": {
                "ball": false,
                "board": true,
                "textile": false
            },
            "kinematic": {
                "ball": true,
                "board": false,
                "textile": false
            },
            "record": {
                "assets": ["markers"],
                "dim": ["x", "y", "z"],
                "fps": 30
            }
        }
    },
    "markers": {
        "translation": [
            [0.1785, 0.1285, 0.186 ],
            [0.1785, 0.2285, 0.186 ],
            [0.1785, 0.3285, 0.186 ],
            [0.1785, 0.4285, 0.186 ],
            [0.1785, 0.5285, 0.186 ],
            [0.1785, 0.6285, 0.186 ],
            [0.1785, 0.7285, 0.186 ],
            [0.2785, 0.1285, 0.186 ],
            [0.2785, 0.2285, 0.186 ],
            [0.2785, 0.3285, 0.186 ],
            [0.2785, 0.4285, 0.186 ],
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            [0.6785, 0.4285, 0.186 ],
            [0.6785, 0.5285, 0.186 ],
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            [0.6785, 0.7285, 0.186 ],
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            [0.7785, 0.3285, 0.186 ],
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            [0.7785, 0.6285, 0.186 ],
            [0.7785, 0.7285, 0.186 ]
        ]
    }
}