| { | |
| "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 | |
| } | |
| } | |
| } | |
| } |