René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"3d rendering Issue:","articleBody":"Intent: We are trying only to display 3d objects with their default parameters\r\nOutput: But it only showing a black screen after execution.\r\n\r\nSystem: Linux operating system: Fedora Linux 39 (Workstation Edition), browser: Firefox version 120\r\n\r\n```python\r\nfrom vpython import *\r\nfrom sys import exit\r\n\r\ndef menu():\r\n    print('1. Curve')\r\n    print('2. Sphere')\r\n    print('3. Cone')\r\n    print('4. Arrow')\r\n    print('5. Rings')\r\n    print('6. Cylinder')\r\n\r\nch = \"y\"\r\nwhile ch != \"n\":\r\n    scene = canvas()\r\n    menu()\r\n\r\n    choice = int(input('Enter choice: '))\r\n    if choice == 1:\r\n        curve()\r\n    elif choice == 2:\r\n        sphere()\r\n    elif choice == 3:\r\n        cone()\r\n    elif choice == 4:\r\n        arrow()\r\n    elif choice == 5:\r\n        ring()\r\n    elif choice == 6:\r\n        cylinder()\r\n    else:\r\n        print('Invalid choice')\r\n\r\n    ch = input('Do you want to continue (y/n)? ').lower()\r\n    scene.delete()\r\n\r\nexit()\r\n\r\n```\r\nTried to resolve this issue: By passing some parameters, by redrawing the screen, updating the screen etc.","author":{"url":"https://github.com/ramayanbindas","@type":"Person","name":"ramayanbindas"},"datePublished":"2024-02-21T13:41:33.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":9},"url":"https://github.com/182/glowscript/issues/182"}