蒙地卡羅求 PI 副本 | JavaScript 程式專案

{"id":57202,"student_id":86,"content":"stopRendering();\npen.size = 0;\npen.fillColor = 'white';\npen.drawRect(0, 0, 640, 480);\nvar total = 0;\nvar inside = 0;\n\nforever(function(){\n    for (var i = 0; i \u003c 100; i++) {\n        var x = Math.random() * 480;\n        var y = Math.random() * 480;\n        var d = Math.sqrt((x - 240) * (x - 240) + (y - 240) * (y - 240));\n        if (d \u003c 240) {\n            inside++;\n            pen.fillColor = 'orange';\n        } else {\n            pen.fillColor = 'red';\n        }\n        total++;\n        pen.drawRect(x, y, 1, 1);\n    }\n    pen.fillColor = 'white';\n    pen.drawRect(0, 0, 200, 35);\n    print('pi:' + (inside * 4) / total, 10, 10);\n});","created_at":"2019-02-16T11:11:00.579+08:00","updated_at":"2019-11-11T17:05:08.859+08:00","name":"蒙地卡羅求 PI 副本","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/57202/0cee54aa2b4ce8c89e6dfa184ae88fa1.jpg"},"parent_id":31606,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":107,"hashid":"36yswynv","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}