蒙地卡羅求 PI 副本副本 | JavaScript 程式專案

{"id":133520,"student_id":1874,"content":"Game.set({\n    autoRendering: false\n});\npen.size = 0;\npen.fillColor = 'white';\npen.drawRect(0, 0, 640, 480);\n\nvar circle = 0;\nvar total = 0;\nvar pi = 0;\n\nforever(function() {\n    for (var i = 0; i \u003c 1000; i++) {\n\n        var x = Math.random()*480;\n        var y = Math.random()*480;\n        var a = x-240;\n        var b = y-240;\n        var c = Math.sqrt(a*a+b*b);\n        if (c \u003e 240) {\n            pen.fillColor = 'blue';\n        } else {\n            pen.fillColor = 'orange';\n            circle++;\n        }\n        pen.drawRect(x, y, 1, 1);\n        total++;\n    }\n    pen.fillColor='white';\n    pen.drawRect(0,0,190,30);\n    pi = circle*4/total;\n    print(pi, 10, 15, 'red', 15);\n});\n","created_at":"2020-03-14T16:13:12.175+08:00","updated_at":"2020-03-14T17:43:09.914+08:00","name":"蒙地卡羅求 PI 副本 副本","language":"javascript","screenshot":{"url":"https://cdn3.koding.school/uploads/project/screenshot/133520/8017745a5c3ac2cc50f8ca9fed55cf68.jpg"},"parent_id":122131,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":88,"hashid":"36ysnzgd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}