蒙地卡羅求 PI 副本 | JavaScript 程式專案

{"id":85097,"student_id":1658,"content":"stopRendering();\npen.size = 0;\npen.fillColor = 'white';\npen.drawRect(0, 0, 5000, 5000);\nvar a = 0;\nvar b = 0;\nforever(function() {\n    for (var i = 0; i \u003c 1000; i++) {\n        var x = Math.random()*480;\n        var y = Math.random()*480;\n        var d = (240-x)*(240-x)+(240-y)*(240-y);\n        d = Math.sqrt(d);\n        if (d \u003c 240) {\n            pen.fillColor = 'orange';\n            b++\n        }else{\n            pen.fillColor = 'red';\n        }\n        a++\n        pen.drawRect(x, y, 1, 1);\n    }\n   pen.fillColor =\"yellow\";\n    pen.drawRect(0, 0, 200,35);\n    print(\"PI:\"+b*4/a,10,10);\n});","created_at":"2019-07-28T10:25:36.363+08:00","updated_at":"2019-10-11T16:04:45.057+08:00","name":"蒙地卡羅求 PI 副本","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/85097/fd0362e8125ce99c5bacc81a913e2ee8.jpg"},"parent_id":31606,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":82,"hashid":"npmsq4me","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}