蒙地卡羅求 PI | JavaScript 程式專案

{"id":31605,"student_id":888,"content":"","created_at":"2018-06-13T15:37:21.946+08:00","updated_at":"2020-03-14T16:14:19.635+08:00","name":"蒙地卡羅求 PI","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/31605/25f38caca2e26fad2a92afb88bd96b95.jpg"},"parent_id":2,"plugin":"stopRendering();\npen.size = 0;\npen.fillColor = 'white';\npen.drawRect(0, 0, 640, 480);\n\nvar a = 0;\nvar b = 0;\n\nforever(function(){\n    for(var i=0; i\u003c1000; 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    \n        a++;\n        if (d \u003c 240) {\n            pen.fillColor = 'orange';\n            b++;\n        } else {\n            pen.fillColor = 'red';\n        }\n        pen.drawRect(x, y, 1, 1);\n    }\n    \n    pen.fillColor = 'white';\n    pen.drawRect(0, 0, 200, 35);\n    print('PI: ' + b*4/a, 10, 10);\n});","description":null,"note":null,"status":"public","like_student_ids":[227,113,1998],"is_featured":false,"views":1006,"hashid":"zpeszkpd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}