蒙地卡羅求 PI 副本 | JavaScript 程式專案

{"id":40922,"student_id":227,"content":"stopRendering();\npen.size = 0;\nvar i = 0\npen.fillColor = \"white\"\npen.drawRect(0, 0, 640, 480)//??xy\nvar count=0\nvar counter=0\n\nforever(function() {\n    for (var i = 0; i \u003c 1000; i++) {\n        var pi = (counter/count)*4\n        count=count+1\n        var x = Math.random()*480\n        var y = Math.random()*480\n        var c = Math.sqrt((240-y)*(240-y)+(240-x)*(240-x))\n        if(c\u003e240){\n            pen.fillColor = \"red\"\n        }\n        if(c\u003c=240){\n            counter=counter+1\n            pen.fillColor = \"blue\"\n        }\n        x = Math.floor(x)\n        y = Math.floor(y)\n        pen.drawRect(x, y, 1, 1)\n    }\n    pen.fillColor = \"white\"\n    pen.drawRect(0, 0, 200, 35)\n    print(pi, 0, 0, \"black\", 20);\n    console.log(pi)\n})","created_at":"2018-09-01T20:22:12.674+08:00","updated_at":"2019-10-07T12:43:42.467+08:00","name":"蒙地卡羅求 PI 副本","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/40922/854bd274ba20a8e90564ee3b75b3f83e.jpg"},"parent_id":31606,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":79,"hashid":"ej9s6kzv","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}