蒙地卡羅求 PI 副本 | JavaScript 程式專案

{"id":39174,"student_id":173,"content":"stopRendering();\npen.size = 0;\npen.fillColor=\"white\"\npen.drawRect(0,0,640,480)\nvar c=0\nvar d=0\n\nforever(function(){\n    var x=Math.random()*480+100\n    var y=Math.random()*480\n\nfor(var i=0;i\u003c1000;i++){\n    x=Math.random()*480+100\n     y=Math.random()*480\n     var a=340-x\n     var b=240-y\n     if(Math.sqrt(a*a+b*b)\u003c240){\n         pen.fillColor=\"orange\"\n         c+=1\n     }else{\n         \n         pen.fillColor=\"red\"\n         d+=1\n     }\npen.drawRect(x,y,1,1)\n}\npen.fillColor=\"white\"\npen.drawRect(0,0,185,30)\nprint(\"pi:\"+c/(c+d)*4)\n})\n","created_at":"2018-08-18T21:34:50.996+08:00","updated_at":"2019-10-18T15:02:08.336+08:00","name":"蒙地卡羅求 PI 副本","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/39174/c46227e624c09cfdb0ccf60996f94acf.jpg"},"parent_id":31606,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":107,"hashid":"2pdsppnw","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}