{"id":100390,"student_id":1981,"content":"stopRendering();\npen.size = 0;\npen.fillColor = 'white';\npen.drawRect(0,0, 480, 480);//(X起始座標,Y起始位置,X長度,Y長度)\n\n\n// for(var i=0;i\u003c10;i++){ \n \n// }\nvar a=0;\nvar b=0;\nforever(function(){\nfor(var i=0;i\u003c1000;i++){\n a++;//紀錄點的總數量\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));//畢氏定理\n if(d\u003c240){ \n pen.fillColor = 'orange';//畫筆切換橘色\n b++;//落入圓形內的數量\n }else{ \n pen.fillColor = 'red';//畫筆切換紅色\n }\n \n pen.drawRect(x,y,1,1); \n }\n pen.fillColor = 'white';\n pen.drawRect(0,0,200,30);//畫出長方形區塊\n print('PI:'+(b*4)/a,10,10)\n})\n","created_at":"2019-10-19T00:02:31.561+08:00","updated_at":"2019-10-31T05:14:17.512+08:00","name":"蒙地卡羅求 PI 副本","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/100390/aadf1547f725db42392049ea8139711b.jpg"},"parent_id":31606,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":89,"hashid":"npmsyjgy","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
[]
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