蒙地卡羅求 PI 副本 | JavaScript 程式專案

{"id":41880,"student_id":208,"content":"stopRendering();\npen.size = 0;\npen.fillColor = 'white';\npen.drawRect(0, 0, 640, 480);\nvar circle = 0;\nvar square = 0;\nforever(function() {\n    for (var i = 0; i \u003c 100; i++) {\n        var x = Math.random()*480;\n        var y = Math.random()*480;\n        var c = Math.sqrt((240-x)*(240-x)+(240-y)*(240-y));\n        if (c \u003c 240 || c == 240) {\n            pen.fillColor = \"orange\";\n            pen.drawRect(x, y, 1, 1);\n            circle++\n            square++\n        } else {\n            pen.fillColor = \"red\";\n            pen.drawRect(x, y, 1, 1);\n            square++\n        }\n    }\n    pen.fillColor = \"white\";\n    pen.drawRect(0,0,200,35);\n    print(\"PI=\"+(circle*4/square),10,10,\"red\",16)\n});","created_at":"2018-09-09T09:59:31.874+08:00","updated_at":"2019-11-12T05:30:52.841+08:00","name":"蒙地卡羅求 PI 副本","language":"javascript","screenshot":{"url":"https://cdn9.koding.school/uploads/project/screenshot/41880/cc0daf6dbe13fd54838b173257ea6f2b.jpg"},"parent_id":31606,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":92,"hashid":"2pdspqd3","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}