蒙地卡羅求 PI 副本 | JavaScript 程式專案

{"id":57000,"student_id":1639,"content":"stopRendering();\npen.size = 0;\n\npen.fillColor = \"white\";\npen.drawRect(0, 0, 640, 480);\nvar total = 0;\nvar inside = 0;\n\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 d = Math.sqrt((x - 240)*(x - 240) + (y - 240)*(y - 240));\n        pen.fillColor = \"red\";\n        pen.drawRect(x, y, 1, 1);\n        if(d \u003e 240){\n            pen.fillColor = \"red\";\n        }else{\n            inside += 1;\n            pen.fillColor = \"orange\";\n        }\n        total += 1;\n        pen.drawRect(x, y, 1, 1);\n    }\n    pen.fillColor = \"white\";\n    pen.drawRect(0, 0, 200, 35);\n    print(\"pi: \" + (inside*4)/total , 10, 10);\n})","created_at":"2019-02-16T09:59:25.863+08:00","updated_at":"2019-10-07T20:02:51.259+08:00","name":"蒙地卡羅求 PI 副本","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/57000/30639626b03da3fd1f308fdbf12a849b.jpg"},"parent_id":31606,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":134,"hashid":"36yswy5w","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}