好多三角形 | JavaScript 程式專案

{"id":8202,"student_id":1470,"content":"setBackdrop(\"black\");\nvar startingPoints = [];\nvar robotPoints = [];\nvar pen = Game.pen;\nvar iterations = 100000000;\nvar numberOfPoints = 3;\npen.color = \"white\";\npen.size = 2;\npen.fillColor = \"red\";\nvar robot = {\n    x: 0,\n    y: 0\n};\nwhen(\"mouseup\", function () {\n    if (startingPoints.length \u003c numberOfPoints) {\n        startingPoints.push({ x: cursor.x, y: cursor.y });\n        if (startingPoints.length == numberOfPoints) {\n            robot.x = startingPoints[0].x,\n            robot.y = startingPoints[0].y\n        }\n    }\n});\n\nforever(function () {\n    \n    if (startingPoints.length == numberOfPoints) {\n            pen.drawText(\"Iterations: \"+robotPoints.length, 100, 100, 20);\n            for (var i = 0; i \u003c startingPoints.length; i++) {\n                Game.pen.drawCircle(startingPoints[i].x, startingPoints[i].y, 5);\n            }\n            var point = Math.round(Math.random() * (numberOfPoints - 1));\n            robot.x = (robot.x + startingPoints[point].x) / 2;\n            robot.y = (robot.y + startingPoints[point].y) / 2;\n            if(robotPoints.length \u003c= iterations){\n                robotPoints.push({ x: robot.x, y: robot.y });\n            }\n            for (var i = 0; i \u003c robotPoints.length; i++) {\n                Game.pen.drawCircle(robotPoints[i].x, robotPoints[i].y, 0.5);\n            }\n        \n\n\n    }\n});\n\n//軟體用法： \n//   依照numberOfPoints變數來看，點選若干點，點點機器人就開始跑了！\n// 點點機器人的規則： \n//     隨機選擇一個頂點，朝那個頂點走一般的距離，重複。","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-07T06:32:21.741+08:00","name":"好多三角形","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/8202/42e4d33e7631ec199648ab7dc6855584.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":446,"hashid":"jzms233","is_content_changed":null,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}