秋名山道練習.jsa | JavaScript Programming Project

{"id":2827,"student_id":10,"content":"var speed = 0; // 車子當前速度\nvar power = 2; // 加速度\nvar maxSpeed = 180; // 最高速\nvar slow = 3; // 過彎減速\nvar friction = 3; // 草皮摩擦力\nvar round = 0; // 當前圈數\nvar target = 3; // 目標圈數\nvar pass = 0; // 紀錄總圈數時間\nvar oneRoundTime = 0; // 紀錄單趟時間\nvar startTime = new Date().getTime();\n\nsetBackdrop(\"#777\");\n\nvar checkPoint = Game.createSprite({\n\tx: 310,\n    y: 120,\n    scale: .6,\n    costumes: \"indy_winner.jpg\"\n});\n\nvar road = Game.createSprite({\n  \tx: 1600,\n  \ty: -100,\n    scale: 1,\n\tcostumes: \"秋名山賽道.png\"\n});\n\nvar dash = Game.createSprite({\n  \tx: 1600,\n  \ty: -100,\n    scale: 1,\n\tcostumes: \"秋名山賽道_中線.png\"\n});\n\nvar car = Game.createSprite({\n\tx: 320,\n    y: 240,\n    scale: .2,\n    direction: -90,\n    costumes: \"86.png\"\n});\n\ncar.on('touch',[road], function() {\n    var base = 3;\n    if(speed \u003e= friction + base) {\n        speed -= friction;\n    } else {\n        speed = base;\n    }\n});\n\nvar lastCheckTime = 0;\ncar.on('touch', [checkPoint], function() {\n\tvar now = new Date().getTime();\n    if(now \u003e lastCheckTime + 20000) {\n    \tlastCheckTime = now;\n        if(round \u003e= 1) {\n            console.log('第' + round + '圈花費時間：' + (pass - oneRoundTime) + 's');\n            oneRoundTime = pass;\n        }\n        if(round == target) {\n            console.log('總圈數花費：' + pass + '秒')\n        \talert('花費：' + pass + '秒');\n        }\n        round += 1;\n    }\n})\n\nGame.on('holding','left', function() {\n\tcar.direction -= 3;\n    speed -= slow;\n});\n\nGame.on('holding','right', function() {\n\tcar.direction += 3;\n    speed -= slow;\n});\n\nGame.on('holding','space', function() {\n\tspeed -= slow;\n});\n\nGame.forever(function() {\n    \n    if(round \u003e= target + 1) {\n \t\tGame.stop();\n    }\n    \n    pass = (new Date().getTime() - startTime )/1000;\n    pass = pass.toFixed(1);\n    \n    if(speed \u003c maxSpeed) speed += power;\n    \n\tvar rad = car.direction/180*Math.PI;\n    var move_x = Math.cos(rad) * speed / 20;\n    var move_y = Math.sin(rad) * speed / 20;\n    \n    road.x -= move_x;\n    road.y -= move_y;\n    \n    dash.x -= move_x;\n    dash.y -= move_y;\n    \n    checkPoint.x -= move_x;\n    checkPoint.y -= move_y;\n    \n    Game.print(speed + ' km/h', 0, 0, 'red', 30);\n    Game.print(round + '/' + target + 'rounds', 500, 0, 'red', 30);\n    Game.print(pass + 's', 0, 100, 'red', 30);\n})\n\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-01T19:29:43.101+08:00","name":"秋名山道練習.jsa","language":"javascript","screenshot":{"url":"/uploads/project/screenshot/2827/cc8c02b9e8aa59fc1925120e4fc52dd1.jpg"},"parent_id":2826,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":667,"hashid":"6rpsenj","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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