小朋友下樓梯副本 | JavaScript 程式專案

{"id":47771,"student_id":97,"content":"setBackdrop('black');\n\n// 創造天花板\nvar ceiling = createSprite(\"ceiling.png\");\nceiling.x = 320;\nceiling.y = 8;\nceiling.layer = 1;\n\n// 創造左右牆壁\nvar left_wall = createSprite(\"wall.png\");\nvar right_wall = createSprite(\"wall.png\");\nleft_wall.x = 130;\nright_wall.x = 510;\n\n// 創造玩家\nvar player = createSprite([\"player_1.png\",\"player_2.png\",\"player_3.png\",\"player_4.png\",\"player_5.png\"]);\nplayer.y = 50;\n\nvar stairs = [];\n// 建立階梯\nfor( var i=1 ; i\u003c=6 ; i++){\n    var stair = createSprite([\"normal.png\",\"trampoline.png\",\"nails.png\",\"fake.png\",\"conveyor_right.png\",\"conveyor_left.png\"]);\n    stair.x = 179 + Math.random() * (461-179);\n    stair.y = i*80;\n    stair.costumeId = Math.floor(Math.random() * 6);\n    stairs.push( stair );\n}\n\n// 課程新增 主角往下掉速度\nvar vy = 0;\n// 主角碰到階梯\nplayer.when('touch',stairs,function( s ){\n    vy = 0;\n    player.y = s.y -23;\n})\n\nvar timer = 0;\n\nforever(function(){\n    //  如果 按下左鍵 以及  玩家「沒有」碰到左邊牆壁\n    if(key.left \u0026\u0026 !player.touched(left_wall) ){\n        player.x -= 3;\n    }\n    \n    // 如果 按下右鍵 以及  玩家「沒有」碰到右邊牆壁\n    if(key.right  \u0026\u0026 !player.touched(right_wall) ){\n        player.x += 3;\n    }\n    // 所有的階梯\n    for( var i=0; i \u003c stairs.length; i++){\n        // 不斷往上移動兩格\n        stairs[i].y -= 2;\n        // 超出 -10 時重新從下方開始出現\n        if( stairs[i].y \u003c -10 ){\n            stairs[i].y = 480;\n        }\n    }\n    \n    // 玩家往下移動（往下掉）\n    vy += 0.15;\n    player.y += vy;\n    \n    // 挑戰題\n    timer += 1\n    if( timer % 6 == 0){\n        \n        // 如果按下左鍵\n        if(key.left){\n            // 造型 3 及 4 互相切換一次\n            if( player.costumeId == 3){\n                player.costumeId = 4;\n            }else{\n                player.costumeId = 3;\n            }\n        }\n        // 如果按下右鍵\n        if(key.right){\n            // 造型 1 及 2 互相切換一次\n            if( player.costumeId == 1){\n                player.costumeId = 2;\n            }else{\n                player.costumeId = 1;\n            }\n        }\n        // 如果 沒按下左鍵盤 及 沒按下右鍵\n        if(!key.left \u0026\u0026 !key.right){\n            // 造型切換成 0 (原地站立的造型)\n            player.costumeId = 0;\n        }\n        \n    \n    \n    \n})\n\n\n\n","created_at":"2018-11-03T20:33:18.160+08:00","updated_at":"2019-10-08T14:02:43.272+08:00","name":"小朋友下樓梯 副本","language":"javascript","screenshot":{"url":"https://cdn6.koding.school/uploads/project/screenshot/47771/4b6f6e948cf091f9b5c9046178db7d83.jpg"},"parent_id":13412,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":99,"hashid":"36ys5yw8","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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