小朋友下樓梯副本 | JavaScript 程式專案

{"id":62763,"student_id":1404,"content":"// 預設程式碼\nsetBackdrop('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\n// 初始化變數\nvar life = 10;\nvar floor = 0;\nvar stairs = [];\nvar vy = 0;\nvar hit = false;\n\n//初始化階梯\nfor (var i = 0; i \u003c 8; i++) {\n    var stair = createSprite([\"conveyor_left.png\", \"conveyor_right.png\", \"normal.png\", \"nails.png\", \"trampoline.png\", \"fake.png\"]);\n    stair.costumeId = Math.floor(Math.random()*6);\n\n    stair.x = Math.random()*250 + 200;\n    stair.y = i*80 + 550;\n    stairs.push(stair);\n}\n\nforever(function() {\n\n    if (life \u003e 0 \u0026\u0026 player.y \u003c 480) {\n        setBackdrop('black');\n        updatePlayer();\n        updateStairs();\n        flashBackground();\n        checkTouchedCeiling()\n    }else{\n        setBackdrop('red');\n        print('Game over', 200, 200, 'white', 30)\n    }\n\n\n    print('分數：' + floor, 10, 10, 'white', 20);\n    print('生命：' + life, 10, 40, 'while', 20);\n});\n\n\nfunction updatePlayer() {\n    if (key.left \u0026\u0026 !player.touched(left_wall)) {\n        player.x -= 3;\n    }\n    if (key.right \u0026\u0026 !player.touched(right_wall)) {\n        player.x += 3;\n    }\n    vy += 0.1;\n    player.y += vy;\n}\n\n\nfunction updateStairs() {\n    for (var i = 0; i \u003c stairs.length; i++) {\n        stairs[i].y -= 2;\n        if (stairs[i].y \u003c -10) {\n            stairs[i].costumeId = Math.floor(Math.random()*6);\n            stairs[i].y += 640;\n            stairs[i].hidden = false;\n            floor += 1;\n        }\n    }\n}\n\nvar time = 0\nvar lastTime = 0\nfunction checkTouchedCeiling() {\n    time = Date.now();\n\n    if (player.touched(ceiling) \u0026\u0026 time - lastTime \u003e 3000) {\n        life -= 3;\n        vy = 0;\n        lastTime = time;\n        hit = true;\n    }\n}\n\nfunction flashBackground() {\n    if (hit) {\n        setBackdrop('red');\n        hit = false;\n    }\n}\n\n\n\nvar touchOn;\nplayer.when('touch', stairs, function(s) {\n    vy = 0;\n    player.y = s.y - 20;\n    //踩到左傳送帶\n    if (s.costumeId == 0) {\n        player.x -= 2;\n    }\n    //踩到右輸送帶\n    if (s.costumeId == 1) {\n        player.x += 2;\n    }\n    //踩到彈簧墊\n    if (s.costumeId == 4) {\n        vy = -6;\n    }\n    //踩到藍色階梯\n    if (s.costumeId == 2 \u0026\u0026 s != touchOn) {\n        life += 1;\n    }\n    //踩到釘子\n    if (s.costumeId == 3 \u0026\u0026 s != touchOn) {\n        life -= 3;\n        hit = true;\n    }\n    //踩到灰色階梯\n    if (s.costumeId == 5) {\n        setTimeout(function() {\n            s.hidden = true\n        }, 300);\n    }\n    touchOn = s;\n});","created_at":"2019-04-19T15:11:46.271+08:00","updated_at":"2019-10-28T12:48:36.621+08:00","name":"小朋友下樓梯 副本","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/62763/89edcce60b8890776f43b51e69f48ea4.jpg"},"parent_id":61784,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":76,"hashid":"jzms686v","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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