小朋友下樓梯 | JavaScript Programming Project

{"id":151925,"student_id":10,"content":"var bg = createSprite('bg_0.jpg', 'bg_1.jpg'); //背景圖\nvar ceiling = createSprite('w.png'); //天花板的針刺\nvar left_wall = createSprite('wall.png'); //左邊牆壁\nvar right_wall = createSprite('wall.png'); //右邊牆壁\nvar player = createSprite('p1.png', 'p2.png', 'p3.png', 'p4.png', 'p5.png'); //玩家\n\n// 初始化角色位置\u0026圖層\nplayer.y = 100;\nleft_wall.x -= 450;\nright_wall.x += 450;\nceiling.moveTo(600, 18);\nceiling.layer = 1;\n\nvar life = 10; //玩家血量\nvar floor = 0; //階梯數\nvar stairs = []; //存放階梯角色\nvar vy = 0; //玩家墜落的速度\nvar touchOn; //當前碰撞到的階梯\nvar hit = false; //是否閃爍背景\nvar clock = 0; //計時器\n\nplayer.on('touch', stairs, onTouchStair);\nforever(loop); //重複不斷執行遊戲迴圈\n\n//初始化階梯\nfor (var i = 0; i \u003c 9; i++) {\n    var s = createSprite('s1.png', 's2.png', 's3.png', 's4.png', 's5.png', 's6.png');\n    s.costumeId = Math.floor(Math.random()*6);\n    s.x = 600 + Math.random()*500 - 250;\n    s.y = i*150 + 550;\n    stairs.push(s);\n}\n\nsound.play('bgm.mp3', true);\n\n//遊戲主迴圈\nfunction loop () {\n    updatePlayer(); //偵測玩家操控並更新角色位置\n    updateStairs(); //讓所有階梯向上捲動\n    updateCostume(); //玩家走路動畫\n    updateInfo(); //捲動更新背景圖\n    updateBackground(); //捲動更新背景圖\n    gameoverCheck(); //判斷遊戲是否結束\n}\n\n//偵測玩家操控並更新角色位置\nfunction updatePlayer () {\n    if (key.left \u0026\u0026 !player.touched(left_wall)) {\n        player.x -= 12;\n    }\n    if (key.right \u0026\u0026 !player.touched(right_wall)) {\n        player.x += 12;\n    }\n    vy += 0.6;\n    player.y += vy;\n}\n\n//讓所有階梯向上捲動\nfunction updateStairs () {\n    for (var i = 0; i \u003c stairs.length; i++) {\n        var s = stairs[i];\n        s.y -= 3;\n        if (s.y \u003c -30) {\n            s.x = 600 + Math.random()*500 - 250;\n            s.y += 1350;\n            s.costumeId = Math.floor(Math.random()*6);\n            s.hidden = false;\n            floor += 1;\n        }\n    }\n}\n\n//玩家踩到階梯時執行階梯對應的功能\nfunction onTouchStair (s) {\n    vy = 0;\n    player.y = s.y - 50;\n\n    if (s.costumeId == 0) {\n        player.x -= 6;\n    }\n    if (s.costumeId == 1) {\n        player.x += 6;\n    }\n    if (s.costumeId == 2) {\n        vy = -16;\n        sound.play('jump.mp3');\n    }\n    if (s.costumeId == 3 \u0026\u0026 s != touchOn) {\n        life += 1;\n    }\n    if (s.costumeId == 4 \u0026\u0026 s != touchOn) {\n        life -= 3;\n        hit = true;\n        sound.play('hit.mp3');\n    }\n    if (s.costumeId == 5 \u0026\u0026 s != touchOn) {\n        setTimeout(function() {\n            s.hidden = true\n        }, 300);\n    }\n    touchOn = s;\n}\n\n//更新遊戲分數\nfunction updateInfo () {\n    print('分數：' + floor, 10, 10, 'white', 30);\n    print('生命：' + life, 10, 40, 'while', 30);\n}\n\n//判斷遊戲是否結束\nfunction gameoverCheck () {\n    if (life \u003c= 0 || player.y \u003e 1000 || player.touched(ceiling)) {\n        bg.costumeId = 1;\n        stop();\n        sound.play('gg.mp3');\n    }\n}\n\n//捲動更新背景圖\nfunction updateBackground () {\n    bg.y -= 1;\n    if (bg.y \u003c 400) {\n        bg.y += 100;\n    }\n    if (hit) {\n        bg.costumeId = 1;\n        hit = false;\n    } else {\n        bg.costumeId = 0;    \n    }\n}\n\n//玩家走路動畫\nfunction updateCostume () {\n    clock++;\n    if (clock%4 == 0) {\n        if (key.right) {\n            if (player.costumeId == 1) {\n                player.costumeId = 2;\n            } else {\n                player.costumeId = 1;\n            }\n        } else if (key.left) {\n            if (player.costumeId == 3) {\n                player.costumeId = 4;\n            } else {\n                player.costumeId = 3;\n            }\n        } else {\n            player.costumeId = 0;\n        }\n    }\n}","created_at":"2020-05-25T14:59:08.878+08:00","updated_at":"2020-07-03T17:04:07.903+08:00","name":"小朋友下樓梯","language":"javascript","screenshot":{"url":"/uploads/project/screenshot/151925/2ea946b063fa82eb46074aaf44c7c330.jpg"},"parent_id":2,"plugin":"Game.set({width: 1200, height: 900})","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":412,"hashid":"jzms8w4p","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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