叩叮跳鈴鐺 v2 | JavaScript 程式專案

{"id":7987,"student_id":70,"content":"setBackdrop(\"#ffffff\");\n\n// L1 創造叩叮\nvar koding = createSprite(\"1.svg\");\nkoding.x = 320;\nkoding.y = 450,\nkoding.scale = 0.2;\nkoding.v=0;\nkoding.rotationStyle=\"flipped\";\n\nvar score=0;\nvar started=false;\nvar bells=[];\n\n// L2 創造4個鈴鐺\nfor(var i=0;i\u003c4;i++){\n    var bell=createSprite(\"bell.png\");\n    bell.x=Math.random()*440+100;\n    bell.y=50+i*100;\n    bell.scale=0.125;\n    bells.push(bell);\n}\n\n// ====== 以上為初始化 ====== //\n\nforever(function(){\n    // L1 轉身\n    koding.toward(cursor);\n\n    // L1 左右移動\n    if(koding.direction\u003c180\u0026\u0026cursor.x-koding.x\u003e10){\n        koding.x+=10;\n    }\n    if(koding.direction\u003e=180\u0026\u0026koding.x-cursor.x\u003e10){\n        koding.x-=10;\n    }\n\n    // L2 不斷產生鈴鐺\n    if(bells[bells.length-1].y\u003e=80){\n        var bell=createSprite(\"bell.png\");\n        bell.x=Math.random()*440+100;\n        bell.y=-20;\n        bell.scale=0.125;\n        bells.push(bell);\n    }\n\n    // L1 重力加速度\n    koding.v+=0.5;\n\n    // L3 當叩叮到了畫面中央時，鏡頭跟著叩叮一起移動\n    if(koding.y\u003c=240 \u0026\u0026 koding.v\u003c0 \u0026\u0026 started){\n        for(var i=0;i\u003cbells.length;i++){\n            bells[i].y-=koding.v;\n            if(bells[i].y\u003e=600){\n                bells[i].destroy();\n                bells.splice(i,1);\n                i--;\n            }\n        }\n    } \n    // L1 否則，叩叮往下掉\n    else {\n        koding.y+=koding.v;\n    }\n    // L4 如果叩叮掉到畫面底部以外，遊戲結束\n    if(koding.y\u003e480){\n        print(\"Game over!\",160,200,\"black\",60);\n        stop();\n    }\n\n    // L1 如果還沒吃到第一個鈴鐺時，讓叩叮掉到地面上停止\n    if(started==false \u0026\u0026 koding.y\u003e450){\n        koding.v=0;\n        koding.y=450;\n        // 如果滑鼠被按下，跳起來\n        if(cursor.isDown){\n            koding.v=-15;\n        }\n    }\n    // L5 印出分數\n    print(score,20,20,\"black\");\n});\n\n// L5 碰到鈴鐺就加分，並刪除鈴鐺\nkoding.when('touch',bells,function(bell) {\n    started=true;\n    score++;\n    bell.destroy();\n    bells.splice(bells.indexOf(bell),1);\n    koding.v=-15;\n});","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-09T08:30:29.412+08:00","name":"叩叮跳鈴鐺 v2","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/7987/ea4d8563f47d338da51059f179648f03.jpg"},"parent_id":7971,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":370,"hashid":"yeys6qr","is_content_changed":null,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}