邪惡烏鴉 | JavaScript 程式專案

{"id":229160,"student_id":10,"content":"// 修改方向\n// 目前遊戲太過複雜，要簡化遊戲情境和程式\n// 改為\n// 叩叮背著釣竿拿著魚會從下方經過，玩家是一隻小偷烏鴉，要下去偷魚然後放在最上面的鳥巢\n// 中間會不斷有飛鳥經過，如果碰到魚就會被搶走\n// 簡化方向：\n// 1. 不需要有各種類型的鳥（但會有不同速度？還是要用造型來判斷？）\n// 2. 玩家只能偷魚\n// 3. 改為限制遊戲時間\n// 4. 模仿青蛙過河，鳥只會水平移動而且不會隨機切換高度\n// 5. 有兩種方向移動，交錯，用兩個函式，往左移動和往右移動\n// 6. 增加鳥到 6 隻或更多（挑戰？）\n\n\nsetBackdrop(\"bg.png\");\n\nvar player = createSprite(\"crow_0.png\", \"crow_1.png\", \"crow_2.png\", \"crow_3.png\", \"crrow_4.png\");\nvar koding = createSprite(\"koding_0.png\", \"koding_1.png\", \"koding_2.png\", \"koding_3.png\", \"koding_4.png\", \"koding_5.png\", \"koding_6.png\", \"koding_7.png\", \"koding_8.png\", \"koding_9.png\", \"koding_10.png\", \"koding_11.png\");\nvar nest = createSprite(\"nest.png\");\nvar bird_1 = createSprite(\"bird_0.png\", \"bird_1.png\", \"bird_2.png\", \"bird_3.png\", \"bird_4.png\");\nvar bird_2 = createSprite(\"bird_0.png\", \"bird_1.png\", \"bird_2.png\", \"bird_3.png\", \"bird_4.png\");\nvar bird_3 = createSprite(\"bird_0.png\", \"bird_1.png\", \"bird_2.png\", \"bird_3.png\", \"bird_4.png\");\nvar dog = createSprite(\"dog0.png\", \"dog1.png\");\n\nvar clock = 0;\nvar timer = 0;\nvar life = 5;\nvar score = 0;\n\nvar birds = [bird_1, bird_2, bird_3];\n\nbird_1.x = 1200;\nbird_2.x = 1200 + 800;\nbird_3.x = 1200 + 1600;\nbird_1.y = 200;\nbird_2.y = 400;\nbird_3.y = 600;\nnest.x = 150;\nnest.y = 150;\nkoding.y = 750;\ndog.y = 750;\nplayer.rotationStyle = 'flipped';\n\nfunction gameloop () {\n    updatePlayer(); //更新玩家\n    updateKoding(); //更新叩叮\n    updateBird(bird_1); //更新鳥1位置\n    updateBird(bird_2); //更新鳥2位置\n    updateBird(bird_3); //更新鳥3位置\n    touchDetect(); //碰撞偵測\n    updateDog(); //更新狗的位置\n    updateKodingCostume(); //更新叩叮造型\n    updateInfos(); //更新分數和血量\n}\n\nfunction updateInfos () {\n    drawText('score:' + score, 10, 10, 'black', 30);\n    drawText('life:' + life, 10, 40, 'black', 30);\n}\n\nfunction updatePlayer () {\n    if (key.right) {\n        player.x += 3;\n        player.direction = 90;\n    }\n    if (key.left) {\n        player.x -= 3;\n        player.direction = 270;\n    }\n    if (key.up) {\n        player.y -= 3;\n    }\n    else {\n        player.y += 3;\n    }\n    \n    if (player.y \u003e 800) player.y = 800;\n    if (player.costumeId != 0) player.y += 1.5;\n    \n    if (timer \u003e clock) {\n        if (clock % 20 \u003e 10) {\n            player.opacity = 0.5;\n        } else {\n            player.opacity = 1;\n        }\n    } else {\n        player.opacity = 1;\n    }\n}\n\nfunction updateKoding () {\n    if (player.costumeId == 0) koding.x -= 3;\n    if (koding.x \u003c 0) {\n        koding.x += 1200 + Math.random() * 1200; \n        koding.costumeId = Math.floor(Math.random()*5) + 1;\n    }\n}\n\nfunction touchDetect () {\n    if (player.touched(koding) == true \u0026\u0026 player.costumeId == 0) {\n        var costumeId = koding.costumeId % 6;\n        if (costumeId != 5) {\n            koding.costumeId = 0;\n            player.costumeId = costumeId;\n        } else {\n            koding.costumeId = 0;\n        }\n        \n    }\n    \n    if (player.touched(nest) == true) {\n        koding.costumeId = 0;\n        player.costumeId = 0;\n    }\n    \n    if (player.touched(birds) == true \u0026\u0026 timer \u003c clock) {\n        timer = clock + 120;\n        life -= 1;\n    }\n    \n    if (player.touched(dog) == true \u0026\u0026 timer \u003c clock) {\n        timer = clock + 120;\n        life -= 1;\n    }\n    \n    if (life \u003c= 0) {\n        stop();\n    }\n}\n\n\nfunction updateBird (bird) {\n    bird.x -= 8;\n    if (bird.x \u003c 0) {\n        bird.x += 1200 + Math.random() * 300;\n        bird.y = Math.random() * 800;\n        bird.costumeId = Math.floor(Math.random() * 5);\n    }\n}\n\nfunction updateDog () {\n    dog.x += 10;\n    if (dog.x \u003e 1200) {\n        dog.x = -1200 - Math.random() * 1000;\n    }\n    dog.costumeId = Math.abs(Math.floor(dog.x / 50) % 2);\n}\n\nfunction updateKodingCostume () {\n    clock++;\n    if (clock % 20 == 0) {\n        if (player.costumeId != 0) {\n            koding.costumeId = 0;\n        }\n        else if (koding.costumeId \u003e 5) {\n            koding.costumeId -= 6;\n        }\n        else {\n            koding.costumeId += 6;\n        }\n    }\n}\n\nforever(gameloop);","created_at":"2021-02-19T11:10:01.540+08:00","updated_at":"2021-02-22T18:56:05.371+08:00","name":"邪惡烏鴉","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/229160/e3807556bd8a5f4771f12b80d70b8cdd.jpg"},"parent_id":2,"plugin":"Game.set({width: 1200, height: 900})","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":209,"hashid":"yeysvgjk2","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}