小兔子大進擊 - 開始後用滑鼠點擊舞台以啟用按鍵，重整畫面即可重新遊戲。 | JavaScript 程式專案

{"id":503426,"student_id":2589,"content":"let bg = createSprite('bg.png'); //背景角色\nlet water = createSprite('water.png'); //水角色\nlet player = createSprite('player_0.png', 'player_1.png'); //兔子\nlet info = createSprite('info.png'); //遊戲說明\nlet end = createSprite('end_0.png', 'end_1.png', 'end_2.png', 'end_3.png', 'end_4.png'); //遊戲失敗圖\n\nlet numbers = ['0.png', '1.png', '2.png', '3.png', '4.png', '5.png', '6.png', '7.png', '8.png', '9.png'];\nlet num1 = createSprite(numbers);\nlet num2 = createSprite(numbers);\nlet num3 = createSprite(numbers);\nlet num4 = createSprite(numbers);\n\nlet score = 0; //分數\nlet speed = 0; //速度\nlet rocks = []; //石頭和紅蘿蔔\nlet pigs = []; //野豬\nlet bulls = []; //野牛\n\nnum1.moveTo(50, 70);\nnum2.moveTo(120, 70);\nnum3.moveTo(190, 70);\nnum4.moveTo(260, 70);\n\nplayer.rotationStyle = 'flipped';\nplayer.layer = 1;\ninfo.layer = 2;\nend.layer = 2;\nend.hidden = true; //預設隱藏結束圖\n\ncreateSound('bgm.mp3', true);\n\n//創造 10 個石頭(或紅蘿蔔)\nfor (let i = 0; i \u003c 10; i++) {\n    rocks[i] = createSprite('rock.png', 'carrot.png');\n}\n\n//創造 10 隻野豬\nfor (let i = 0; i \u003c 10; i++) {\n    pigs[i] = createSprite('pig_0.png', 'pig_1.png');\n}\n\n//創造 5 隻野牛\nfor (let i = 0; i \u003c 5; i++) {\n    bulls[i] = createSprite('bull_0.png', 'bull_1.png');\n}\n\n//初始化或重新開始\nfunction reset () {\n\n    //重置石頭的位置\n    for (let i = 0; i \u003c 10; i++) {\n        rocks[i].x = 150 + Math.floor(Math.random() * 10) * 100;\n        rocks[i].y = i * 100 + 50 - 1000;\n        rocks[i].costumeId = Math.floor(Math.random() * 2);\n    }\n\n    //重置野豬的位置\n    for (let i = 0; i \u003c 10; i++) {\n        pigs[i].x = i * 100 + 150;\n        pigs[i].y = 1000 + Math.random() * 3000;\n    }\n\n    //重置野牛的位置\n    for (let i = 0; i \u003c 5; i++) {\n        bulls[i].x = -100 - Math.random() * 3000;\n        bulls[i].y = i * 100 + 50;\n    }\n\n    score = 0; //重置分數\n    speed = 2; //重置速度\n    bg.y = 500; //重置背景位置\n    water.y = 2250; //重置河流位置\n    player.moveTo(650, 750);\n}\n\n//遊戲迴圈\nfunction gameloop () {\n    if (info.hidden \u0026\u0026 end.hidden) {\n        updateGround(); //移動背景和河流\n        updatePlayer(); //移動兔子\n        rocks.forEach(updateRock); //移動石頭與紅蘿蔔\n        pigs.forEach(updatePig); //移動野豬\n        bulls.forEach(updateBull); //移動野牛\n        updateScore(); //更新分數\n        speed += 1 / 3600;\n    }\n\n    if (key.enter \u0026\u0026 end.hidden == false) {\n        end.hidden = true;\n        reset();\n    }\n\n    if (end.y \u003c 450) end.y += 30;\n}\n\n//更新背景圖\nfunction updateGround () {\n    bg.y += speed;\n    water.y += speed;\n    if (bg.y \u003e 1200) bg.y -= 4000;\n    if (water.y \u003e 1200) water.y -= 4000;\n    if (player.touched(water)) {\n        gameover(4); //掉到水裡\n    }\n}\n\n//更新玩家\nfunction updatePlayer () {\n    player.y += speed;\n    if (player.y \u003e 950 || player.y \u003c -50) {\n        gameover(3); //掉到洞裡\n    }\n    player.costumeId = player.y % 100 \u003c 50 ? 0: 1;\n}\n\n//更新石頭(或紅蘿蔔)\nfunction updateRock (s) {\n    s.y += speed;\n    if (s.y \u003e 950) {\n        s.y -= 1000;\n        s.x = 150 + Math.floor(Math.random() * 10) * 100;\n        s.hidden = false;\n    }\n    if (player.touched(s)) {\n        if (s.costumeId == 1) {\n            score += 30;\n            s.hidden = true;\n            createSound('eat.mp3');\n        } else {\n            gameover(0);\n        }\n    }\n}\n\n//更新野豬\nfunction updatePig (s) {\n    s.y -= speed; // 不斷向上移動\n    if (s.y \u003c -100) {\n        s.y += 1100 + Math.random() * 3000;\n    }\n    if (player.touched(s) \u0026\u0026 player.y \u003c s.y) {\n        gameover(1);\n    }\n    s.costumeId = player.y % 100 \u003c 50 ? 0: 1;\n}\n\n//更新野牛\nfunction updateBull (s) {\n    s.y += speed; // 不斷向上移動\n    s.x += speed * 2; // 不斷向右移動\n    if (s.x \u003e 1300) {\n        s.x -= 1400 + Math.random() * 3000;\n    }\n    if (s.y \u003e 900) {\n        s.y -= 4000;\n    }\n    if (player.touched(s) \u0026\u0026 player.x \u003e s.x) {\n        gameover(2);\n    }\n    s.costumeId = player.y % 100 \u003c 50 ? 0: 1;\n}\n\n//遊戲結束\nfunction gameover (type) {\n    end.hidden = false;\n    end.costumeId = type;\n    end.y = -450;\n    createSound('fail.mp3');\n}\n\n//左鍵按下\nfunction moveLeft () {\n    if (end.hidden) {\n        player.y -= 100;\n        if (player.x \u003e 200) player.x -= 100;\n        player.direction = 270;\n        info.hidden = true;\n        createSound('jump.mp3');\n    }\n}\n\n//右鍵按下\nfunction moveRight () {\n    if (end.hidden) {\n        player.y -= 100;\n        if (player.x \u003c 1000) player.x += 100;\n        player.direction = 90;\n        info.hidden = true;\n        createSound('jump.mp3');\n    }\n}\n\n//更新分數角色\nfunction updateScore () {\n    score += speed / 100; // 每移動 1 格分數加 1\n    let s = Math.floor(score); // 去除分數小數點後\n    num1.costumeId = Math.floor(s / 1000) % 10;\n    num2.costumeId = Math.floor(s / 100) % 10;\n    num3.costumeId = Math.floor(s / 10) % 10;\n    num4.costumeId = Math.floor(s / 1) % 10;\n}\n\nforever(gameloop); //不斷執行遊戲迴圈\non('keydown', 'left', moveLeft); //當左按按下時\non('keydown', 'right', moveRight); //當右按按下時\nreset(); //初始化遊戲角色\n","created_at":"2023-03-06T10:18:16.635+08:00","updated_at":"2023-03-14T10:04:57.545+08:00","name":"小兔子大進擊 - 開始後用滑鼠點擊舞台以啟用按鍵，重整畫面即可重新遊戲。","language":"javascript","screenshot":{"url":null},"parent_id":2,"plugin":"Game.set({width: 1200, height: 900})","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":105,"hashid":"jzmsk3npm","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}