守護重金屬叩叮 - 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":472959,"student_id":2589,"content":"setBackdrop(\"bg.png\"); //設定背景圖\nlet board = createSprite('board.png'); //分數板\nlet player = createSprite('k_0.png', 'k_1.png', 'k_2.png'); //玩家\nlet target = createSprite('t_0.png', 't_1.png', 't_2.png', 't_3.png', 't_4.png', 't_5.png', 't_6.png'); //飛行物體\nlet info = createSprite('info.png'); //遊戲說明\nlet sight = createSprite('sight.png'); //準星\nlet level = 0; //等級\nlet clock = 0; //紀錄遊戲迴圈的執行次數\n\n// info.hidden = true; //預設隱藏\n\ntarget.direction = Math.random()*360; //物品朝向隨機方向\ntarget.stepForward(Math.random() * 300 + 1000); //物品向前移動 300 - 1300 的距離\ntarget.direction += 180; //物品 180 度旋轉方向\ntarget.costumeId = Math.floor(Math.random() * 7); //隨機切換物品的造型\n\ncreateSound('bgm.mp3', true); //播放背景音樂\n\n// 遊戲迴圈\nfunction gameloop () {\n\n    // 讓準星不斷跟著滑鼠移動\n    sight.x = cursor.x;\n    sight.y = cursor.y;\n\n    // 如果遊戲說明圖被隱藏，物品才會開始移動\n    if (info.hidden == true) {\n        target.stepForward(5 + level/5);\n    }\n\n    // 如果物品碰到叩叮遊戲就結束\n    if (target.touched(player) == true) {\n        player.costumeId = 2; //切換叩叮的圖片\n        setBackdrop(\"bg_end.png\"); //切換背景圖圖片\n        stop(); //暫停遊戲\n        createSound('fail.mp3'); //播放失敗音效\n    }\n\n    // 將分數印在左上角\n    drawText(level, 200, 60, 'white', 50);\n\n    clock++;\n    if (clock % 30 == 0) {\n        player.costumeId = 1;\n    }\n    if (clock % 30 == 15) {\n        player.costumeId = 0;\n    }\n}\n\n// 當遊戲場景被點擊時\nfunction clickOnStage () {\n\n    if (target.touched(sight) == true) {\n        \n        level += 1;\n\n        // 當物品被攔截時，創造一個半透明的物品作為紀錄\n        let fake = createSprite('t_0.png', 't_1.png', 't_2.png', 't_3.png', 't_4.png', 't_5.png', 't_6.png');\n        fake.x = target.x;\n        fake.y = target.y;\n        fake.direction = target.direction;\n        fake.costumeId = target.costumeId;\n        fake.opacity = 0.5;\n        \n        // 將物品重置到遊戲場景中央\n        target.x = 600;\n        target.y = 450;\n        target.direction = Math.random()*360;\n        target.stepForward(Math.random() * 300 + 1000);\n        target.direction += 180;\n        target.costumeId = Math.floor(Math.random() * 7);\n\n        createSound('fired.mp3');\n    }\n    \n    info.hidden = true; //隱藏遊戲說明圖\n}\n\n\non('click', clickOnStage); //遊戲場景被點擊就執行 clickOnStage\nforever(gameloop);","created_at":"2022-12-12T15:15:18.482+08:00","updated_at":"2023-03-14T09:56:52.682+08:00","name":"守護重金屬叩叮 - 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":360158,"plugin":"Game.set({ width: 1200, height: 900 });","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":52,"hashid":"5j3s3696q","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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