逃離雪怪 - 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":472962,"student_id":2589,"content":"let bg = createSprite('bg.png'); //背景\nlet hilltop = createSprite('hilltop.png'); //山頂背景\nlet b1 = createSprite('b_0.png', 'b_1.png', 'b_2.png', 'b_3.png', 'b_4.png', 'b_5.png'); //障礙物1\nlet b2 = createSprite('b_0.png', 'b_1.png', 'b_2.png', 'b_3.png', 'b_4.png', 'b_5.png'); //障礙物2\nlet b3 = createSprite('b_0.png', 'b_1.png', 'b_2.png', 'b_3.png', 'b_4.png', 'b_5.png'); //障礙物3\nlet b4 = createSprite('b_0.png', 'b_1.png', 'b_2.png', 'b_3.png', 'b_4.png', 'b_5.png'); //障礙物4\nlet n1 = createSprite('0.png', '1.png', '2.png', '3.png', '4.png', '5.png', '6.png', '7.png', '8.png', '9.png'); //分數個位數\nlet n2 = createSprite('0.png', '1.png', '2.png', '3.png', '4.png', '5.png', '6.png', '7.png', '8.png', '9.png'); //分數十位數\nlet n3 = createSprite('0.png', '1.png', '2.png', '3.png', '4.png', '5.png', '6.png', '7.png', '8.png', '9.png'); //分數百位數\nlet passerby = createSprite('y_0.png', 'y_1.png'); //路人叩叮\nlet player = createSprite('r_0.png', 'r_1.png', 'r_2.png', 'r_3.png'); //玩家\nlet monster = createSprite('m_0.png', 'm_1.png', 'm_2.png'); //雪怪\nlet enterBtn = createSprite('enter_btn.png'); // 重新開始提示按鍵\n\nlet isStart = false; // 是否開始遊戲\nlet speed = 6; // 速度\nlet score = 0; // 分數\n\nreset(); // 初始化\n\ncreateSound('bgm.mp3', true);\n\n// 重置所有角色與變數\nfunction reset () {\n    hilltop.y = 450;\n    bg.y = 1800;\n    n1.moveTo(50, 50);\n    n2.moveTo(100, 50);\n    n3.moveTo(150, 50);\n    b1.moveTo(1300, 0);\n    b2.moveTo(1300, 300);\n    b3.moveTo(1300, 600);\n    b4.moveTo(1300, 900);\n    monster.y = -1000;\n    player.x = 600;\n    passerby.y = 1200;\n    enterBtn.y = 700;\n    enterBtn.hidden = true;\n    player.costumeId = 0;\n    isStart = false;\n    speed = 6;\n    score = 0;\n}\n\n// 遊戲主迴圈\nfunction gameloop () {\n    if (isStart \u0026\u0026 enterBtn.hidden) {\n        updatePlayer(); //更新玩家\n        updateMonster(); //更新雪怪\n        updateGround(); //更新背景\n        updateBlock(b1); //更新障礙物1\n        updateBlock(b2); //更新障礙物2\n        updateBlock(b3); //更新障礙物3\n        updateBlock(b4); //更新障礙物4\n        updatePasserby(); //更新路人叩叮\n        updateScore(); //更新分數\n        speedUp(); //提高遊戲速度\n    }\n    if (key.right || key.left) {\n        isStart = true;\n    }\n    if (key.enter) {\n        reset();\n    }\n}\n\n// 更新背景圖\nfunction updateGround () {\n    bg.y -= speed;\n    hilltop.y -= speed;\n    if (bg.y \u003c 0) {\n        bg.y += 900;\n    }\n}\n\n// 更新障礙物\nfunction updateBlock (block) {\n    block.y -= speed;\n    if (block.y \u003c -50) {\n        block.y += 1200;\n        block.x = 100 + Math.random() * 1000;\n        block.costumeId = Math.floor(Math.random() * 6);\n        block.scale = 1.3;\n    }\n    if (block.touched(player) \u0026\u0026 block.y \u003e player.y) {\n        gameover();\n        createSound('ouch.wav');\n    }\n}\n\n// 更新玩家\nfunction updatePlayer () {\n    \n    player.costumeId = 0; //玩家呈現向前造型圖\n\n    if (key.right \u0026\u0026 player.x \u003c 1200) {\n        player.x += speed * 1.5; //根據速度向右移動\n        player.costumeId = 1; //呈現向右的造型圖\n    }\n\n    if (key.left \u0026\u0026 player.x \u003e 0) {\n        player.x -= speed * 1.5; //根據速度向左移動\n        player.costumeId = 2; //呈現向左的造型圖\n    }\n}\n\n// 更新雪怪\nfunction updateMonster () {\n    \n    monster.y += speed / 2;\n    if (monster.y \u003e 1000) {\n        monster.y -= 1800;\n        createSound('show.wav');\n    }\n    \n    if (monster.x \u003e player.x) {\n        monster.x -= speed / 6;\n    } else {\n        monster.x += speed / 6;\n    }\n    \n    // 根據垂直 y 座標來回切換造型圖呈現走路動畫\n    if (monster.y % 100 \u003c 50) {\n        monster.costumeId = 0;\n    } else {\n        monster.costumeId = 1;\n    }\n    \n    if (monster.touched(player) \u0026\u0026 monster.y \u003c player.y) {\n        gameover()\n    }\n}\n\n// 更新路人叩叮\nfunction updatePasserby () {\n        \n    // 如果超出上方邊界\n    if (passerby.y \u003c -100) {\n        passerby.y += 1200; //重置到下方\n        passerby.x = Math.random() * 1000 + 100; // 隨機切換水平位置\n        passerby.costumeId = 0; // 恢復造型圖\n    }\n    \n    // 如果撞到路人叩叮而且該路人叩叮正在滑雪\n    if (passerby.touched(player) \u0026\u0026 passerby.costumeId == 0) {\n        passerby.costumeId = 1; //切換跌倒的圖\n        score += 10; //分數加 10\n    }\n    \n    \n    if (passerby.costumeId == 0) {\n        passerby.y -= speed / 2; //正在滑雪向上速度慢於背景\n    } else {\n        passerby.y -= speed; //跌倒了向上速度與背景相同\n    }\n}\n\n// 更新分數\nfunction updateScore () {\n    score += 0.01;\n    n1.costumeId = Math.floor(score / 100) % 10; //更新百位數造型圖\n    n2.costumeId = Math.floor(score / 10) % 10; //更新十位數造型圖\n    n3.costumeId = Math.floor(score / 1) % 10; //更新個位數造型圖\n}\n\n// 遊戲結束\nfunction gameover () {\n    player.costumeId = 3; // 玩家跌倒\n    monster.costumeId = 2; // 雪怪嘲笑\n    enterBtn.hidden = false; // 顯示重新開始提示\n}\n\n// 提高遊戲速度\nfunction speedUp () {\n    if (speed \u003c 12) {\n        speed += 0.001;\n    }\n}\n\nforever(gameloop);","created_at":"2022-12-12T15:19:18.172+08:00","updated_at":"2023-12-01T16:26:30.109+08:00","name":"逃離雪怪 - 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":"https://cdn3.koding.school/uploads/project/screenshot/472962/5c2b2e2580afa03f30a2cf245f45b0e5.jpg"},"parent_id":470325,"plugin":"Game.set({width: 1200, height: 900})","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":55,"hashid":"ej9s9q2pd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}