彈力球大賽（完整版） | JavaScript 程式專案

{"id":183187,"student_id":2589,"content":"","created_at":"2020-08-20T11:15:43.270+08:00","updated_at":"2020-08-20T11:16:12.573+08:00","name":"彈力球大賽（完整版）","language":"javascript","screenshot":{"url":null},"parent_id":2,"plugin":"Game.set({ width: 1200, height: 900 })\n\nsetBackdrop('bg.jpg'); //設定背景圖\nvar ball = createSprite( 'ball_0.png', 'ball_1.png'); //球\nvar p1 = createSprite('p1.png'); //左邊玩家擋板\nvar p2 = createSprite('p2.png'); //右邊玩家擋板\nvar info = createSprite('info.png', 'bg_1.jpg', 'bg_2.jpg'); //遊戲開始、結束提示圖\n\np1.x = 30;\np2.x = 1170;\nball.rotationStyle = 'fixed'; //球的圖片永遠保持水平，不會隨著角度改變而旋轉\n// info.hidden = true;\n\nvar p1_score = 0; //左邊玩家分數\nvar p2_score = 0; //右邊玩家分數\nvar speed = 10; //球的速度\n\ncreateSound('bgm.mp3', true);\nforever(loop); //重複不斷執行遊戲迴圈\n\n//遊戲主迴圈\nfunction loop () {\n    if (key.o \u0026\u0026 p2.y \u003e 100) {\n        p2.y -= 20;\n    }\n    if (key.l \u0026\u0026 p2.y \u003c 800) {\n        p2.y += 20;\n    }\n    if (key.w \u0026\u0026 p1.y \u003e 100) {\n        p1.y -= 20;\n    }\n    if (key.s \u0026\u0026 p1.y \u003c 800) {\n        p1.y += 20;\n    }\n\n    //如果開始示意圖隱藏時表示遊戲開始，球才可以開始移動\n    if (info.hidden) {\n        ball.stepForward(speed);\n    }\n    if (key.space) { //按下空白按鍵隱藏開始示意圖\n        info.hidden = true;\n    }\n    if (ball.y \u003c 0 || ball.y \u003e 900) {\n        ball.direction = -ball.direction - 180;\n    }\n    if (ball.touched(p2) \u0026\u0026 ball.direction \u003c 180) {\n        ball.direction = -ball.direction + Math.random()*15;\n        speed += 1;\n        createSound('hit.mp3');\n    }\n    if (ball.touched(p1) \u0026\u0026 ball.direction \u003e 180) {\n        ball.direction = -ball.direction + Math.random()*15;\n        speed += 1;\n        createSound('hit.mp3');\n    }\n    \n    //左邊玩家得分\n    if (ball.x \u003c 0) {\n        ball.moveTo(600, 450);\n        ball.direction = 270;\n        speed = 10;\n        p1_score += 1;\n        createSound('lose.ogg');\n    }\n    //右邊玩家得分\n    if (ball.x \u003e 1200) {\n        ball.moveTo(600, 450);\n        ball.direction = 90;\n        speed = 10;\n        p2_score += 1;\n        createSound('lose.ogg');\n    }\n\n    drawText(p1_score, 1140, 20, '#23B0DB', 80);\n    drawText(p2_score, 30, 20, '#F46F25', 80);\n\n    //左邊玩家獲勝\n    if (p1_score == 5) {\n        info.costumeId = 1;\n        info.hidden = false;\n        stop();\n    }\n    //右邊玩家獲勝\n    if (p2_score == 5) {\n        info.costumeId = 2;\n        info.hidden = false;\n        stop();\n    }\n    if (speed \u003c 15) {\n        ball.costumeId = 0;\n    } else {\n        ball.costumeId = 1;\n    }\n}\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":67,"hashid":"qmdsny2v","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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