叩叮打棒球 | JavaScript 程式專案

{"id":230803,"student_id":10,"content":"setBackdrop(\"bg.png\");\nlet pitcher = createSprite(\"pitcher.png\");\nlet ball = createSprite(\"ball.png\");\nlet player = createSprite(\"p_0.png\", \"p_1.png\", \"p_2.png\");\nvar life = createSprite(\"life_0.png\",\"life_1.png\",\"life_2.png\",\"life_3.png\");\nvar level = 0;\nlet status = 0; // 0: 等待中 1: 投手準備 2: 飛出 3: 擊飛\nlet speed = 0;\nlet countdown = 0;\nlet text = '';\nlife.costumeId = 3;\nball.y = 200;\nplayer.y = 700;\npitcher.y = 200;\n\ncreateSound('bgm.ogg');\n\nfunction gameloop () {\n    \n    // print(`level: ${level} status: ${status} countdown: ${countdown}`)\n    \n    if (status != 1) print(text, 10, 10, 'red', 60);\n    ball.scale = (ball.y / 900) * 1.2;\n    \n    print('level:' + level, 10, 70, 'red', 60);\n    \n    if (countdown \u003e 0) {\n        countdown -= 1;\n        if (countdown == 0) {\n            pitcher.direction = 60;\n            status = 2;\n            ball.direction = 180 + Math.random()*60 - 30;\n        }\n    }\n    \n    if (status == 2) {\n        ball.stepForward(speed);\n        speed += 0.2;\n    }\n    \n    if (status == 3) {\n        ball.stepForward(speed);\n        speed -= 0.2;\n    }\n    \n    if (status == 3 \u0026\u0026 speed \u003c 1) {\n        status = 0;\n    }\n    \n    \n    if (status != 3 \u0026\u0026 status != 0) {\n        player.x = cursor.x;\n    }\n    \n    if (ball.y \u003e 1000 \u0026\u0026 status == 2) {\n        status = 0;\n        life.costumeId -= 1;\n        text = '揮棒落空';\n    }\n    \n    if (life.costumeId \u003c= 0) {\n        stop();\n        text = '遊戲結束';\n    }\n}\n\nfunction onclick () {\n    \n    if (status == 0) {\n        countdown = 30 + Math.floor(Math.random() * 120);\n        speed = 1 + level * 0.1;\n        player.costumeId = 0;\n        ball.moveTo(pitcher);\n        pitcher.direction = 90;\n    }\n    \n    if (status == 2 \u0026\u0026 player.costumeId == 0) {\n        \n        createSound('wave.mp3');\n        player.costumeId = 2;\n        if (player.touched(ball)) {\n            ball.direction = (ball.x - player.x)*2;\n            status = 3;\n            speed *= 2;\n            createSound('hit.mp3');\n            if (ball.direction \u003c 45 \u0026\u0026 ball.direction \u003e -45) {\n                text = '成功！';\n                level += 1;\n            } else {\n                life.costumeId -= 1;\n                text = '出界！';\n            }\n        }\n    }\n}\n\non('click', onclick)\nforever(gameloop);\n","created_at":"2021-02-24T12:22:51.859+08:00","updated_at":"2024-06-05T14:56:16.430+08:00","name":"叩叮打棒球","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/230803/424c19f1a1c2e5e82c00d3cb68220a5d.jpg"},"parent_id":2,"plugin":"Game.set({width: 1200, height: 900});","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":230,"hashid":"vngsyrepd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}