flappy bird | JavaScript 程式專案

{"id":206721,"student_id":12205,"content":"setBackdrop(\"./assets/background.png\", 0, 0, 520, 390);\r\n\r\nvar bird = createSprite(\"./assets/bird.png\");\r\nvar tubeUp = createSprite({\r\n    costumes: \"./assets/up-tube.png\",\r\n    x: 400,\r\n  \ty: -30\r\n});\r\nvar tubeDown = createSprite({\r\n  \tcostumes: \"./assets/down-tube.png\",\r\n\tx: 400,\r\n  \ty: 430\r\n});\r\nvar startBtn = createSprite(\"./assets/start-button.png\");\r\nvar gameOverLogo = createSprite({\r\n    costumes: \"./assets/gameover.png\",\r\n    hidden: true,\r\n    y: 100\r\n});\r\n\r\nvar bgm = sound.play('./assets/bgm.ogg');\r\nbgm.loop = true;\r\n\r\nvar vy = 0;\r\nvar scores = 0;\r\nvar flying = false;\r\nforever(function() {\r\n    if(!flying) {\r\n        return;\r\n    }\r\n    tubeUp.x -= 2;\r\n    tubeDown.x -= 2;\r\n    if(tubeUp.x \u003c 0) {\r\n        resetTube();\r\n        scores += 1;\r\n    }\r\n    bird.y += vy;\r\n    vy += 0.2;\r\n    print(scores, 10, 10, 'white', 45);\r\n    if(bird.y \u003e 400 || bird.y \u003c 0) {\r\n        gameOver();\r\n    }\r\n});\r\n\r\nwhen('click', function() { \r\n    vy = -5;\r\n    sound.play('./assets/jump.ogg');\r\n});\r\nbird.when('touch', [tubeUp, tubeDown], gameOver);\r\nstartBtn.when('click', start);\r\n\r\nfunction resetTube () {\r\n    var pos = Math.random()*300 + 50;\r\n    tubeUp.x = 450;\r\n    tubeDown.x = 450;\r\n    tubeUp.y = pos - 230;\r\n    tubeDown.y = pos + 230;\r\n}\r\nfunction start () {\r\n  \tstartBtn.hidden = true;\r\n    gameOverLogo.hidden = true;\r\n    bird.y = 200;\r\n    scores = 0;\r\n    flying = true;\r\n    tubeUp.x = 450;\r\n    tubeDown.x = 450;\r\n}\r\nfunction gameOver () {\r\n    gameOverLogo.hidden = false;\r\n    startBtn.hidden = false;\r\n    flying = false;\r\n}","created_at":"2020-11-25T17:03:14.885+08:00","updated_at":"2020-11-25T17:03:28.557+08:00","name":"flappy bird","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/206721/89edcce60b8890776f43b51e69f48ea4.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":47,"hashid":"d5msvv6jd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}