breakout 副本 | JavaScript 程式專案

{"id":197377,"student_id":6762,"content":"setBackdrop(\"#222222\");\r\nvar player = createSprite(\"player.png\");  \r\nvar ball = createSprite(\"ball.png\"); \r\nvar score = 0;\r\nvar lives = 3;\r\nvar speed = 5;\r\nvar level = 1;\r\nvar blocks = [];\r\nplayer.y = 450;\r\nball.direction = 180;\r\ninitBlocks();\r\nforever(function () {\r\n    updateBall();\r\n    \r\n    player.x = cursor.x;\r\n    print(\"Score: \" + score, 20, 20, \"white\");\r\n    print(\"Lives: \" + lives, 20, 40, \"white\");\r\n    print(\"Level: \" + level, 20, 60, \"white\");\r\n});\r\nfunction initBlocks(){\r\n    for(var j = 0; j \u003c 3; j++) {\r\n        for (var i = 0; i \u003c 10; i++) {\r\n            var block = createSprite([\"b0.png\", \"b1.png\", \"b2.png\", \"b3.png\", \"b4.png\", \"b5.png\"]);\r\n            block.costumeId = Math.floor(Math.random()*6);\r\n            block.x = 32 + i * 64;\r\n            block.y = 16 + j * 32;\r\n            blocks.push(block);\r\n        }   \r\n    }    \r\n}\r\nfunction updateBall(){\r\n  ball.stepForward(speed);\r\n  if(ball.x \u003c= 0 || ball.x \u003e= 640){\r\n      ball.direction = -ball.direction;\r\n  }\r\n  if(ball.y \u003c= 0){\r\n      ball.direction = -ball.direction + 180;\r\n  }\r\n  if(ball.y \u003e= 480){\r\n      ball.x = 320;\r\n      ball.y = 240;\r\n      ball.direction = 180;\r\n      speed = 5;\r\n      lives--;\r\n  }  \r\n}\r\nball.on('touch', player, function (){\r\n    ball.direction = -ball.direction + 180\r\n                     + Math.random() * 30 - 15;\r\n});\r\nball.on('touch', blocks, function (block){\r\n    ball.direction = -ball.direction + 180\r\n                     + Math.random() * 30 - 15;\r\n    block.destroy();\r\n    score++\r\n    if(score % 30 == 0){\r\n        initBlocks();\r\n        level++;\r\n    }\r\n    if(score % 3 == 0 \u0026\u0026 speed \u003c 15){\r\n        speed++;\r\n    }\r\n});\r\nforever(function(){\r\n    if(lives \u003e 0){\r\n        player.x = cursor.x;\r\n        updateBall();\r\n    } else {\r\n        print('GAME OVER', 170, 200, 'white', 60);\r\n    }\r\n})\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n","created_at":"2020-10-24T10:01:21.582+08:00","updated_at":"2021-04-10T18:43:44.005+08:00","name":"breakout 副本","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/197377/4debc374ebd394cccf0c068f19c5dd08.jpg"},"parent_id":60761,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":4,"hashid":"wdks4v3ed","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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