breakout 副本 | JavaScript 程式專案

{"id":113798,"student_id":3525,"content":"setBackdrop(\"#222222\");\r\nvar player = createSprite(\"player.png\"); // 建立玩家檔板\r\nvar ball = createSprite(\"ball.png\"); // 建立球\r\nvar score = 0;\r\nvar lives = 3;\r\nvar speed = 5;\r\nvar level = 1;\r\nvar bricks = [];\r\n\r\nplayer.y = 450;\r\nball.direction = 180;\r\n\r\ninitBlocks();\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        stop();\r\n        print(\"Game Over\", 170, 200, \"white\", 60);\r\n    }\r\n    \r\n\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\n\r\n\r\n\r\n\r\n\r\nfunction initBlocks(){\r\n    for (var j = 0; j \u003c 7; j++) {\r\n        for (var i = 0; i \u003c 10; i++) {\r\n            var brick = createSprite([\"b0.png\",\"b1.png\",\"b2.png\",\"b3.png\",\"b4.png\",\"b5.png\"]);\r\n            brick.costumeId = Math.floor(Math.random() * 6);\r\n            brick.x = 32 + i * 64;\r\n            brick.y = 14 + j * 28;\r\n            bricks.push(brick);\r\n        }\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        speed = 5;\r\n        lives -= 1;\r\n        ball.direction = 180;\r\n    }\r\n}\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    ball.y = player.y - 30;\r\n});\r\n\r\nball.on(\"touch\", bricks, function(brick){\r\n    ball.direction = -ball.direction + 180 +\r\n    Math.random() * 30 - 15;\r\n    brick.destroy(brick);\r\n    score++;\r\n    if (score % 70 === 0) {\r\n        initBlocks();\r\n        level++;\r\n    }\r\n    if (score % 3 === 0 \u0026\u0026 speed \u003c 20) {\r\n        speed++;\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\r\n\r\n\r\n\r\n\r\n\r\n\r\n","created_at":"2019-12-14T10:21:13.813+08:00","updated_at":"2019-12-14T12:03:35.346+08:00","name":"breakout 副本","language":"javascript","screenshot":{"url":"https://cdn3.koding.school/uploads/project/screenshot/113798/a83edc37fce71bcbf1f19ce9fe5aa066.jpg"},"parent_id":60761,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":106,"hashid":"zpes6qdm","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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