breakout 副本 | JavaScript 程式專案

{"id":104359,"student_id":3311,"content":"setBackdrop(\"#222222\");\nvar player = createSprite(\"player.png\"); // 建立玩家檔板\nvar ball = createSprite(\"ball.png\"); // 建立球\nvar score = 0;\nvar lives = 3;\nvar speed = 5;\nvar level = 1;\nvar blocks = [];\nplayer.y = 450;\nball.direction = 80;\n\n\ninitBlock();\nforever(function () {\n    if (lives \u003e 0) {\n        player.x = cursor.x;\n        updateBall();\n    }else{\n        print(\"Game Over\", 170, 200, \"white\" ,60);\n     }\n    print(\"Score: \" + score, 20, 20, \"white\");\n    print(\"Lives: \" + lives, 20, 40, \"white\");\n    print(\"Level: \" + level, 20, 60, \"white\");\n});\nfunction initBlock() {\n    for (var v = 0; v \u003c 3; v++) {\n        for (var i = 0; i \u003c 10; i++) {\n            var block = createSprite([\"b0.png\", \"b1.png\", \"b2.png\",\n                \"b3.png\", \"b4.png\", \"b5.png\"]);\n            block.costumeId = Math.floor(Math.random()*6);\n            block.x = 32+64*i;\n            block.y = 16+32*v;\n            blocks.push(block);\n        }\n    }\n}\nfunction updateBall() {\n    ball.stepForward(speed);\n    if (ball.x \u003c= 0 || ball.x \u003e= 640) {\n        ball.direction = -ball.direction;\n    }\n    if (ball.y \u003c= 0) {\n        ball.direction = -ball.direction+180;\n    }\n    if (ball.y \u003e= 480) {\n        ball.x = 320;\n        ball.y = 240;\n        ball.direction = 180;\n        speed = 5;\n        lives--;\n    }\n}\nball.on(\"touch\", player, function() {\n    ball.direction = -ball.direction + Math.random() * 30 + 15;\n    ball.y = player.y - 60;\n});\n\nball.on(\"touch\", blocks, function(block) {\n    ball.direction = -ball.direction + Math.random() * 60 - 15;\n    block.destroy();\n    score++;\n    if (score % 30 === 0  \u0026\u0026 speed \u003c 15) {\n        initBlock();\n        level++;\n    }\n});\n","created_at":"2019-11-02T13:46:30.351+08:00","updated_at":"2025-01-01T09:08:58.980+08:00","name":"breakout 副本","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/104359/13677db5be7a8acfef1188b25f17b0d3.jpg"},"parent_id":60761,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":141,"hashid":"882s2ew3","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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