breakout 副本 | JavaScript 程式專案

{"id":98384,"student_id":3325,"content":"setBackdrop(\"#142846\");\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 = 390;\nball.direction = 80;\nforever(function() {\n    if (lives\u003e0){\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});\ninitBlocks();\nfunction initBlocks() {\n    for (var j = 0; j \u003c 3; j ++) {\n        for (var i = 0; i \u003c 10; i ++) {\n            var block = createSprite([\"b0.png\", \"b1.png\", \"b2.png\", \"b3.png\", \"b4.png\", \"b5.png\"]);\n            block.costumeId = Math.floor(Math.random()*6);\n            block.x = 32+i*64;\n            block.y = 16+j*32;\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+10;\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+180\n    + Math.random()*30-15;\n    ball.y = player.y-30;\n});\nball.on('touch', blocks, function(block) {\n    ball.direction = -ball.direction+180\n    + Math.random()*30-15;\n    block.destroy();\n    score++;\n    if (score%3 === 0 \u0026\u0026 speed \u003c 15) {\n        speed++;\n    }\n    if (score%30 === 0) {\n        initBlocks();\n        level++;\n    }\n});","created_at":"2019-09-28T16:15:55.493+08:00","updated_at":"2019-09-28T17:40:21.213+08:00","name":"breakout 副本","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/98384/f8baa3602ae91a455a0db3cf7a935566.jpg"},"parent_id":60761,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":150,"hashid":"9ygs32p4","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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