breakout 副本 | JavaScript 程式專案

{"id":126043,"student_id":3302,"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 = 2;\nvar level = 1;\nvar blocks = [];\nplayer.y = 450;\nball.direction = Math.random()*180+90;\ninitBlocks();\nforever(function () {\n    if (lives\u003e0) {\n        player.x=cursor.x;\n        uptdteBall();\n    } else {\n        print(\"game over\",170,200,\"white\",60)\n    }\n\n\n    print(\"Score: \" + score, 20, 20, \"white\");\n    print(\"Lives: \" + lives, 20, 40, \"white\");\n    print(\"Level: \" + level, 20, 60, \"white\");\n});\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 uptdteBall() {\n    ball.stepForward(speed);\n    if (ball.x \u003c= 15 || ball.x \u003e= 625) {\n        ball.direction = -ball.direction+Math.random()*100-50;\n    }\n\n    if (ball.y \u003c= 0) {\n        ball.direction=-ball.direction+180+Math.random()*100-50;\n    }\n\n    if (ball.y \u003e= 480) {\n        ball.x = 320;\n        ball.y = 240;\n        ball.direction = Math.random()*180+180;\n        speed = 2;\n        lives--;\n    }\n    \n    ball.on('touch', player, function() {\n       ball.direction=-ball.direction+180+Math.random()*100-50;\n       ball.y=player.y-30;\n      \n    });\n    ball.on('touch', blocks, function(block) {\n       ball.direction=-ball.direction+180+Math.random()*100-50;\n       block.destroy();\n       score++;\n      if(score%30===0){\n          initBlocks();\n          level++;\n      } \n      if(score%5===0\u0026\u0026 speed\u003c10){\n          speed++;\n      }\n    });\n}\n","created_at":"2020-02-12T19:53:15.232+08:00","updated_at":"2020-02-26T20:07:32.831+08:00","name":"breakout 副本","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/126043/4efbc377ce9376ce76dac40237f6fa9e.jpg"},"parent_id":60761,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":181,"hashid":"d5ms4zrv","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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