breakout 副本 | JavaScript 程式專案

{"id":195374,"student_id":3770,"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 = [];\n\nplayer.y = 450;\nball.direction = 80;\ninitBlocks();\n\nforever(function () {\n\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});\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}\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}\n\nball.on('touch', player, function () {\n    ball.direction =- ball.direction + 180\n    ball.direction =+ Math.random() * 30-15;\n    ball.y = player.y - 30;\n});\n\n\nball.on('touch', blocks, function (block) {\n    ball.direction = -ball.direction + 180 + Math.random() * 30-15;\n    block.destroy();\n    score++\n\n    if (score % 30 == 0) {\n        initBlocks();\n        level++;\n    }\n\n\n});\n// for (var j = 0; j \u003c 10; j++) {\n//     for (var i = 0; i \u003c 10; i++) {\n//         console.log(j);\n//         console.log(i);\n//     }\n//     console.log('-----------')\n// }\n\nball.on('touch', blocks, function (block) {\n    if (score % 3 == 0 \u0026\u0026 speed \u003c 15) {\n        speed ++;\n    }\n});","created_at":"2020-10-17T10:11:21.558+08:00","updated_at":"2020-12-19T11:46:13.681+08:00","name":"breakout 副本","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/195374/7b4ee3b598f52683f7dc73e6be67a701.jpg"},"parent_id":60761,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":39,"hashid":"meysw464z","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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