breakout 副本 | JavaScript 程式專案

{"id":131489,"student_id":3469,"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\n\nplayer.y = 450;\nball.direction = 180;\n\ninitBlock();\n\n\n\n\nforever(function () {\n    print(\"Score: \" + score, 20, 20, \"white\");\n    print(\"Lives: \" + lives, 20, 40, \"white\");\n    print(\"Level: \" + level, 20, 60, \"white\");\n    if (lives \u003e 0) {\n        player.x = cursor.x;\n        updateBall();\n    } \n    else {\n        print('Game Over', 170, 200, 'white', 60);\n    }\n});\n\n\nball.on(\"touch\", player, function(){\n    ball.direction = -ball.direction + 180 + 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    if (score % 5 === 0 \u0026\u0026 speed \u003c 15) {\n        speed += 0.25;\n    }\n    if (score % 30 === 0) {\n        initBlock();\n        level++;\n    }\n});\n\n\n\n\nfunction initBlock() {\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 + 64 * i;\n            block.y = 16 + 32 * j;\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        speed = 5;\n        lives --;\n    }\n}\n\n\n\n\n","created_at":"2020-03-08T13:42:25.154+08:00","updated_at":"2023-02-04T11:22:55.347+08:00","name":"breakout 副本","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/131489/66f6c64cc35a44c3a9f8b092d86bdc7c.jpg"},"parent_id":60761,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":89,"hashid":"gk4s38nw","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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