breakout 副本 | JavaScript 程式專案

{"id":188185,"student_id":3760,"content":"setBackdrop(\"#222222\");\r\nlet player = createSprite(\"player.png\"); // 建立玩家檔\r\nlet ball = createSprite(\"ball.png\"); // 建立球\r\nlet score = 0;\r\nlet lives = 3;\r\nlet speed = 5;\r\nlet level = 1;\r\nlet blocks = [];\r\n\r\nplayer.y = 450;\r\nball.direction = 180;\r\n\r\ninitBlocks();\r\n\r\nforever(function () {\r\n    if (lives) {\r\n        updatePlayer();\r\n        updateBall();\r\n    }\r\n    else {\r\n        print(\"Game Over\", 170, 200, \"red\", 60);\r\n        stop();\r\n    }\r\n    \r\n    print(\"Score: \" + score, 20, 400, \"white\");\r\n    print(\"Lives: \" + lives, 20, 420, \"white\");\r\n    print(\"Level: \" + level, 20, 440, \"white\");\r\n});\r\n\r\nfunction initBlocks() {\r\n    for (let i=0; i\u003c3; i++) {\r\n        for (let j=0; j\u003c10; j++) {\r\n            let block = createSprite([\"b0.png\", \"b1.png\", \r\n                                      \"b2.png\", \"b3.png\", \r\n                                      \"b4.png\", \"b5.png\"]);\r\n            block.costumeId = Math.floor(Math.random()*6);\r\n            block.x = 32 + j*64;\r\n            block.y = 16 + i*32\r\n            blocks.push(block);\r\n        }\r\n    }\r\n}\r\n\r\nfunction updatePlayer() {\r\n    player.x = cursor.x;\r\n}\r\n\r\nfunction updateBall() {\r\n    ball.stepForward(speed);\r\n    if (ball.x\u003c0 || ball.x\u003e640) {\r\n        ball.direction *= -1;\r\n    }\r\n    \r\n    if (ball.y \u003c= 0) {\r\n        ball.direction = -ball.direction+180;\r\n    }\r\n    \r\n    if (ball.y \u003e= 480) {\r\n        ball.x = 320;\r\n        ball.y = 240;\r\n        ball.direction = 180;\r\n        speed = 5;\r\n        lives -= 1;\r\n    }\r\n}\r\n\r\nball.on(\"touch\", player, function() {\r\n    ball.y = player.y - 30;\r\n    ball.direction = -ball.direction+180+Math.random()*30-15;\r\n});\r\n\r\nball.on(\"touch\", blocks, function(block) {\r\n    ball.direction = -ball.direction+180+Math.random()*30-15;\r\n    score++;\r\n    block.destroy();\r\n    \r\n    if (score%30===0) {\r\n        initBlocks();\r\n        level++;\r\n    } \r\n    \r\n    if (score%3===0 \u0026\u0026 speed\u003c15) \r\n        speed++;\r\n});\r\n\r\n","created_at":"2020-09-05T03:55:16.025+08:00","updated_at":"2021-07-28T22:38:17.010+08:00","name":"breakout 副本","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/188185/07e7f92e6724ebc05f1b352f2db36874.jpg"},"parent_id":60761,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":106,"hashid":"rdvsezkd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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