貪食蛇_S 副本 | JavaScript 程式專案

{"id":190343,"student_id":6762,"content":"// 將背景設定為黑色\r\nsetBackdrop(\"#000000\");\r\n// 用 \"head.gif\" 創造一個角色\r\nvar head = createSprite( \"head.gif\" );\r\n    head.y = 240;\r\n    head.x = 320;\r\nvar clock = 0;\r\nvar score = 0;\r\nvar bodies = [];\r\nvar food = createSprite( \"food.gif\" )\r\n    food.x = Math.random()* 640;\r\n    food.y = Math.random()* 480;\r\nforever(function(){\r\n     eat();\r\n     console.log(clock);\r\n     clock += 1;\r\n     if(clock % 6 == 0){\r\n        move();\r\n        playerConcrol();\r\n}});\r\nfunction move(){\r\n    if(bodies.length \u003e 0){\r\n        var lastbody = bodies.pop();\r\n        lastbody.x = head.x;\r\n        lastbody.y = head.y;\r\n        bodies.unshift(lastbody);\r\n    }\r\n    head.stepForward(16);\r\n}\r\n// 當按下鍵盤的「右方向鍵」時\r\nwhen(\"keydown\", \"right\", function(){\r\n\thead.direction = 90;\r\n});\r\nfunction playerConcrol(){\r\n    if(key.up){\r\n        head.direction = 0;\r\n    }\r\n    if(key.down){\r\n        head.direction = 180;\r\n    }\r\n    if(key.right){\r\n        head.direction = 90;\r\n    }\r\n    if(key.left){\r\n        head.direction = 270;\r\n    }}\r\nfunction eat(){\r\n    if(head.touched(food)){\r\n        food.x = Math.random()* 640;\r\n        food.y = Math.random()* 480;\r\n        score += 1;\r\n        var body = createSprite(\"body.gif\")\r\n        bodies.push(body);\r\n    }\r\n}","created_at":"2020-09-12T09:58:52.579+08:00","updated_at":"2021-04-10T18:42:34.849+08:00","name":"貪食蛇_S 副本","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/190343/31406e26074092b6b6a6ac9d6c1bf8a4.jpg"},"parent_id":54317,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":11,"hashid":"ej9sjrgj","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}