貪食蛇_S 副本 | JavaScript 程式專案

{"id":269601,"student_id":3795,"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.x = 320;\r\n    head.y = 240;\r\nvar food = createSprite(\"food.gif\");\r\n    food.x = Math.random()*640;\r\n    food.y = Math.random()*480;\r\nvar clock = 0;\r\nvar score = 0;\r\nvar bodies = [];\r\nvar period = 10;\r\nforever(function(){\r\n    // 在這裡的程式碼會不斷執行\r\n    print(bodies.length, 10, 10, \"white\")\r\n    clock = clock + 1;\r\n    //console.log(clock);\r\n    //clock += 1;\r\n    if (clock % 6 === 0) {\r\n        playerControl();\r\n        eat();\r\n        move();\r\n        checkGameover();\r\n    }\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 = score + 1;\r\n    \r\n    var body = createSprite(\"body.gif\");\r\n    bodies.push(body);\r\n    }\r\n    if (score%5 === 0) {\r\n        period -= 1;\r\n    }\r\n}\r\n\r\nfunction move(){\r\n    if (bodies.length \u003e 0) {\r\n        var laseBody = bodies.pop();\r\n        laseBody.x = head.x;\r\n        laseBody.y = head.y;\r\n        bodies.unshift(laseBody);\r\n    }\r\n    head.stepForward(16);\r\n}\r\nfunction playerControl(){ \r\n    if (key.up \u0026\u0026 head.direction != 270) {\r\n        head.direction = 0;\r\n    }\r\n    if (key.right \u0026\u0026 head.direction != 90){\r\n        head.direction = 90;\r\n    }\r\n    if (key.left \u0026\u0026 head.direction != 180) {\r\n        head.direction = -90;\r\n    }\r\n    if (key.down \u0026\u0026 head.direction !== 0) {\r\n        head.direction = 180;\r\n    }\r\n}\r\nfunction checkGameover(){\r\n    if (head.touched(bodies)|| head.x \u003c 0|| head.x \u003e 640 || head.y \u003c 0 || head.y \u003e 480) {\r\n        stop();\r\n        print(\"Game Over\", 200, 200, \"white\", 60);\r\n    }\r\n}\r\n\r\n\r\n\r\n// 當按下鍵盤的「右方向鍵」時\r\n//when(\"keydown\", \"right\", function(){\r\n//\thead.direction = 90;\r\n//});","created_at":"2021-07-03T18:33:39.511+08:00","updated_at":"2021-11-27T11:44:28.451+08:00","name":"貪食蛇_S 副本","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/269601/fc8bdec730bc22bdda766cc7ed3478f2.jpg"},"parent_id":54317,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[3795],"is_featured":false,"views":36,"hashid":"qmds823dw","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}