貪食蛇_S 副本 | JavaScript 程式專案

{"id":125095,"student_id":3433,"content":"setBackdrop(\"#eba134\");\r\nvar head = createSprite( \"head.gif\" );\r\nhead.x = 320;\r\nhead.y = 240;\r\nvar food = createSprite('food.gif');\r\nvar score = 0;\r\nvar clock = 0;\r\nvar alive = true;\r\nvar bodies = [];\r\n\r\nforever(function(){\r\n    clock = clock + 1;\r\n    die();\r\n    if(clock % 6 === 0 \u0026\u0026 alive === true){\r\n    playerControl();\r\n    eat();\r\n    move();\r\n    }\r\n    \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            var body = createSprite(\"body.gif\");\r\n            bodies.push(body);\r\n        }\r\n}\r\n function 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\r\nfunction playerControl() {\r\n        if (key.up \u0026\u0026 head.direction != 180) {\r\n            head.direction = 0;\r\n        }\r\n        if (key.down \u0026\u0026 head.direction !== 0) {\r\n            head.direction = 180;\r\n        }\r\n        if (key.left \u0026\u0026 head.direction != 90) {\r\n            head.direction = 270;\r\n        }\r\n        if (key.right \u0026\u0026 head.direction != 270) {\r\n            head.direction = 90;\r\n        }\r\n    }\r\n    \r\n    function die() {\r\n        if (head.touched(bodies) || head.x \u003c 0 || head.x \u003e 640 || head.y \u003c 0 || head.y \u003e 480) {\r\n            alive = false;\r\n            print(\"haaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa!\", 100, 220, 'black', 60);\r\n        }}","created_at":"2020-02-08T13:37:04.207+08:00","updated_at":"2020-02-08T14:41:25.689+08:00","name":"貪食蛇_S 副本","language":"javascript","screenshot":{"url":"https://cdn6.koding.school/uploads/project/screenshot/125095/ec723d1001cf87aadd2c39c0de3ce7ef.jpg"},"parent_id":54317,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":103,"hashid":"36ys939v","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}