貪食蛇_修改版副本 | JavaScript Programming Project

{"id":144101,"student_id":10,"content":"setBackdrop('bg.jpg');\nvar head = createSprite('head.png');\nvar food = createSprite('food.png');\nvar bodies = [];\nvar score = 0;\nvar clock = 0;\nhead.move(20, -20);\nfood.layer = 1;\n\nfood.x = Math.floor(Math.random()*16)*40 + 20;\nfood.y = Math.floor(Math.random()*12)*40 + 20;\n\nsound.play('bgm.mp3', true);\n\nforever(function() {\n    print(score, 10, 10, 'white');\n    \n    var level = Math.floor(score/5);\n    if (level \u003e 9) {\n        level = 9;\n    }\n    \n    clock++;\n    if (clock%(15 - level) == 0) {\n        if (head.touched(food)) {\n            food.x = Math.floor(Math.random()*16)*40 + 20;\n            food.y = Math.floor(Math.random()*12)*40 + 20;\n            var b = createSprite('body.png');\n            b.moveTo(head);\n            bodies.push(b);\n            score++;\n            sound.play('bling.ogg');\n        }\n        if (bodies.length \u003e 0) {\n            var b = bodies.pop();\n            b.moveTo(head);\n            bodies.unshift(b);\n        }\n        head.stepForward(40); \n    }\n    if (key.up \u0026\u0026 head.direction != 180) {\n        head.direction = 0;\n    }\n    if (key.right \u0026\u0026 head.direction != 270) {\n        head.direction = 90;\n    }\n    if (key.down \u0026\u0026 head.direction != 0) {\n        head.direction = 180;\n    }\n    if (key.left \u0026\u0026 head.direction != 90) {\n        head.direction = 270;\n    }\n    if (head.x \u003c 0) {\n        head.x += 640;\n    }\n    if (head.x \u003e 640) {\n        head.x -= 640;\n    }\n    if (head.y \u003c 0) {\n        head.y += 480;\n    }\n    if (head.y \u003e 480) {\n        head.y -= 480;\n    }\n    if (head.touched(bodies)) {\n        stop();\n        print(\"Game over!\", 160, 200, \"white\", 60);\n    }\n});","created_at":"2020-04-27T19:49:32.977+08:00","updated_at":"2020-04-27T19:49:32.977+08:00","name":"貪食蛇_修改版 副本","language":"javascript","screenshot":{"url":null},"parent_id":113104,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":425,"hashid":"d5msjkjm","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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