貪食蛇_T | JavaScript Programming Project | OrangeApple Learning Platform

{"id":7485,"student_id":10,"content":"setBackdrop('black');\n\nvar head = createSprite( \"head.gif\" );\nvar food = createSprite( \"food.gif\" );\nvar bodies = [];\nvar score = 0;\nvar clock = 0;\n\n\nforever(function(){\n    // 在這裡的程式碼會不斷執行\n    if(clock%8==0){\n        var lastBody = bodies.pop();\n        if(lastBody){\n        \tlastBody.x = head.x;\n        \tlastBody.y = head.y;\n            bodies.unshift(lastBody);\n        }\n    \thead.stepForward(16);\n       \tif( head.touched(food) ){\n            score = score + 1;\n            food.x = Math.random()*640;\n            food.y = Math.random()*480;\n\t\t\tvar body = createSprite( \"body.gif\" );\n            body.x = head.x;\n            body.y = head.y;\n            bodies.push( body );\n        }\n        if( head.touched(bodies) || head.x\u003c0 || head.x\u003e640 || head.y\u003c0 || head.y\u003e480 ){\n    \t\tprint(\"Game over!\",160,200,\"white\",60);\n        \tstop();\n        }\n    }\n    clock = clock + 1;\n    print(score,20,20,\"white\");\n});\n\n// 當按下鍵盤的「右方向鍵」時\nwhen(\"keydown\", \"right\", function(){\n\thead.direction = 90;\n});\nwhen(\"keydown\", \"up\", function(){\n\thead.direction = 0;\n});\nwhen(\"keydown\", \"down\", function(){\n\thead.direction = 180;\n});\nwhen(\"keydown\", \"left\", function(){\n\thead.direction = 270;\n});","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-12-16T15:49:46.818+08:00","name":"貪食蛇_T","language":"javascript","screenshot":{"url":"/uploads/project/screenshot/7485/143e7c3922b0f2ec1802ef7dd2b44d43.jpg"},"parent_id":2,"plugin":"","description":"","note":"","status":"public","like_student_ids":[10,172,871,109,3090,3201,4728,2162,1921],"is_featured":false,"views":1681,"hashid":"qmdsyzr","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}