迷宮產生器副本 | JavaScript 程式專案

{"id":39179,"student_id":173,"content":"// 挖洞機的 x, y 位置\nvar x = 0;\nvar y = 0;\n\n// 預設起始點被挖掘過\nmaze[0][0].color = 'lightblue';\n\nforever(function() {\n    pen.fillColor = 'red';\n    pen.drawRect(x*width + 1, y*width + 1, width - 2, width - 2);\n    var next =  getNeighbors(x,y)\n    var num=Math.floor(Math.random()*next.length)\n    var last\n   \n            if (next[num]==\"bottom\") {\n                \n                maze[x][y].bottom=true\n                y += 1\n                maze[x][y].top=true\n                last=\"bottom\"\n            } else if (next[num]==\"right\") {\n                \n                maze[x][y].right=true\n                x+=1\n                maze[x][y].left=true\n                last=\"right\"\n            }else if(next[num]==\"top\"){\n           \n                maze[x][y].top=true\n                 y-=1\n                maze[x][y].bottom=true\n                last=\"top\"\n            }else if(next[num]==\"left\"){\n               \n                maze[x][y].left=true\n                 x-=1\n                maze[x][y].right=true\n                last=\"left\"\n            }else{\n           maze[x][y].color=\"yellow\"\n    if(maze[x][y].right==true\u0026\u0026maze[x+1][y].color==\"lightblue\"){\n        x+=1\n    }else if(maze[x][y].left==true\u0026\u0026maze[x-1][y].color==\"lightblue\"){\n        x-=1\n    }else if(maze[x][y].bottom==true\u0026\u0026maze[x][y+1].color==\"lightblue\"){\n        y+=1\n    }else if(maze[x][y].top==true\u0026\u0026maze[x][y-1].color==\"lightblue\"){\n        y-=1\n    }\n               \n            }\n            \n        \n    maze[x][y].color = 'lightblue';\n    \n});\n\n// 取得四個方向中可以挖掘的方向\nfunction getNeighbors (x, y) {\n    a = []\n    if(x\u003c31\u0026\u0026maze[x+1][y].color=='white'){\n        a.push(\"right\")\n    }\n    if(x\u003e0\u0026\u0026maze[x-1][y].color=='white'){\n        a.push(\"left\")\n    }\n    if(y\u003e0\u0026\u0026maze[x][y-1].color=='white'){\n        a.push(\"top\")\n    }\n    if(y\u003c23\u0026\u0026maze[x][y+1].color=='white'){\n        a.push(\"bottom\")\n    }\n   \n    return(a)\n}","created_at":"2018-08-18T21:45:43.270+08:00","updated_at":"2019-10-31T04:01:48.219+08:00","name":"迷宮產生器 副本","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/39179/e88691dd826da45ad147f229e23df92b.jpg"},"parent_id":31658,"plugin":"var maze = [];\nvar width = 20;\nvar row = 640/width;\nvar col = 480/width;\n\nfor (var x = 0; x \u003c row; x++) {\n    maze[x] = [];\n    for (var y = 0; y \u003c col; y++) {\n        maze[x][y] = {\n            color: 'white',\n            top: false,\n            right: false,\n            bottom: false,\n            left: false\n        };\n    }\n}\n\nforever(function() {\n    for (var cx = 0; cx \u003c row; cx++) {\n        for (var cy = 0; cy \u003c col; cy++) {\n            \n            var cell = maze[cx][cy];\n            pen.size = 0.001;\n            pen.fillColor = cell.color;\n            pen.drawRect(cx*width, cy*width, width, width);\n            \n            pen.size = 1;\n            var x = cx*width;\n            var y = cy*width;\n            if (!cell.top) pen.drawLine(x, y, x + width, y);\n            if (!cell.right) pen.drawLine(x + width, y, x + width, y + width);\n            if (!cell.bottom) pen.drawLine(x, y + width, x + width, y + width);\n            if (!cell.left) pen.drawLine(x, y + width, x, y);\n        }\n    }\n});","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":117,"hashid":"yeys449d","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}