1 | JavaScript 程式專案 | 橘蘋學習平台

{"id":15426,"student_id":168,"content":"var block = []\nfor (var x = 0; x \u003c 16; x++) {\n    block[x] = [];\n    for (var y = 0; y \u003c 12; y++) {\n        block[x][y] = [];\n        for (var a = 0; a \u003c 4; a++) {\n            block[x][y][a] = true\n        }\n        block[x][y][4] = \"white\"\n    }\n}\nvar nowx = 0\nvar nowy = 0\nblock[0][0][4] = \"blue\"\n\nforever(function() {\n    for (var x = 0; x \u003c 16; x++) {\n        for (var y = 0; y \u003c 12; y++) {\n            for (var a = 0; a \u003c 4; a++) {\n                if (block[x][y][a] == true) {\n                    pen.size = 5\n                    pen.color = \"black\"\n                    if (a == 0) {\n                        pen.drawLine(x*40, y*40, (x+1)*40, y*40)\n                    }\n                    if (a == 1) {\n                        pen.drawLine((x+1)*40, y*40, (x+1)*40, (y+1)*40)\n                    }\n                    if (a == 2) {\n                        pen.drawLine((x+1)*40, (y+1)*40, x*40, (y+1)*40)\n                    }\n                    if (a == 3) {\n                        pen.drawLine(x*40, (y+1)*40, x*40, y*40)\n                    }\n                }\n                pen.size = 0.001;\n                pen.fillColor = block[x][y][4];\n                pen.drawRect(x*40, y*40, 40, 40);\n            }\n        }\n    }\n    var nexts = getNexts();\n    if (nexts.length \u003e 0) {\n        var rand = Math.floor(Math.random()*nexts.length);\n        if (nexts[rand] == 0) {\n            block[nowx][nowy][0] = false\n            nowy -= 1\n            block[nowx][nowy][2] = false\n            block[nowx][nowy][4] = \"blue\"\n        }\n        if (nexts[rand] == 1) {\n            block[nowx][nowy][1] = false\n            nowx += 1\n            block[nowx][nowy][3] = false\n            block[nowx][nowy][4] = \"blue\"\n        }\n        if (nexts[rand] == 2) {\n            block[nowx][nowy][2] = false\n            nowy += 1\n            block[nowx][nowy][0] = false\n            block[nowx][nowy][4] = \"blue\"\n        }\n        if (nexts[rand] == 3) {\n            block[nowx][nowy][3] = false\n            nowx -= 1\n            block[nowx][nowy][1] = false\n            block[nowx][nowy][4] = \"blue\"\n        }\n    } else {\n        if ((block[nowx][nowy][0] == false) \u0026\u0026 (block[nowx][nowy-1][4] != \"yellow\") \u0026\u0026 (nowy \u003e 0)) {\n            block[nowx][nowy][4] = \"yellow\"\n            nowy -= 1\n        }\n        if ((block[nowx][nowy][1] == false) \u0026\u0026 (block[nowx+1][nowy][4] != \"yellow\") \u0026\u0026 (nowx \u003c 15)) {\n            block[nowx][nowy][4] = \"yellow\"\n            nowx += 1\n        }\n        if ((block[nowx][nowy][2] == false) \u0026\u0026 (block[nowx][nowy+1][4] != \"yellow\") \u0026\u0026 (nowy \u003c 11)) {\n            block[nowx][nowy][4] = \"yellow\"\n            nowy += 1\n        }\n        if ((block[nowx][nowy][3] == false) \u0026\u0026 (block[nowx-1][nowy][4] != \"yellow\") \u0026\u0026 (nowx \u003e 0)) {\n            block[nowx][nowy][4] = \"yellow\"\n            nowx -= 1\n        }\n    }\n    pen.fillColor = 'red';\n    pen.drawRect(nowx*40, nowy*40, 40, 40);\n});\n\n\nfunction getNexts () {\n    var arr = [];\n    if (nowy \u003e 0 \u0026\u0026 block[nowx][nowy-1][4] == 'white') {\n        arr.push(0)\n    }\n    if (nowx \u003c 15 \u0026\u0026 block[nowx+1][nowy][4] == 'white') {\n        arr.push(1)\n    }\n    if (nowy \u003c 11 \u0026\u0026 block[nowx][nowy+1][4] == 'white') {\n        arr.push(2)\n    }\n    if (nowx \u003e 0 \u0026\u0026 block[nowx-1][nowy][4] == 'white') {\n        arr.push(3)\n    }\n    return arr;\n}","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-01T12:31:54.753+08:00","name":"1","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/15426/4ae27d539f2f582300152066d159233d.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":170,"hashid":"qmds84zp","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}