如何开启Playgrounds 学习编程2 初始化 关卡

[[{"txt": "\u8fd9\u662f\u4e00\u4e2a\u3010\u8fc7\u6e21\u3011\u5173\u5361ipad \u4e0aPlaygrounds \u662f\u5229\u7528swift 5.1 \u8bed\u8a00\u8fdb\u884c\u7f16\u7a0b\uff0c\u8fdb\u884c\u6311\u6218\u7684\u7f16\u7a0b\u5c0f\u6e38\u620f\uff0c\u5bf9\u73b0\u5728\u5bf9\u3010\u7c7b\u578b-\u5f00\u5173\u4f20\u9001\u95e8\u3011 \u8fdb\u884c\u901a\u5173\u7ecf\u9a8c\u8bb2\u8ff0\u3002"}], [{"txt": ["\u5de5\u5177/\u539f\u6599"]}, {"txt": "ipad \u5b89\u88c5Playgrounds"}, {"txt": "Playgrounds \u5b89\u88c5\u4e86 \u5b66\u4e60\u7f16\u7a0b2"}], [{"txt": ["\u65b9\u6cd5/\u6b65\u9aa4"]}, {"txt": "\u8fd9\u662f\u4e00\u4e2a\u8fc7\u6e21\u5173\u5361\uff0c\u6559\u4f1a\u5c0f\u4f19\u4f34\u5982\u4f55\u5bf9\u7a0b\u5e8f\u8fdb\u884c\u3010\u521d\u59cb\u5316\u3011"}, {"img": ["https://exp-picture.cdn.bcebos.com/e4b5e2f5ee0d3acee68cfdd887e265e7350fbbf2.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u4f20\u9001\u95e8\u5177\u6709Portal \u8fd9\u4e2a\u3010\u7c7b\u578b\u3011\uff0c\u4e0e\u6b64\u7c7b\u4f3c\uff0c\u4f60\u7684\u89d2\u8272\u5177\u6709Character \u8fd9\u4e2a\u7c7b\u578b\u3002\u4f60\u7528\u4ee3\u7801\u63a7\u5236\u7684\u89d2\u8272\u5c31\u662f\u8be5\u7c7b\u578b\u7684\u4e00\u4e2a\u3010\u5b9e\u4f8b\u3011Portal \u7c7b\u578b\u53ef\u4ee5\u6709 bluePotral\u3001greenPortal \u5b9e\u4f8bCharacter \u7c7b\u578b\u53ef\u4ee5\u6709 \u5c0f\u7eff\u4ed4\u3001\u5c0f\u7ea2\u4ed4 \u5b9e\u4f8b"}, {"img": ["https://exp-picture.cdn.bcebos.com/777f3fc2bbd6e1d035b315d20d254193cfe8aff2.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u73b0\u5728\u4f60\u53ef\u4ee5\u63a7\u5236\u4e00\u4e2a\u65b0\u7684\u89d2\u8272\u3010\u7c7b\u578b\u3011\uff1aExpert\u3002Expert \u7c7b\u578b\u62e5\u6709\u4e8eCharacter \u7c7b\u578b\u4e00\u6837\u7684\u80fd\u529b\uff0c\u4f46\u5b83\u8fd8\u6709\u4e00\u4e2a\u65b0\u6280\u80fd\uff0c\u5373turnLockUp()Character \u7c7b\u578b\u7684\u65b9\u6cd5\u53ef\u4ee5\u6709\uff1amoveForward()turnLeft()collectGem()toggleSwitch()Expert \u7c7b\u578b\u7684\u65b9\u6cd5\u53ef\u4ee5\u591a\u4e00\u4e2a\uff1aturnLockUp()\u867d\u7136\u8fd8\u4e0d\u77e5\u9053\u8fd9\u4e2a\u65b9\u6cd5\u6709\u5565\u7528\uff0c\u4e00\u4f1a\u513f\u53ef\u4ee5\u8bd5\u8bd5"}, {"img": ["https://exp-picture.cdn.bcebos.com/d04eec260d9a310e74c2669931b842406bfea2f2.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u82e5\u8981\u521b\u5efa\u4e00\u4e2a\u4e13\u5bb6\u5b9e\u4f8b\uff0c\u4f60\u8981\u5148\u4f7f\u7528\u3010let\u3011\u58f0\u660e\u4e00\u4e2a\u5e38\u91cf\uff0c\u7136\u540e\u4f7f\u7528\u7c7b\u578b\u540d\u79f0\u518d\u52a0\u4e0a() \u6765\u8fdb\u884c\u521d\u59cb\u5316\u3002let expert = Expert()let \u662f\u58f0\u660e\uff0cExpert() \u662f\u521d\u59cb\u5316\u6ce8\u610f\uff1alet \u540e\u9762\u8ddf\u7740\u4e00\u4e2a\u5e26\u201c()\u201d \u7684\u7c7b\u578b\uff0c\u4e0d\u50cf\u4ee5\u524d\u5b57\u7b26\u4e32\u6216\u6570\u5b57\u7c7b\u578b\uff0c\u662f\u521d\u59cb\u5316"}, {"img": ["https://exp-picture.cdn.bcebos.com/94af5fc1b727ac5368d31e9f2ecadce8914899f2.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "let expert = Expert()expert.turnLockup()\u82e5\u8981\u8c03\u7528\u65b9\u6cd5\uff0c\u8bf7\u4f7f\u7528\u70b9\u8bb0\u6cd5\u6765\u5f15\u7528\u3010\u5b9e\u4f8b\u3011\uff0c\u7136\u540e\u8c03\u7528\u8981\u4f7f\u7528\u7684\u3010\u65b9\u6cd5\u3011\u6ce8\u610f\uff1a\u4f60\u5fc5\u987b\u5148\u521d\u59cb\u5316 expert\uff0c\u624d\u80fd\u7ed9\u5b83\u4e0b\u53d1\u8bf8\u5982moveForward() \u7684\u6307\u4ee4\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/76b6860e5f2043712780b993323acd8921c58ff2.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}], [{"txt": ["\u6ce8\u610f\u4e8b\u9879"]}, {"txt": "\u4ee3\u7801\u7684\u8f93\u5165\u4f1a\u7531\u4e8eiPad \u578b\u53f7\u7684\u65b0\u65e7\uff0c\u51fa\u73b0\u5361\u987f\uff0c\u7b49\u4e00\u4e0b\u5c31\u884c\u3002"}, {"txt": "Mac \u4e0a\u7684Playground \u8c8c\u4f3c\u4e5f\u53ef\u4ee5\u8fd0\u884c\uff0c\u4e0d\u8fc7Mac \u4f1a\u975e\u5e38\u70eb\u3002"}, {"txt": "\u4f30\u8ba1\u4e00\u4f1a\u5c0f\u7eff\u4ed4\u548c\u5c0f\u7ea2\u4f1a\u8fdb\u884c\u914d\u5408"}]]