\u4e0d\u540c\u65bc\u50b3\u7d71\u7a0b\u5e8f\u5f0f\u5c0e\u5411\u7684\u7a0b\u5f0f\u8a2d\u8a08\u65b9\u5f0f\u628a\u7a0b\u5f0f\u78bc\u548c\u8981\u8655\u7406\u7684\u8cc7\u6599\u5206\u958b\u5c0d\u5f85\uff0c\u5728\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u7684\u89c0\u5ff5\u4e2d\uff0c\u662f\u4ee5\u8cc7\u6599\u70ba\u4e2d\u5fc3\u7684\u8655\u7406\u65b9\u5f0f\uff0c\u5148\u601d\u8003\u8981\u89e3\u6c7a\u7684\u554f\u984c\u9700\u8981\u54ea\u4e9b\u8cc7\u6599\u7d50\u69cb\uff0c\u63a5\u8457\u8a2d\u8a08\u8655\u7406\u9019\u500b\u8cc7\u6599\u7684\u65b9\u6cd5\uff0c\u63d0\u4f9b\u5916\u90e8\u4e00-\u500b\u4ecb\u9762\u7528\u4f86\u5b58\u53d6\u9019\u4e9b\u8cc7\u6599\uff0c\u8b93\u89e3\u6c7a\u554f\u984c\u7684\u904e\u7a0b\u66f4\u52a0\u5730\u805a\u7126\u5728\u8981\u89e3\u6c7a\u7684\u8cc7\u6599\u4e0a\u3002<\/p>\n\n\n\n
\u4ee5\u79fb\u52d5\u7684\u6c7d\u8eca\u70ba\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u8981\u8a2d\u8a08\u4e00\u500b\u7531\u73a9\u5bb6\u63a7\u5236\u7684\u6c7d\u8eca\u7269\u4ef6\uff0c\u9019\u53f0\u6c7d\u8eca\u53ea\u80fd\u5728\u7b2c4\u5217\uff08\u5225\u5fd8\u4e86\u662f\u5f9e0\u958b\u59cb\u6578\uff09\u4e2d\u79fb\u52d5\uff0c\u4e00\u958b\u59cb\u5efa\u7acb\u6b64\u7269\u4ef6\u6642\u8981\u8a2d\u5b9a\u5b83\u7684\u521d\u59cb\u4f4d\u7f6e\uff0c\u5728\u7522\u751f\u9019\u500b\u7269\u4ef6\u7684\u5be6\u4f8b\u4e4b\u5f8c\u5373\u6703\u628a\u81ea\u5df1\u756b\u5728\u6307\u5b9a\u7684\u4f4d\u7f6e\u4e0a\uff0c\u4e26\u63a5\u53d7\u7a0b\u5f0f\u6307\u4ee4move_left\u548cmove_right\uff0c\u8b93\u81ea\u5df1\u5411\u5de6\u79fb\u52d51\u683c\u6216\u662f\u5411\u53f3\u79fb\u52d5\u4e00\u683c\u3002<\/p>\n\n\n\n
\u4f9d\u64da\u4e0a\u8ff0\u7684\u5b9a\u7fa9\uff0c\u628a\u9019\u500b\u6c7d\u8eca\u985e\u5225\u53eb\u505aCar\uff0c\u5b83\u9700\u8981\u5132\u5b58\u7684\u8cc7\u6599\u7d50\u69cb\u53ea\u6709pos\u548cold\u9019\u5169\u500b\u8b8a\u6578\uff0c\u4e5f\u5c31\u662f\u8a18\u9304\u81ea\u5df1\u7684x\u5ea7\u6a19\uff08y\u5ea7\u6a19\u5df2\u56fa\u5b9a\u5728\u7b2c4\u5217\u4e0a\uff09\uff0c\u4e00\u958b\u59cb\u7684\u985e\u5225\u5b9a\u7fa9\u5982\u4e0b\uff1a<\/p>\n\n\n\n
class Car():\r\n def __init__(self, pos=2):\r\n self.pos = pos\r\n self.old = pos\r\n display.set_pixel(self.pos, 4, 9)<\/code><\/pre>\n\n\n\n\u5728\u9019\u500b\u985e\u5225\u5b9a\u7fa9\u4e2d\uff0c__init__\u662f\u521d\u59cb\u5316\u51fd\u6578\uff0c\u6bcf\u4e00\u500b\u985e\u5225\u5b9a\u7fa9\u90fd\u8981\u6709\u4e00\u500b\uff0c\u800c\u5728\u6b64\u51fd\u6578\u7684\u53c3\u6578\u5217\u8868\u4e2d\uff0cself\u662f\u56fa\u5b9a\u4e00\u5b9a\u8981\u6709\u7684\u53c3\u6578\uff0c\u5b83\u7684\u5f8c\u9762\u5247\u662f\u4f9d\u9700\u6c42\u5728\u6c7a\u5b9a\uff0c\u800c\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u52a0\u4e0a\u4e00\u500bpos\u53c3\u6578\uff0c\u8b93\u6b64\u985e\u5225\u5728\u5efa\u7acb\u7684\u6642\u5019\u53ef\u4ee5\u6307\u5b9a\u6c7d\u8eca\u4e00\u958b\u59cb\u7684\u4f4d\u7f6e\uff0c\u5982\u679c\u5728\u5efa\u7acb\u6b64\u7269\u4ef6\u6642\u6c92\u6709\u6307\u5b9apos\u7684\u8a71\uff0c\u5247\u9810\u8a2d\u662f\u57282\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n
\u7b2c3\u884c\u7684\u5730\u65b9\u8a2d\u5b9aself.pos = pos\uff0c\u7b2c4\u884c\u7684\u5730\u65b9\u8a2d\u5b9aself.old = pos\uff0c\u4e5f\u5c31\u662f\u8b93\u4e00\u958b\u59cb\u7684\u65b0\u820a\u4f4d\u7f6e\u90fd\u6307\u5b9a\u7269\u4ef6\u5efa\u7acb\u6642\u6240\u5728\u7684\u4f4d\u7f6e\uff0c\u65b9\u4fbf\u4e4b\u5f8c\u7684\u79fb\u52d5\u6548\u679c\uff08\u4e5f\u5c31\u662f\u5728\u79fb\u52d5\u5230\u65b0\u7684\u4f4d\u7f6e\u6642\uff0c\u8981\u628a\u820a\u7684\u4f4d\u7f6e\u7684\u8eca\u5b50\u522a\u9664\uff09\u3002\u7b2c5\u884c\u5229\u7528set_pixel\u9ede\u4eae\u8eca\u5b50\u6240\u5728\u7684\u4f4d\u7f6e\uff0c\u793a\u610f\u51fa\u8eca\u5b50\u7684\u5916\u89c0\u3002<\/p>\n\n\n\n
\u6709\u4e86\u521d\u59cb\u5316\u7684\u64cd\u4f5c\u4e5f\u77e5\u9053\u76ee\u524d\u8eca\u5b50\u7684\u4f4d\u7f6e\u4e4b\u5f8c\uff0c\u63a5\u4e0b\u4f86\u8981\u6709\u4e00\u500bmove_left\u548cmove_right\u7684\u51fd\u6578\uff0c\u8b93\u7a0b\u5f0f\u53ef\u4ee5\u6307\u63ee\u8eca\u5b50\u5411\u5de6\u79fb\u52d5\u6216\u5411\u53f3\u79fb\u52d5\uff0c\u9019\u5169\u500b\u51fd\u6578\u7684\u5167\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n
def move_right(self):\n if self.pos < 4:\n self.pos += 1\n self.draw()\n\ndef move_left(self):\n if self.pos > 0:\n self.pos -= 1\n self.draw()<\/code><\/pre>\n\n\n\n\u540c\u5b78\u5011\u6709\u6c92\u6709\u767c\u73fe\uff0c\u5176\u5be6\u5b83\u5011\u7684\u4f5c\u7528\u5c31\u662f\u88ab\u547c\u53eb\u4e4b\u5f8c\uff0c\u5148\u6aa2\u67e5\u81ea\u5df1\u7684\u4f4d\u7f6e\u7684\u7bc4\u570d\u662f\u5426\u5df2\u7d93\u5230\u4e86\u5de6\u908a\u754c\u6216\u662f\u53f3\u908a\u754c\u4e86\uff0c\u5982\u679c\u9084\u6c92\u6709\u7684\u8a71\uff0c\u5c31\u4f9d\u7167\u51fd\u6578\u7684\u65b9\u5411\uff0c\u628aself.pos\u52a01\u6216\u662f\u6e1b1\u3002\u4e0d\u7ba1\u662f\u5411\u53f3\u79fb\u52d5\u6216\u662f\u5411\u5de6\u79fb\u52d5\uff0c\u56e0\u70ba\u4f4d\u7f6e\u5df2\u7d93\u6709\u6240\u6539\u8b8a\u4e86\uff0c\u56e0\u6b64\u5c31\u547c\u53ebself.draw\u51fd\u6578\u4f86\u628a\u820a\u4f4d\u7f6e\u7684\u4eae\u9ede\u522a\u9664\uff0c\u4e26\u5728\u65b0\u4f4d\u7f6e\u4e0a\u9ede\u4eaeLED\uff0c\u7a0b\u5f0f\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n
def draw(self):\r\n if self.pos != self.old:\r\n display.set_pixel(self.old, 4, 0)\r\n display.set_pixel(self.pos, 4, 9)\r\n self.old = self.pos<\/code><\/pre>\n\n\n\n\u5728\u7a0b\u5f0f\u4e2d\u5148\u6aa2\u67e5\u662f\u5426\u820a\u4f4d\u7f6e\u548c\u65b0\u4f4d\u7f6e\u771f\u7684\u6709\u6240\u4e0d\u540c\uff0c\u5982\u679c\u662f\u76f8\u540c\u7684\uff0c\u5728\u540c\u4e00\u500b\u4f4d\u7f6e\u4e0a\u7184\u6ec5\u4e00\u500bLED\u4e26\u628a\u5b83\u9ede\u4eae\u53ea\u6703\u9020\u6210\u9583\u720d\u800c\u5df2\u3002\u5982\u679c\u65b0\u820a\u4f4d\u7f6e\u662f\u4e0d\u540c\u7684\uff0c\u5c31\u53ef\u4ee5\u5148\u628a\u820a\u4f4d\u7f6e\u7684LED\u7184\u6ec5\uff0c\u5728\u65b0\u4f4d\u7f6e\u4e0a\u9ede\u4eae\u5b83\u7684LED\uff0c\u6700\u5f8c\u5728\u7b2c5\u884c\u7684\u5730\u65b9\u66f4\u65b0\u65b0\u820a\u4f4d\u7f6e\u70ba\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u6709\u4e86\u9019\u5e7e\u500b\u57fa\u672c\u51fd\u6578\uff0c\u9019\u500b\u6c7d\u8eca\u985e\u5225\u5c31\u5920\u7528\u4e86\uff0c\u4e0d\u904e\uff0c\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u9084\u591a\u63d0\u4f9b\u4e86\u4e00\u500b\u51fd\u6578\u8b93\u7a0b\u5f0f\u53ef\u4ee5\u50b3\u56de\u76ee\u524d\u6c7d\u8eca\u7684\u4f4d\u7f6e\uff0c\u65b9\u4fbf\u9664\u932f\u4e4b\u7528\uff0cget_pos\u51fd\u6578\u5982\u4e0b\uff1a<\/p>\n\n\n\n
def get_pos(self):\r\n return self.pos<\/code><\/pre>\n\n\n\n\u5728\u5b9a\u7fa9\u4e86\u6c7d\u8ecaCar\u985e\u5225\u4e4b\u5f8c\uff0c\u5982\u4f55\u4e3b\u7a0b\u5f0f\u4e2d\u4f7f\u7528\u5462\uff1f\u6211\u5011\u76f4\u63a5\u4f86\u770b\u5b8c\u6574\u7684\u7a0b\u5f0f\u4f8b\uff1a<\/p>\n\n\n\n
from microbit import *\r\n\r\nclass Car():\r\n def __init__(self, pos=2):\r\n self.pos = pos\r\n self.old = pos\r\n display.set_pixel(self.pos, 4, 9)\r\n \r\n def get_pos(self):\r\n return self.pos\r\n \r\n def draw(self):\r\n if self.pos != self.old:\r\n display.set_pixel(self.old, 4, 0)\r\n display.set_pixel(self.pos, 4, 9)\r\n self.old = self.pos\r\n\r\n def move_right(self):\r\n if self.pos < 4:\r\n self.pos += 1\r\n self.draw()\r\n \r\n def move_left(self):\r\n if self.pos > 0:\r\n self.pos -= 1\r\n self.draw()\r\n \r\nif __name__ == '__main__':\r\n car = Car(3)\r\n while True:\r\n if button_a.was_pressed():\r\n car.move_left()\r\n sleep(100)\r\n elif button_b.was_pressed():\r\n car.move_right()\r\n sleep(100)<\/code><\/pre>\n\n\n\n\u4e3b\u7a0b\u5f0f\u5f9e\u7b2c29\u884c\u958b\u59cb\uff0c\u7b2c29\u884c\u7522\u751f\u4e00\u500b\u7269\u4ef6\u7684\u57f7\u884c\u5be6\u4f8b\u53eb\u505acar\uff0c\u5b83\u7684\u9810\u8a2d\u4f4d\u7f6e\u662f\u5728\u7b2c4\u5217\u7684\u7b2c3\u884c\uff083, 4\uff09\uff0c\u5728\u9032\u5165\u7121\u7aae\u8ff4\u5708\u4e4b\u5f8c\uff0c\u7b2c31\u884c\u5075\u6e2c\u6309\u9215A\u662f\u5426\u88ab\u6309\u4e0b\u904e\uff0c\u5982\u679c\u6709\u7684\u8a71\uff0c\u5c31\u628a\u6c7d\u8eca\u5f80\u5de6\u79fb\u52d5\uff0c\u8acb\u770b\u7b2c32\u884c\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u5728\u547c\u53eb\u7269\u4ef6\u65b9\u6cd5\u51fd\u6578\u7684\u5beb\u6cd5\uff0c\u7b2c34\u884c\u5230\u7b2c36\u884c\u4e5f\u662f\u985e\u4f3c\u7684\u65b9\u5f0f\uff0c\u53ea\u4e0d\u904e\u5b83\u5075\u6e2c\u7684\u662f\u6309\u9215B\u3002<\/p>\n\n\n\n
\u540c\u5b78\u5011\u61c9\u8a72\u53ef\u4ee5\u767c\u73fe\uff0c\u6709\u4e86Car\u985e\u5225\u4e4b\u5f8c\uff0c\u5728\u4e3b\u7a0b\u5f0f\u4e2d\u5c31\u53ef\u4ee5\u900f\u904e\u7cbe\u7c21\u7684\u8a9e\u6cd5\u4f86\u57f7\u884c\u6c7d\u8eca\u7684\u52d5\u756b\u529f\u80fd\uff0c\u9019\u662f\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u6cd5\u6700\u53b2\u5bb3\u7684\u5730\u65b9\u4e4b\u4e00\u5594\u3002<\/p>\n\n\n\n
\u540c\u6a23\u4f7f\u7528\u985e\u5225\u5b9a\u7fa9\uff0c\u63a5\u4e0b\u4f86\u6211\u5011\u4f86\u770b\u770b\u98db\u5f48\u985e\u5225Missile\uff1a<\/p>\n\n\n\n
class Missile():\r\n def __init__(self, x, y):\r\n self.x = x\r\n self.y = y\r\n self.oldx = x\r\n self.oldy = y\r\n display.set_pixel(x, y, 9)\r\n \r\n def fire(self):\r\n for i in range(self.y, -1, -1):\r\n display.set_pixel(self.x, self.oldy, 0)\r\n display.set_pixel(self.x, i, 9)\r\n self.oldy = i\r\n sleep(300)\r\n display.set_pixel(self.x, self.oldy, 0)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u4e0d\u540c\u65bc\u50b3\u7d71\u7a0b\u5e8f\u5f0f\u5c0e\u5411\u7684\u7a0b\u5f0f\u8a2d\u8a08\u65b9\u5f0f\u628a\u7a0b\u5f0f\u78bc\u548c\u8981\u8655\u7406\u7684\u8cc7\u6599\u5206\u958b\u5c0d\u5f85\uff0c\u5728\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u7684\u89c0\u5ff5\u4e2d\uff0c\u662f\u4ee5\u8cc7\u6599\u70ba\u4e2d\u5fc3\u7684\u8655\u7406\u65b9\u5f0f\uff0c\u5148\u601d\u8003\u8981\u89e3\u6c7a\u7684\u554f\u984c\u9700\u8981\u54ea\u4e9b\u8cc7\u6599\u7d50\u69cb\uff0c\u63a5\u8457\u8a2d\u8a08\u8655\u7406\u9019\u500b\u8cc7\u6599\u7684\u65b9\u6cd5\uff0c\u63d0\u4f9b\u5916\u90e8\u4e00-\u500b\u4ecb\u9762\u7528\u4f86\u5b58\u53d6\u9019\u4e9b\u8cc7\u6599\uff0c\u8b93\u89e3\u6c7a\u554f\u984c\u7684\u904e\u7a0b\u66f4\u52a0\u5730\u805a\u7126\u5728\u8981\u89e3\u6c7a\u7684\u8cc7\u6599\u4e0a\u3002<\/p>\n","protected":false},"author":1,"featured_media":2480,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11,15],"tags":[],"class_list":["post-2506","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-microbit","category-python"],"jetpack_featured_media_url":"https:\/\/104.es\/wp-content\/uploads\/2023\/08\/oqtafyt5ktw.jpg","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/2506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/comments?post=2506"}],"version-history":[{"count":3,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/2506\/revisions"}],"predecessor-version":[{"id":2509,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/2506\/revisions\/2509"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/media\/2480"}],"wp:attachment":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/media?parent=2506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/categories?post=2506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/tags?post=2506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}