20251205

张世豪

2025-12-05 2144172c7b961d4112850692ed77b46f1ae5d373

 src/gecaoji/lujingdraw.java

ÎļþÃû´Ó src/zhuye/lujingdraw.java ÐÞ¸Ä
@@ -1,4 +1,4 @@
package zhuye; // åŒ…声明
package gecaoji; // åŒ…声明

import java.awt.BasicStroke; // å¼•å…¥åŸºç¡€æè¾¹ç±»
import java.awt.Color; // å¼•å…¥é¢œè‰²ç±»
@@ -114,7 +114,8 @@
            return; // æ— æ–¹å‘返回
        } // if结束

        double arrowLength = Math.max(2.5, 5.5 / Math.max(0.5, scale)); // è®¡ç®—箭头长度
    double arrowLength = Math.max(2.5, 5.5 / Math.max(0.5, scale)); // è®¡ç®—箭头长度
    arrowLength *= 0.5; // ç¼©å°ç®­å¤´å°ºå¯¸ä¸ºåŽŸæ¥çš„一半
        double arrowWidth = arrowLength * 0.45; // è®¡ç®—箭头宽度

        double ux = dx / length; // å•ä½å‘量X