拼ui 一些业务逻辑x实现

2026-03-19 06:15:09 +08:00
parent f5c6f143c0
commit 49e45ac464
1118 changed files with 246518 additions and 5368 deletions
@@ -0,0 +1,54 @@
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace EasyChart.Layers
+{
+    internal static class DashedLineUtils
+    {
+        public static void DrawDashedLine(Painter2D painter, Vector2 start, Vector2 end, float dashLength, float gapLength, float offset)
+        {
+            if (painter == null) return;
+
+            Vector2 delta = end - start;
+            float len = delta.magnitude;
+            if (len <= 0.0001f) return;
+
+            float period = dashLength + gapLength;
+            if (dashLength <= 0f || gapLength < 0f || period <= 0f)
+            {
+                painter.BeginPath();
+                painter.MoveTo(start);
+                painter.LineTo(end);
+                painter.Stroke();
+                return;
+            }
+
+            Vector2 dir = delta / len;
+            float normalizedOffset = offset;
+            if (!Mathf.Approximately(period, 0f))
+            {
+                normalizedOffset = offset % period;
+                if (normalizedOffset < 0f) normalizedOffset += period;
+            }
+
+            float pos = -normalizedOffset;
+            while (pos < len)
+            {
+                float segStart = Mathf.Max(pos, 0f);
+                float segEnd = Mathf.Min(pos + dashLength, len);
+
+                if (segEnd > segStart)
+                {
+                    Vector2 a = start + dir * segStart;
+                    Vector2 b = start + dir * segEnd;
+                    painter.BeginPath();
+                    painter.MoveTo(a);
+                    painter.LineTo(b);
+                    painter.Stroke();
+                }
+
+                pos += period;
+            }
+        }
+    }
+}