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Assets/ModuleUnit/UnitAlgorithm/UnitAlgorithmSutureDesign.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+/// <summary>
+/// 设计的缝合线
+/// </summary>
+public class UnitAlgorithmSutureDesign : UnitAlgorithm<DataSutureSide> {
+    /// <summary> 设计的缝合线 </summary>
+    public UnitAlgorithmSutureDesign() { }
+
+    public class Line {
+        public float origin;
+        public Vector3 a;
+        public Vector3 b;
+        public Line(float origin, Vector3 a, Vector3 b) {
+            this.origin = origin;
+            this.a = a;
+            this.b = b;
+        }
+        public float Distance => Vector3.Distance(a, b);
+    }
+
+    public void Compute(DataSutureSide sutureSide) {
+        float maxLength = sutureSide.suture.length;
+        Vector3 platePosition = sutureSide.plateSide.plate.dataDesign.position;
+        List<Vector3> sidePositions = new List<Vector3>(sutureSide.plateSide.dataDesign.positions);
+
+        float length = 0;
+        List<Line> lines = new List<Line>();
+        if (sutureSide.isReversal) { sidePositions.Reverse(); }
+        for (int i = 0; i < sidePositions.Count - 1; i++) {
+            Line line = new Line(length, sidePositions[i], sidePositions[i + 1]);
+            lines.Add(line);
+            length += line.Distance;
+        }
+        List<Vector3> positions = new List<Vector3>();
+        for (int i = 0; i < lines.Count; i++) {
+            Line line = lines[i];
+            if (line.origin < maxLength) { positions.Add(line.a + platePosition); }
+            float nextDistance = line.origin + line.Distance;
+            if (nextDistance < maxLength) { continue; }
+            if (nextDistance == maxLength) { positions.Add(line.b + platePosition); break; }
+            float distance = maxLength - line.origin;
+            Vector3 direction = (line.b - line.a).normalized;
+            Vector3 position = line.a + direction * distance;
+            positions.Add(position + platePosition);
+            break;
+        }
+        sutureSide.dataDesign.positions = positions.ToArray();
+    }
+}