增加rope线模式

Assets/Scripts/ThirdParty/Rope/Rope.cs

@@ -75,6 +75,21 @@ namespace NBF
 
         [Tooltip("绳子使用的阴影投射模式")] public ShadowCastingMode shadowMode = ShadowCastingMode.On;
 
+        [System.Serializable]
+        public struct RenderingSettings
+        {
+            [Tooltip("使用简单线渲染而非完整网格渲染。适用于细绳如鱼线，性能更好。")]
+            public bool useSimpleLineRenderer;
+        
+            [Tooltip("简单线渲染的宽度。")]
+            public float simpleLineWidth;
+        }
+
+        [Space] public RenderingSettings rendering = new RenderingSettings()
+        {
+            useSimpleLineRenderer = false,
+            simpleLineWidth = 0.02f
+        };
 
         // public CustomMeshSettings customMesh = new CustomMeshSettings()
         // {
@@ -142,6 +157,7 @@ namespace NBF
             solverIterations = 2,
         };
 
+        
         [System.Serializable]
         public struct CollisionSettings
         {
@@ -197,6 +213,8 @@ namespace NBF
             public ParticleTarget target;
         }
 
+        // 添加LineRenderer组件引用
+        protected LineRenderer lineRenderer;
         protected bool initialized;
         protected bool computingSimulationFrame;
         protected bool simulationDisabledPrevFrame;
@@ -268,6 +286,7 @@ namespace NBF
         {
             simulation.resolution = Mathf.Max(0.01f, simulation.resolution);
             simulation.massPerMeter = Mathf.Max(0.01f, simulation.massPerMeter);
+            rendering.simpleLineWidth = Mathf.Max(0.001f, rendering.simpleLineWidth);
         }
 
         /// <summary>
@@ -774,6 +793,23 @@ namespace NBF
                 return false;
             }
 
+            if (rendering.useSimpleLineRenderer)
+            {
+                lineRenderer = gameObject.GetComponent<LineRenderer>();
+                if (lineRenderer == null)
+                {
+                    lineRenderer = gameObject.AddComponent<LineRenderer>();
+                }
+        
+                lineRenderer.useWorldSpace = true;
+                lineRenderer.loop = isLoop;
+                lineRenderer.widthMultiplier = rendering.simpleLineWidth;
+                lineRenderer.material = material;
+                lineRenderer.shadowCastingMode = shadowMode;
+                lineRenderer.receiveShadows = false;
+                lineRenderer.alignment = LineAlignment.View;
+            }
+            
             // 状态
             ComputeRealCurve(Allocator.Persistent, out _measurements, out positions);
 
@@ -1329,16 +1365,30 @@ namespace NBF
             }
 
             Profiler.BeginSample(nameof(SubmitToRenderer));
-            
-            // 默认绳子圆柱体
-            if (simulation.enabled)
+            if (rendering.useSimpleLineRenderer)
             {
-                mesh.SetVertices(vertices);
-                mesh.SetNormals(normals);
-                mesh.RecalculateBounds();
+                // 使用简单线渲染
+                if (lineRenderer != null && simulation.enabled)
+                {
+                    lineRenderer.positionCount = positions.Length;
+                    for (int i = 0; i < positions.Length; i++)
+                    {
+                        lineRenderer.SetPosition(i, positions[i]);
+                    }
+                }
             }
+            else
+            {
+                // 默认绳子圆柱体
+                if (simulation.enabled)
+                {
+                    mesh.SetVertices(vertices);
+                    mesh.SetNormals(normals);
+                    mesh.RecalculateBounds();
+                }
 
-            Graphics.DrawMesh(mesh, Matrix4x4.identity, material, gameObject.layer, null, 0, null, shadowMode);
+                Graphics.DrawMesh(mesh, Matrix4x4.identity, material, gameObject.layer, null, 0, null, shadowMode);
+            }
 
             Profiler.EndSample();
         }