去掉obi，使用自写绳索

Assets/Obi/Editor/Common/Blueprints/RenderModes/ObiBlueprintRenderModeBendConstraints.cs

@@ -1,44 +0,0 @@
-using UnityEngine;
-using UnityEditor;
-using System.Collections.Generic;
-
-namespace Obi
-{
-    public class ObiBlueprintRenderModeBendConstraints : ObiBlueprintRenderMode
-    {
-        public override string name
-        {
-            get { return "Bend constraints"; }
-        }
-
-        public ObiBlueprintRenderModeBendConstraints(ObiActorBlueprintEditor editor) : base(editor)
-        {
-        }
-
-        public override void OnSceneRepaint(SceneView sceneView)
-        {
-            using (new Handles.DrawingScope(Color.magenta, Matrix4x4.identity))
-            {
-                var constraints = editor.blueprint.GetConstraintsByType(Oni.ConstraintType.Bending) as ObiConstraints<ObiBendConstraintsBatch>;
-                if (constraints != null)
-                {
-                    Vector3[] lines = new Vector3[constraints.GetActiveConstraintCount() * 2];
-                    int lineIndex = 0;
-
-                    foreach (var batch in constraints.batches)
-                    {
-                        for (int i = 0; i < batch.activeConstraintCount; ++i)
-                        {
-                            lines[lineIndex++] = editor.blueprint.GetParticlePosition(batch.particleIndices[i * 3]);
-                            lines[lineIndex++] = editor.blueprint.GetParticlePosition(batch.particleIndices[i * 3 + 1]); 
-                        }
-                    }
-
-                    Handles.DrawLines(lines);
-                }
-            } 
-             
-        }
-
-    }
-}