去掉obi，使用自写绳索

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

@@ -1,63 +0,0 @@
-using UnityEngine;
-using UnityEditor;
-using System.Collections.Generic;
-
-namespace Obi
-{
-    public class ObiBlueprintRenderModeAerodynamicConstraints : ObiBlueprintRenderMode
-    {
-        public override string name
-        {
-            get { return "Aerodynamic constraints"; }
-        }
-
-        public ObiMeshBasedActorBlueprintEditor meshBasedEditor
-        {
-            get { return editor as ObiMeshBasedActorBlueprintEditor; }
-        }
-
-        public ObiBlueprintRenderModeAerodynamicConstraints(ObiMeshBasedActorBlueprintEditor editor) : base(editor)
-        {
-        }
-
-        public override void OnSceneRepaint(SceneView sceneView)
-        {
-            var meshEditor = editor as ObiMeshBasedActorBlueprintEditor;
-            if (meshEditor != null)
-            {
-                // Get per-particle normals:
-                Vector3[] normals = meshEditor.sourceMesh.normals;
-                Vector3[] particleNormals = new Vector3[meshEditor.blueprint.particleCount];
-                for (int i = 0; i < normals.Length; ++i)
-                {
-                    int welded = meshEditor.VertexToParticle(i);
-                    particleNormals[welded] = normals[i];
-                }
-
-                using (new Handles.DrawingScope(Color.blue, Matrix4x4.identity))
-                {
-                    var constraints = editor.blueprint.GetConstraintsByType(Oni.ConstraintType.Aerodynamics) as ObiConstraints<ObiAerodynamicConstraintsBatch>;
-                    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)
-                            {
-                                int particleIndex = batch.particleIndices[i];
-                                Vector3 position = editor.blueprint.GetParticlePosition(particleIndex);
-                                lines[lineIndex++] = position;
-                                lines[lineIndex++] = position + particleNormals[particleIndex] * 0.025f;
-                            }
-                        }
-
-                        Handles.DrawLines(lines);
-                    }
-                }
-            }
-        }
-
-    }
-}