From bd646b495cb19a08ccac9746cb288cdc68bd017a Mon Sep 17 00:00:00 2001
From: ChenX <maple6@vip.qq.com>
Date: Mon, 29 Jan 2018 15:52:39 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E6=9B=B2=E7=BA=BF=E5=9F=BA?=
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---
 src/DatabaseServices/Curve.ts  | 2 ++
 src/DatabaseServices/Entity.ts | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/DatabaseServices/Curve.ts b/src/DatabaseServices/Curve.ts
index 25ec350cf..13ccb73e3 100644
--- a/src/DatabaseServices/Curve.ts
+++ b/src/DatabaseServices/Curve.ts
@@ -29,6 +29,8 @@ export abstract class Curve extends Entity
     GetPointAtDistance(distance: number): Vector3 { return; }
     GetDistAtParam(param: number): number { return; }
     GetDistAtPoint(pt: Vector3): number { return; }
+    GetParamAtPoint(pt: Vector3): number { return; }
+    GetParamAtDist(d: number): number { return; }
     GetFistDeriv(param: number | Vector3): number { return; }
 
     GetSplitCurves(param: number[] | number): Array<Curve> { return; }
diff --git a/src/DatabaseServices/Entity.ts b/src/DatabaseServices/Entity.ts
index 74606fafb..8cb8761fd 100644
--- a/src/DatabaseServices/Entity.ts
+++ b/src/DatabaseServices/Entity.ts
@@ -1,6 +1,6 @@
 //所有图元的基类
 import * as THREE from 'three';
-import { Matrix4 } from 'three';
+import { Matrix4, Vector3 } from 'three';
 
 import { RenderType } from '../GraphicsSystem/Enum';
 import { Factory } from './CADFactory';
@@ -86,6 +86,7 @@ export class Entity extends CADObject
     {
 
     }
+    IntersectWith(en: Entity, pts: Vector3[]) { }
 
     //#region -------------------------File-------------------------