From a20fee9d35612f735b9ddfb0dd6cdc930bfd1e81 Mon Sep 17 00:00:00 2001
From: Hirako <hirako2000@gmail.com>
Date: Sat, 29 Jul 2017 15:11:51 +0700
Subject: [PATCH] Adds types for Line - #297

---
 types/components/meshes/Line.d.ts  | 54 ++++++++++++++++++++++++++++++
 types/components/meshes/index.d.ts |  1 +
 types/whs-tests.ts                 | 15 ++++++++-
 3 files changed, 69 insertions(+), 1 deletion(-)
 create mode 100644 types/components/meshes/Line.d.ts

diff --git a/types/components/meshes/Line.d.ts b/types/components/meshes/Line.d.ts
new file mode 100644
index 000000000..9c7b131e6
--- /dev/null
+++ b/types/components/meshes/Line.d.ts
@@ -0,0 +1,54 @@
+import {
+  MeshComponent,
+  MeshComponentParams
+} from '../../core/MeshComponent';
+
+import {
+  BufferGeometry,
+  Geometry,
+  LineCurve3,
+  Mesh
+} from 'three';
+
+interface LineParams extends MeshComponentParams {
+
+  /** Geometry parameters */
+  geometry: {
+
+    /**
+     * A LineCurve3 representing the curve to trace as a line 
+     * @type {LineCurve3}
+     */
+    curve: LineCurve3;
+
+    /**
+     * Points is the number of pieces to divide the curve into. 
+     * Default is 50.
+     */
+    points?: number;
+  }
+
+  /** Sets whether to build a buffered geometry */
+  buffer?: boolean;
+}
+
+ export class Line extends MeshComponent {
+
+   /**
+    * @constructor Creates a Line
+    * @param params parameters
+    */
+   constructor(params?: LineParams);
+
+   /**
+    * Build lifecycle creates a mesh using input params.
+    * @param params 
+    */
+   build(params?: LineParams): Mesh;
+
+   /**
+    * Builds the geometry
+    * @param params 
+    */
+   buildGeometry(params?: LineParams): Geometry | BufferGeometry;
+}
diff --git a/types/components/meshes/index.d.ts b/types/components/meshes/index.d.ts
index 5e5d3dc58..f20cd0e8d 100644
--- a/types/components/meshes/index.d.ts
+++ b/types/components/meshes/index.d.ts
@@ -7,6 +7,7 @@ export * from './Extrude';
 export {Icosahedron} from './Icosahedron';
 export * from './Importer';
 export * from './Lathe';
+export * from './Line';
 export * from './Sphere';
 export * from './Text';
 export * from './Tetrahedron';
diff --git a/types/whs-tests.ts b/types/whs-tests.ts
index 5b68f5856..12a931b89 100644
--- a/types/whs-tests.ts
+++ b/types/whs-tests.ts
@@ -4,8 +4,10 @@ import {
   Mesh,
   MeshStandardMaterial,
   JSONLoader,
+  LineCurve3,
   Shape,
-  Vector2
+  Vector2,
+  Vector3
 } from 'three';
 
 import {
@@ -26,6 +28,7 @@ import {
   Icosahedron,
   Importer,
   Lathe,
+  Line,
   OrthographicCamera,
   PerspectiveCamera,
   Sphere
@@ -195,6 +198,16 @@ const lathe = new Lathe({
 });
 lathe.addTo(app);
 
+const line = new Line({
+  geometry: {
+    curve: new LineCurve3(new Vector3(0, 0, 0), new Vector3(10, 0, 0)),
+    points: 5
+  },
+
+  buffer: true
+});
+line.addTo(app);
+
 // Cameras
 
 const cubeCamera = new CubeCamera({