Add sample spline curves to extrude_splines.html menu

examples/webgl_geometry_extrude_splines.html

@@ -366,7 +366,7 @@
     var normal = new THREE.Vector3();
 
 
-    var PipeSpline = new THREE.SplineCurve3([
+    var pipeSpline = new THREE.SplineCurve3([
         new THREE.Vector3(0, 10, -10), new THREE.Vector3(10, 0, -10), new THREE.Vector3(20, 0, 0), new THREE.Vector3(30, 0, 10), new THREE.Vector3(30, 0, 20), new THREE.Vector3(20, 0, 30), new THREE.Vector3(10, 0, 30), new THREE.Vector3(0, 0, 30), new THREE.Vector3(-10, 10, 30), new THREE.Vector3(-10, 20, 30), new THREE.Vector3(0, 30, 30), new THREE.Vector3(10, 30, 30), new THREE.Vector3(20, 30, 15), new THREE.Vector3(10, 30, 10), new THREE.Vector3(0, 30, 10), new THREE.Vector3(-10, 20, 10), new THREE.Vector3(-10, 10, 10), new THREE.Vector3(0, 0, 10), new THREE.Vector3(10, -10, 10), new THREE.Vector3(20, -15, 10), new THREE.Vector3(30, -15, 10), new THREE.Vector3(40, -15, 10), new THREE.Vector3(50, -15, 10), new THREE.Vector3(60, 0, 10), new THREE.Vector3(70, 0, 0), new THREE.Vector3(80, 0, 0), new THREE.Vector3(90, 0, 0), new THREE.Vector3(100, 0, 0)]);
 
     var sampleClosedSpline = new THREE.ClosedSplineCurve3([
@@ -390,7 +390,9 @@
       DecoratedTorusKnot4a: new THREE.Curves.DecoratedTorusKnot4a(),
       DecoratedTorusKnot4b: new THREE.Curves.DecoratedTorusKnot4b(),
       DecoratedTorusKnot5a: new THREE.Curves.DecoratedTorusKnot5a(),
-      DecoratedTorusKnot5c: new THREE.Curves.DecoratedTorusKnot5c()
+      DecoratedTorusKnot5c: new THREE.Curves.DecoratedTorusKnot5c(),
+      PipeSpline: pipeSpline,
+      SampleClosedSpline: sampleClosedSpline
     };