Receive blend shapes as an array in a "well known" order.

polyfill/XRFaceAnchor.js

@@ -4,8 +4,66 @@ import XRAnchor from './XRAnchor.js'
 XRFaceAnchor represents a face anchor
 */
 export default class XRFaceAnchor extends XRAnchor {
-    constructor(coordinateSystem, uid=null, geometry) {
+    constructor(coordinateSystem, uid=null, geometry, blendShapeArray) {
         super(coordinateSystem, uid)
         this.geometry = geometry
+        this.blendShapes = {}
+        for (let i = 0; i < blendShapeNames.length; i++) {
+            this.blendShapes[blendShapeNames[i]] = blendShapeArray[i]
+        }
     }
-}
+}
+
+const blendShapeNames = [
+    "browDownLeft",
+    "browDownRight",
+    "browInnerUp",
+    "browOuterUpLeft",
+    "browOuterUpRight",
+    "cheekPuff",
+    "cheekSquintLeft",
+    "cheekSquintRight",
+    "eyeBlinkLeft",
+    "eyeBlinkRight",
+    "eyeLookDownLeft",
+    "eyeLookDownRight",
+    "eyeLookInLeft",
+    "eyeLookInRight",
+    "eyeLookOutLeft",
+    "eyeLookOutRight",
+    "eyeLookUpLeft",
+    "eyeLookUpRight",
+    "eyeSquintLeft",
+    "eyeSquintRight",
+    "eyeWideLeft",
+    "eyeWideRight",
+    "jawForward",
+    "jawLeft",
+    "jawOpen",
+    "jawRight",
+    "mouthClose",
+    "mouthDimpleLeft",
+    "mouthDimpleRight",
+    "mouthFrownLeft",
+    "mouthFrownRight",
+    "mouthFunnel",
+    "mouthLeft",
+    "mouthLowerDownLeft",
+    "mouthLowerDownRight",
+    "mouthPressLeft",
+    "mouthPressRight",
+    "mouthPucker",
+    "mouthRight",
+    "mouthRollLower",
+    "mouthRollUpper",
+    "mouthShrugLower",
+    "mouthShrugUpper",
+    "mouthSmileLeft",
+    "mouthSmileRight",
+    "mouthStretchLeft",
+    "mouthStretchRight",
+    "mouthUpperUpLeft",
+    "mouthUpperUpRight",
+    "noseSneerLeft",
+    "noseSneerRight"
+]

polyfill/display/FlatDisplay.js

@@ -138,7 +138,7 @@ export default class FlatDisplay extends XRDisplay {
                     anchorObject.geometry)
       				break
             case ARKitWrapper.ANCHOR_TYPE_FACE:
-            	anchor = new XRFaceAnchor(coordinateSystem, anchorObject.uuid, anchorObject.geometry)
+            	anchor = new XRFaceAnchor(coordinateSystem, anchorObject.uuid, anchorObject.geometry, anchorObject.blendShapes)
             	break
             case ARKitWrapper.ANCHOR_TYPE_ANCHOR:
             	anchor = new XRAnchor(coordinateSystem, anchorObject.uuid)