WebVRManager: Added standingMatrix.

src/renderers/webvr/WebVRManager.js

@@ -17,6 +17,9 @@ function WebVRManager( renderer ) {
 
 	var matrixWorldInverse = new THREE.Matrix4();
 
+	var standingMatrix = new THREE.Matrix4();
+	var standingMatrixInverse = new THREE.Matrix4();
+
 	var cameraL = new THREE.PerspectiveCamera();
 	cameraL.bounds = new THREE.Vector4( 0.0, 0.0, 0.5, 1.0 );
 	cameraL.layers.enable( 1 );
@@ -59,6 +62,7 @@ function WebVRManager( renderer ) {
 	//
 
 	this.enabled = false;
+	this.standing = false;
 
 	this.getDevice = function () {
 
@@ -103,6 +107,17 @@ function WebVRManager( renderer ) {
 
 		camera.updateMatrixWorld();
 
+		var stageParameters = device.stageParameters;
+
+		if ( this.standing && stageParameters ) {
+
+			standingMatrix.fromArray( stageParameters.sittingToStandingTransform );
+			standingMatrixInverse.getInverse( standingMatrix );
+
+			camera.matrixWorld.multiply( standingMatrix );
+
+		}
+
 		if ( device.isPresenting === false ) return camera;
 
 		//
@@ -113,6 +128,13 @@ function WebVRManager( renderer ) {
 		cameraL.matrixWorldInverse.fromArray( frameData.leftViewMatrix );
 		cameraR.matrixWorldInverse.fromArray( frameData.rightViewMatrix );
 
+		if ( this.standing && stageParameters ) {
+
+			cameraL.matrixWorldInverse.multiply( standingMatrixInverse );
+			cameraR.matrixWorldInverse.multiply( standingMatrixInverse );
+
+		}
+
 		var parent = camera.parent;
 
 		if ( parent !== null ) {
@@ -158,6 +180,12 @@ function WebVRManager( renderer ) {
 
 	};
 
+	this.getStandingMatrix = function () {
+
+		return standingMatrix;
+
+	};
+
 	this.submitFrame = function () {
 
 		if ( device && device.isPresenting ) device.submitFrame();