From 25ecf07191ab975af42d6c1ff70ded91d76f574d Mon Sep 17 00:00:00 2001
From: brunnerh <brunnerh@users.noreply.github.com>
Date: Mon, 22 Jan 2018 13:07:56 +0100
Subject: [PATCH] Made animation loop interruptible and disposable.

---
 src/renderers/WebGLRenderer.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/renderers/WebGLRenderer.js b/src/renderers/WebGLRenderer.js
index cd90d31e53..a07138f4db 100644
--- a/src/renderers/WebGLRenderer.js
+++ b/src/renderers/WebGLRenderer.js
@@ -530,6 +530,7 @@ function WebGLRenderer( parameters ) {
 
 		vr.dispose();
 
+		isAnimating = false;
 	};
 
 	// Events
@@ -1066,6 +1067,9 @@ function WebGLRenderer( parameters ) {
 
 	function loop( time ) {
 
+		if ( isAnimating === false || onAnimationFrame === null )
+			return;
+
 		if ( onAnimationFrame !== null ) onAnimationFrame( time );
 
 		var device = vr.getDevice();
-- 
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