Fixed a null bug, when opt parameter is undefined

PicoCreator · PicoCreator · commit e561aa161b89 · 2016-03-13T00:00:51.000+08:00
diff --git a/src/backend/functionNode_webgl.js b/src/backend/functionNode_webgl.js
@@ -39,7 +39,7 @@ var functionNode_webgl = (function() {
 	function functionNode_webgl( inNode, _opt ) {
 		gpu = inNode.gpu;
 		opt = _opt;
-		if (opt.debug) {
+		if (opt && opt.debug) {
 			console.log(inNode);
 		}
 		jsFunctionString = inNode.jsFunctionString;

Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,7 @@ var functionNode_webgl = (function() {`
`39`	`39`	`function functionNode_webgl( inNode, _opt ) {`
`40`	`40`	`gpu = inNode.gpu;`
`41`	`41`	`opt = _opt;`
`42`		`- if (opt.debug) {`
	`42`	`+ if (opt && opt.debug) {`
`43`	`43`	`console.log(inNode);`
`44`	`44`	`}`
`45`	`45`	`jsFunctionString = inNode.jsFunctionString;`