simplify if block

Author: archmoj

src/plots/gl3d/scene.js

@@ -146,32 +146,28 @@ proto.tryCreatePlot = function() {
     try {
         scene.glplot = createPlot(opts);
     } catch(e) {
-        if(scene.staticMode || !firstInit) {
+        if(scene.staticMode || !firstInit || preserveDrawingBuffer) {
             success = false;
         } else { // try second time
-            if(preserveDrawingBuffer) {
+            // enable preserveDrawingBuffer setup
+            // in case is-mobile not detecting the right device
+            Lib.warn([
+                'webgl setup failed possibly due to',
+                'false preserveDrawingBuffer config.',
+                'The mobile/tablet device may not be detected by is-mobile module.',
+                'Enabling preserveDrawingBuffer in second attempt to create webgl scene...'
+            ].join(' '));
+
+            try {
+                // invert preserveDrawingBuffer
+                preserveDrawingBuffer = opts.glOptions.preserveDrawingBuffer = true;
+
+                scene.glplot = createPlot(opts);
+            } catch(e) {
+                // revert changes to preserveDrawingBuffer
+                preserveDrawingBuffer = opts.glOptions.preserveDrawingBuffer = false;
+
                 success = false;
-            } else {
-                try {
-                    // enable preserveDrawingBuffer setup
-                    // in case is-mobile not detecting the right device
-                    Lib.warn([
-                        'webgl setup failed possibly due to',
-                        'false preserveDrawingBuffer config.',
-                        'The mobile/tablet device may not be detected by is-mobile module.',
-                        'Enabling preserveDrawingBuffer in second attempt to create webgl scene...'
-                    ].join(' '));
-
-                    // invert preserveDrawingBuffer
-                    preserveDrawingBuffer = opts.glOptions.preserveDrawingBuffer = true;
-
-                    scene.glplot = createPlot(opts);
-                } catch(e) {
-                    // revert changes to preserveDrawingBuffer
-                    preserveDrawingBuffer = opts.glOptions.preserveDrawingBuffer = false;
-
-                    success = false;
-                }
             }
         }
     }