Reverting Camera.update as how it was before (as it turned out that wasn't the...

Reverting Camera.update as how it was before (as it turned out that wasn't the problem). This needs more testing.

src/cameras/Camera.js

@@ -77,19 +77,30 @@ THREE.Camera.prototype.update = function ( parentMatrixWorld, forceUpdate, camer
 
 	} else {
 
-		if ( parentMatrixWorld ) {
+		if ( this.matrixAutoUpdate ) {
 
-			this.matrixWorld.multiply( parentMatrixWorld, this.matrix );
+			forceUpdate |= this.updateMatrix();
 
-		} else {
+		}
 
-			this.matrixWorld.copy( this.matrix );
+		if ( forceUpdate || this.matrixWorldNeedsUpdate ) {
 
-		}
+			if ( parentMatrixWorld ) {
 
-		THREE.Matrix4.makeInvert( this.matrixWorld, this.matrixWorldInverse );
+				this.matrixWorld.multiply( parentMatrixWorld, this.matrix );
 
-		forceUpdate = true;
+			} else {
+
+				this.matrixWorld.copy( this.matrix );
+
+			}
+
+			this.matrixWorldNeedsUpdate = false;
+			forceUpdate = true;
+
+			THREE.Matrix4.makeInvert( this.matrixWorld, this.matrixWorldInverse );
+
+		}
 
 	}