Merge pull request #762 from jonobr1/761-skia-canvas

Fix constructor to match Skia Canvas spec

src/two.js

@@ -250,7 +250,10 @@ export default class Two {
       _.extend(this.renderer.domElement.style, {
         display: 'block',
       });
-    } else if (!_.isElement(params.domElement)) {
+    } else if (
+      typeof params.width === 'number' &&
+      typeof params.height === 'number'
+    ) {
       this.renderer.setSize(params.width, params.height, this.ratio);
       this.width = params.width;
       this.height = params.height;