trying to "deblur" canvas

src/javascript/controllers/HeightMapViewController.js

@@ -78,7 +78,7 @@ class HeightMapViewController extends UIViewController {
 	}
 
 	drawHeightMap() {
-		let ctx    = this.canvas.getContext("2d");
+		let ctx    = this.canvas.getContext("2d").scale(2,2);
 		let height = this.canvas.height;
 
 		this.clear();