.

src/javascript/controllers/HeightMapViewController.js

@@ -123,7 +123,7 @@ class HeightMapViewController extends UIViewController {
 			if (!this.drag)
 				return;
 			let delta = event.changedTouches[0].clientX - this.lastX;
-			if (this.translated + delta > 0 || (this.translated + delta) < (this.heightmapWidth - 40 + this.canvas.width))
+			if (this.translated + delta > 0)
 				return;
 			this.clear();
 			this.translated += delta;