added bug workaround instructions for mobile

views/index.ejs

@@ -40,6 +40,9 @@
 					<button id='t_noise'>Set texture to noise</button>
 					<button id='t_fox'>Set texture to fox</button>
 				</div>
+				<div class='ui-block'>
+					<p>If you're on mobile, you need to set the shader to texture to change object, then you can change the shader</p>
+				</div>
 			</div>
 		</div>
 		<script src="js/bundle.js"></script>