Added Mouse Move Shadow (wesbos#16)

Author: JeffDess

16 - Mouse Move Shadow/index-start.html

@@ -35,6 +35,29 @@ <h1 contenteditable>🔥WOAH!</h1>
   </style>
 
 <script>
+	const hero = document.querySelector('.hero');
+	const text = document.querySelector('h1');
+	const walk = 30;
+
+	function shadow(e) {
+		const { offsetWidth: width , offsetHeight: height} = hero;
+		let { offsetX: x, offsetY: y } = e;
+
+		if (this !== e.target) {
+			x = x + e.target.offsetLeft;
+			y = y + e.target.offsetTop;
+		}
+
+		const xWalk = Math.round((x / width * walk) - (walk / 2));
+		const yWalk = Math.round((y / height * walk) - (walk / 2));
+		const bWalk = Math.round(Math.abs(xWalk) + Math.abs(yWalk) / 2);
+
+		text.style.textShadow = `${xWalk}px ${yWalk}px ${bWalk}px grey`;
+
+		console.log(text.style.textShadow);
+	}
+
+	hero.addEventListener('mousemove', shadow);
 </script>
 </body>
 </html>