Finished wesbos#16

Author: smchenrybc

16 - Mouse Move Shadow/index-start.html

@@ -12,7 +12,7 @@ <h1 contenteditable>🔥WOAH!</h1>
 
   <style>
   html {
-    color:black;
+    color:#444;
     font-family: sans-serif;
   }
 
@@ -25,16 +25,51 @@ <h1 contenteditable>🔥WOAH!</h1>
     display:flex;
     justify-content: center;
     align-items: center;
-    color:black;
+    color:#444;
   }
 
   h1 {
-    text-shadow: 10px 10px 0 rgba(0,0,0,1);
+    text-shadow: 10px 10px 0 rgba(0,0,0,.3);
     font-size: 100px;
   }
   </style>
 
 <script>
+  const hero = document.querySelector('.hero');
+  const text = hero.querySelector('h1');
+  const walk = 150;
+
+  function shadow(e) {
+    // console.log(e);
+
+    // const width = hero.offsetWidth;
+    // const height = hero.offsetHeight;
+
+    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;
+    }
+
+    // console.log(x, y);
+
+    // rather than going from 0 to 100,
+    // go from -50 to +50.
+    const xWalk = Math.round((x / width * walk) - (walk / 2));
+    const yWalk = Math.round((y / height * walk) - (walk / 2));
+
+    text.style.textShadow = `
+      ${xWalk}px ${yWalk}px 0 hsla(0, 100%, 0%, 0.3),
+      ${xWalk * -1}px ${yWalk}px 0 hsla(255, 100%, 50%, 0.8),
+      ${xWalk}px ${yWalk * -1}px 0 hsla(50, 100%, 50%, 0.8),
+      ${xWalk * -1}px ${yWalk * -1}px 0 hsla(10, 100%, 50%, 0.8)
+    `;
+  }
+
+  hero.addEventListener('mousemove', shadow);
 </script>
+
 </body>
 </html>