From fc16c4a031558b2833601e0c7a77afc84392727c Mon Sep 17 00:00:00 2001
From: csandman <chris.sandvik@gmail.com>
Date: Thu, 19 Nov 2020 14:19:20 -0500
Subject: [PATCH] Add tiltChange event back into the component, along with a
 callback prop

---
 README.md    | 25 ++++++++++++++++++++++++-
 src/index.js | 20 +++++++++++++++++++-
 2 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index a029d50..d2c311a 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,16 @@ gyroscopeMaxAngleY:     45      // This is the top limit of the device angle on
 onMouseEnter:           (e) => {} // A callback function for the mouse enter event on the Tilt component
 onMouseMove:            (e) => {} // A callback function for the mouse move event on the Tilt component
 onMouseLeave:           (e) => {} // A callback function for the mouse leave event on the Tilt component
+onTiltChange:           (e) => {} // A callback function for the custom tiltChange event on the Tilt component
+                                  // e = {
+                                  //   detail: {
+                                  //     tiltX: "-4.90",
+                                  //     tiltY: "3.03",
+                                  //     percentageX: 64,
+                                  //     percentageY: 58.666,
+                                  //     angle: 121.751281
+                                  //   }
+                                  // }
 ```
 
 **Example:**
@@ -94,7 +104,7 @@ In order to add a parallax effect to the element and it's child, you must add so
 
 ### Tilt Change Event
 
-You can pass callback functions for the 3 mouse events, `onMouseEnter`, `onMouseMove`, and `onMouseLeave`. This is changed in version 2 from having to manually add en event listener to the dom elements `tiltChange` event.
+You can pass callback functions for the 3 mouse events, `onMouseEnter`, `onMouseMove`, and `onMouseLeave`. There is also a custom callback `onTiltChange` for the `tiltChange` event that is called the `Tilty` component. This is changed in version 2 from having to manually add en event listener to the dom elements `tiltChange` event, however you can still do this if you'd like.
 
 #### New Way
 
@@ -109,6 +119,19 @@ You can pass callback functions for the 3 mouse events, `onMouseEnter`, `onMouse
   onMouseLeave={(e) => {
     console.log(e);
   }}
+  onMouseLeave={(e) => {
+    console.log(e);
+  }}
+  onTiltChange={(e) => {
+    console.log(e.detail);
+    // {
+    //   tiltX: "-4.90",
+    //   tiltY: "3.03",
+    //   percentageX: 64,
+    //   percentageY: 58.666,
+    //   angle: 121.751281
+    // }
+  }}
 >
   <div>This is my content</div>
 </Tilty>
diff --git a/src/index.js b/src/index.js
index 2b1e598..299cf7e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -28,6 +28,7 @@ function Tilty({
   onMouseEnter = () => {},
   onMouseMove = () => {},
   onMouseLeave = () => {},
+  onTiltChange = () => {},
   children,
 }) {
   // VARIABLES
@@ -115,6 +116,13 @@ function Tilty({
       const tiltX = (reverseNum * (max / 2 - x * max)).toFixed(2);
       const tiltY = (reverseNum * (y * max - max / 2)).toFixed(2);
 
+      const angle =
+        Math.atan2(
+          e.nativeEvent.clientX - (left.current + width.current / 2),
+          -(e.nativeEvent.clientY - (top.current + height.current / 2))
+        ) *
+        (180 / Math.PI);
+
       const percentageX = x * 100;
       const percentageY = y * 100;
 
@@ -123,6 +131,7 @@ function Tilty({
         tiltY,
         percentageX,
         percentageY,
+        angle,
       };
     },
     [max, reverseNum]
@@ -149,9 +158,18 @@ function Tilty({
         }));
       }
 
+      // fire tiltChange event and callback
+      element.current.dispatchEvent(
+        new CustomEvent('tiltChange', {
+          detail: values,
+        })
+      );
+
+      onTiltChange({ detail: values });
+
       updateCall.current = null;
     },
-    [axis, getValues, glare, maxGlare, perspective, scale]
+    [axis, getValues, glare, maxGlare, perspective, scale, onTiltChange]
   );
 
   const setTransition = () => {